Q_Id int64 337 49.3M | CreationDate stringlengths 23 23 | Users Score int64 -42 1.15k | Other int64 0 1 | Python Basics and Environment int64 0 1 | System Administration and DevOps int64 0 1 | Tags stringlengths 6 105 | A_Id int64 518 72.5M | AnswerCount int64 1 64 | is_accepted bool 2
classes | Web Development int64 0 1 | GUI and Desktop Applications int64 0 1 | Answer stringlengths 6 11.6k | Available Count int64 1 31 | Q_Score int64 0 6.79k | Data Science and Machine Learning int64 0 1 | Question stringlengths 15 29k | Title stringlengths 11 150 | Score float64 -1 1.2 | Database and SQL int64 0 1 | Networking and APIs int64 0 1 | ViewCount int64 8 6.81M |
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38,378,578 | 2016-07-14T15:40:00.000 | 0 | 1 | 0 | 0 | python,linux,vlc,libvlc | 38,379,334 | 1 | false | 0 | 0 | First, make sure you only have one copy of libvlc and that it's current.
You can see what options VLC is using to play the file by clicking the "show more options" in the "Open Media" dialog. | 1 | 1 | 0 | I'm creating a python script that plays mp3/cdg karaoke files. I can open these files and they play with no problems when using the standalone VLC gui, however when I use the python libvlc library to open them, they play for a few frames then stop while the audio continues.
I'm almost certain that this is is because th... | Video plays in VLC gui but not when using python libvlc | 0 | 0 | 0 | 251 |
38,385,630 | 2016-07-14T23:13:00.000 | 0 | 0 | 1 | 1 | python-3.x,gdbm | 70,973,357 | 1 | false | 0 | 0 | I got similar issue though I am not sure which platform you are using.
Steps are:
look for file _gdbm.cpython-"python version"-.so example file: _gdbm.cpython-39-darwin.so
Once you find the path check which python version in directory path.
Try creating same python venv.
Execute your code.
Before this make sure you h... | 1 | 5 | 0 | In the Python 3 docs, it states that the dbm module will use gdbm if it's installed. In my script I use from dbm.gnu import open as dbm_open to try and import the module. It always returns with the exception ImportError: No module named '_gdbm'. I've gone to the gnu website and have downloaded the latest version. I ins... | Python: How to Install gdbm for dbm.gnu | 0 | 1 | 0 | 2,327 |
38,386,154 | 2016-07-15T00:28:00.000 | 11 | 0 | 1 | 0 | python,intellij-idea | 44,640,387 | 1 | false | 0 | 0 | Go to Settings | Editor | Inspections | PEP 8 Coding Style Violations and add E111 to the "Ignore Errors" list. | 1 | 7 | 0 | I have set my PEP8 indentation to 2 in IntelliJ. However, I still get the PEP8 indentation warning as not being of length 4. I went to 'Setting -> Editor -> Python ' and turned off the indentation warning. However, the inspector still continues to give me warnings. | PEP8 indentation warning in IntelliJ | 1 | 0 | 0 | 2,114 |
38,387,676 | 2016-07-15T04:03:00.000 | 0 | 0 | 0 | 1 | python,macos,subprocess,osx-elcapitan | 38,387,870 | 3 | false | 0 | 0 | Thank you everyone for the quick replies. I have been playing with the subprocess module, and I have gotten this to work:import subprocess
m=subprocess.Popen(["say","hello"])
print(m)
The .Popen command is also a quick way to get this to work. However, this is only working on my Mac and I need it to work on my Raspber... | 1 | 0 | 0 | While Mac OSX 10.11.5 (El Capitan) has the "say" command to speak in a system generated voice, or so to say, is there any command that is similar for Python that can be used in Python? If Subprocess is utilized, please explain on how to use that. | While Mac OSX has the say command to speak, or so to say, is there any command that is similar for Python? | 0 | 0 | 0 | 449 |
38,388,799 | 2016-07-15T05:57:00.000 | 1 | 0 | 0 | 0 | python,list,python-2.7,sorting | 38,389,853 | 3 | false | 0 | 0 | you can use string.split()，string.split(',')[1] | 1 | 5 | 1 | Overview: I have data something like this (each row is a string):
81:0A:D7:19:25:7B, 2016-07-14 14:29:13, 2016-07-14 14:29:15, -69, 22:22:22:22:22:23,null,^M
3B:3F:B9:0A:83:E6, 2016-07-14 01:28:59, 2016-07-14 01:29:01, -36, 33:33:33:33:33:31,null,^M
B3:C0:6E:77:E5:31, 2016-07-14 08:26:45, 2016-07-14 08:26:47, -65, 33:... | Sort A list of Strings Based on certain field | 0.066568 | 1 | 0 | 358 |
38,399,901 | 2016-07-15T15:28:00.000 | 1 | 0 | 0 | 0 | python,networking,operating-system,share,listdir | 38,400,861 | 1 | false | 0 | 0 | I'm silly. I figured it out. I just took the target of the Local_Reports folder and wrote os.listdir(r"\\03vs-cmpt04\Local_Reports"). This just searched the network for the folder and listed the correct output: [Daemons, Reports, SQL] | 1 | 1 | 0 | I have a network shared folder with file path :C\\Local_Reports. I would like to use os.listdir(":C\\Local_Reports"), but the output is ['desktop.ini', 'target.lnk']. This is not the correct output obviously. The correct output would be [Daemons, Reports, SQL]. How do I successfully access this? | listdir of a network shared folder in Python | 0.197375 | 0 | 1 | 792 |
38,400,918 | 2016-07-15T16:23:00.000 | 2 | 1 | 1 | 0 | java,python,oop | 38,400,988 | 1 | false | 0 | 0 | The short answer is yes and no.
One of the key differences I see in Python compared to Java and C# is that in Python, functions don't have to be in a class. In fact, operations don't even have to be in a function.
Java and C# both have two main rules:
All code must be in a class.
Operations are generally required to b... | 1 | 0 | 0 | My background in programming is mostly Java. It was the first language I learned, and the language I spent the most amount of time with (I then moved on to C# for a little, and eventually C in school). A while back I tried dabbling with Python, and it seemed so different to me (based on my experience with Java). Anyway... | Do classes in Python work the same way as classes in Java? | 0.379949 | 0 | 0 | 57 |
38,401,090 | 2016-07-15T16:33:00.000 | 0 | 1 | 0 | 0 | python,amazon-web-services,aws-lambda,continuous-deployment | 38,442,640 | 1 | false | 1 | 0 | No, there is no way to accomplish this. Your Lambda function is always provisioned as a whole from the latest zipped package you provide (or S3 bucket/key if you choose that method). | 1 | 0 | 0 | I am new to AWS Lambda, I have phantomjs application to run there.
There is a python script of 5 kb and phantomjs binary which makes the whole uploadable zip to 32MB.
And I have to upload this bunch all the time. Is there any way of pushing phantomjs binary to AWS lambda /bin folder separately ? | Does AWS Lambda allows to upload binaries separately to avoid re-upload | 0 | 0 | 0 | 345 |
38,402,995 | 2016-07-15T18:33:00.000 | 5 | 0 | 0 | 0 | python,pandas,dataframe,amazon-redshift,psycopg2 | 42,047,026 | 7 | false | 0 | 0 | Assuming you have access to S3, this approach should work:
Step 1: Write the DataFrame as a csv to S3 (I use AWS SDK boto3 for this)
Step 2: You know the columns, datatypes, and key/index for your Redshift table from your DataFrame, so you should be able to generate a create table script and push it to Redshift to crea... | 1 | 32 | 1 | I have a dataframe in Python. Can I write this data to Redshift as a new table?
I have successfully created a db connection to Redshift and am able to execute simple sql queries.
Now I need to write a dataframe to it. | How to write data to Redshift that is a result of a dataframe created in Python? | 0.141893 | 1 | 0 | 57,271 |
38,405,109 | 2016-07-15T21:13:00.000 | 0 | 1 | 1 | 0 | python,pytest,python-module | 38,405,572 | 1 | false | 0 | 0 | Ok, the problem was simply that the cwd is prepended to the PYTHONPATH. sys.path.pop(1) (0 is the tests dir, prepended by pytest) resolved the behavior. | 1 | 0 | 0 | This may seem like a simple question, but I haven't found an answer that explains the behavior I'm seeing. Hard to provide a simple repro case but I basically have a package structure like this:
a.b.c
a.b.utils
I have one project that has files in a.b.c. (let's call this aux_project) and another that has files in a.b.d... | How are python module paths translated to filesystem paths? | 0 | 0 | 0 | 17 |
38,405,345 | 2016-07-15T21:36:00.000 | 7 | 0 | 1 | 0 | python,jupyter-notebook | 38,405,533 | 1 | true | 0 | 0 | The only way I can see to do it would be to join the cells, and then put the entire thing in a for/while loop. | 1 | 10 | 0 | I've got a Jupyter Notebook with a couple hundred lines of code in it, spread across about 30 cells. If I want to loop through 10 cells in the middle (e.g. using a For Loop), how do you do that? Is it even possible, or do you need to merge all the code in your loop into one cell? | How to loop through multiple cells in Jupyter / iPython Notebook | 1.2 | 0 | 0 | 18,735 |
38,405,454 | 2016-07-15T21:48:00.000 | 1 | 0 | 1 | 0 | python,performance,intel,python-multiprocessing,intel-mkl | 38,405,541 | 1 | true | 0 | 0 | In Spyder menu choose Preferences then click console and click to Advanced settings tab. From there choose the Python interpreter, which came with Intel Distribution. | 1 | 0 | 0 | I've just installed the new Intel Distribution for Python because I need some performance improvements with my Skull Canyon NUC, but I don't understand how to use all the packages/modules modified by Intel.
I usually use Anaconda Spyder as my main IDE, how can I "tell" to Spyder to not use the Anaconda standard/include... | Intel Distribution for Python and Spyder IDE | 1.2 | 0 | 0 | 892 |
38,405,633 | 2016-07-15T22:06:00.000 | 1 | 0 | 1 | 0 | python,python-3.x | 38,405,691 | 2 | false | 0 | 0 | A dictionary would work. datetime objects can be used as dictionary keys, and can be compared against one another in ranges. | 1 | 3 | 0 | I have some objects whicha re associated with dates. I would like to be able to get objects for a given date range, as well as for a single date.
What is the best data structure in python to do this?
I believe in some languages this would be achieved using a 'Curve'. | What is the best data structure to store objects indexed by date? | 0.099668 | 0 | 0 | 782 |
38,412,298 | 2016-07-16T14:45:00.000 | 1 | 0 | 0 | 0 | xml,python-2.7,xslt,pdf-generation,xsl-fo | 38,413,882 | 2 | false | 1 | 0 | XSL FO requires a formatting engine to create print output like PDF from XSL FO input. Freely available one is Apache FOP. There are several other commercial products also. I know of no XSL FO engines written in Python though some have Python interfaces. | 1 | 1 | 0 | Is there a simple way to get a PDF from a xml with an xsl-fo?
I would like to do it in python.
I know how to do an html from an xml&xsl, but I haven't find a code example to get a PDF.
Thanks | xml + xslfo to PDF python | 0.099668 | 0 | 1 | 1,430 |
38,413,099 | 2016-07-16T16:19:00.000 | 3 | 0 | 0 | 0 | python,django,migration,squash | 38,413,258 | 1 | true | 1 | 0 | If you don't have any important data in your test or production databases your can use fresh initial migration and it will be appropriate solution.
I've used this trick a lot of times and it works for me.
A few thoughts:
sometimes, first you need to create migrations for one of your local application and then for all ... | 1 | 1 | 0 | I have an app with 35 migrations which take a while to run (for instance before tests), so I would like to squash them.
The squashmigrations command reduces the operations from 99 to 88, but it is still far from optimal. This is probably due to the fact that I have multiple RunPython operations preventing Django from o... | Using a fresh initial migration to squash migrations | 1.2 | 0 | 0 | 459 |
38,415,774 | 2016-07-16T21:25:00.000 | 86 | 0 | 1 | 0 | python,matplotlib,ipython,axis,figure | 38,433,583 | 2 | false | 0 | 0 | plt.gcf() to get current figure
plt.gca() to get current axis | 1 | 37 | 1 | I want to add more fine grained grid on a plotted graph. The problem is all of the examples require access to the axis object.
I want to add specific grid to already plotted graph (from inside ipython).
How do I gain access to the current figure and axis in ipython ? | ipython : get access to current figure() | 1 | 0 | 0 | 55,702 |
38,416,381 | 2016-07-16T22:56:00.000 | 0 | 0 | 0 | 0 | python,sympy,logical-operators | 38,424,476 | 2 | false | 0 | 0 | If you use the operators &, |, and ~ for and, or, and not, respectively, you will get a symbolic boolean expression. I also recommend using sympy.true and sympy.false instead of 1 and 0. | 2 | 1 | 1 | I am using Sympy to process randomly generated expressions which may contain the boolean operators 'and', 'or', and 'not'.
'and' and 'or' work well:
a = 0
b = 1
a and b
0
a or b
1
But 'not' introduces a 2nd term 'False' in addition to the desired value:
a, not b
(0, False)
When processed by Sympy (where 'data' (b... | Need to disable Sympy output of 'False' (0, False) in logical operator 'not' | 0 | 0 | 0 | 35 |
38,416,381 | 2016-07-16T22:56:00.000 | 1 | 0 | 0 | 0 | python,sympy,logical-operators | 38,416,665 | 2 | false | 0 | 0 | a, not b doesn't do what you think it does. You are actually asking for, and correctly receiving, a tuple of two items containing:
a
not b
As the result shows, a is 0 and not b is False, 1 being truthy and the not of truthy being False.
The fact that a happens to be the same value as the result you want doesn't mean ... | 2 | 1 | 1 | I am using Sympy to process randomly generated expressions which may contain the boolean operators 'and', 'or', and 'not'.
'and' and 'or' work well:
a = 0
b = 1
a and b
0
a or b
1
But 'not' introduces a 2nd term 'False' in addition to the desired value:
a, not b
(0, False)
When processed by Sympy (where 'data' (b... | Need to disable Sympy output of 'False' (0, False) in logical operator 'not' | 0.099668 | 0 | 0 | 35 |
38,416,671 | 2016-07-16T23:53:00.000 | 1 | 0 | 1 | 0 | python,code-injection | 38,416,692 | 1 | true | 0 | 0 | This depends entirely on what you do with the input from the webform. In normal use the form gets encoded as x-www-form-urlencoded or json -- Both formats which can be deserialized into a python dictionary completely safely. Of course, they could be deserialized in unsafe ways too -- Make sure that you use libraries ... | 1 | 3 | 0 | I've been doing some penetration testing on my own site and have been doing a lot of research on common vulnerabilities.
SQL injection comes up a lot but I was wondering, could there possibly be such a thing as python injection? Say for example that a web form submitted a value that was entered in a dictionary in some ... | Python Injection - is there such a thing? | 1.2 | 0 | 0 | 6,700 |
38,418,140 | 2016-07-17T05:18:00.000 | 0 | 1 | 0 | 0 | javascript,python,html,raspberry-pi2 | 38,418,381 | 1 | false | 1 | 0 | I can suggest a way to handle that situation but I'm not sure how much will it suit for your scenario.
Since you are trying to use a wifi network, I think it would be better if you can use a sql server to store commands you need to give to the vehicle to follow from the web interface sequentially. Make the vehicle to r... | 1 | 0 | 0 | For a college project I'm tasked with getting a Raspberry Pi to control an RC car over WiFi, the best way to do this would be through a web interface for the sake of accessibility (one of the key reqs for the module). However I keep hitting walls, I can make a python script control the car, however doing this through a... | How do I control a python script through a web interface? | 0 | 0 | 1 | 229 |
38,419,528 | 2016-07-17T08:57:00.000 | 1 | 0 | 0 | 0 | php,python,web-scraping | 38,419,736 | 3 | false | 1 | 0 | Ethics
Using a bot to get at the content of sites can be beneficial to you and the site you're scraping. You can use the data to refer to content of the site, like search engines do. Sometimes you might want to provide a service to user that the original website doesn't offer.
However, sometimes scraping is used for n... | 1 | 0 | 0 | This is my first attempt at scraping. There is a website with a search function that I would like to use.
When I do a search, the search details aren't shown in the website url. When I inspect the element and look at the Network tab, the request url stays the same (method:post), but when I looked at the bottom, in the... | Web-scraping advice/suggestions | 0.066568 | 0 | 1 | 167 |
38,419,662 | 2016-07-17T09:14:00.000 | 2 | 0 | 0 | 0 | python,gtk3,pygobject | 38,427,465 | 2 | false | 0 | 1 | Gtk.Fixed doesn't support setting the z-order. It's not meant for overlapping widgets, so the z-order is arbitrary and probably depends on what order the widgets were added in.
It's not clear from your question what your intention is; if you are purposely overlapping widgets, use Gtk.Overlay instead. If you are not int... | 2 | 1 | 0 | I'm using Gtk.Fixed and a viewport putting images that, sometimes, overlaps. How can I set the z-index like in html? | PyGObject: Gtk.Fixed Z-order | 0.197375 | 0 | 0 | 611 |
38,419,662 | 2016-07-17T09:14:00.000 | 1 | 0 | 0 | 0 | python,gtk3,pygobject | 38,430,240 | 2 | true | 0 | 1 | Like ptomato said, I had to use the Gtk.Overlay. I used an overlay with 3 Gtk.Layout, like layers and it works fine. | 2 | 1 | 0 | I'm using Gtk.Fixed and a viewport putting images that, sometimes, overlaps. How can I set the z-index like in html? | PyGObject: Gtk.Fixed Z-order | 1.2 | 0 | 0 | 611 |
38,423,926 | 2016-07-17T17:19:00.000 | 0 | 0 | 1 | 0 | python,python-3.x,dictionary,memory | 38,423,989 | 1 | false | 0 | 0 | I think that the only way of doing that is using IPC. You can do that using sockets, PIPES. And for all these methods you have to serialise them with pickle or json. If the dictionary is big it can take several seconds.
If you don't want to do that you should have some kind of shared memory. Multiprocessing allows tha... | 1 | 2 | 0 | I have two separate python processes running on a linux server, p1 and p2, how to read a dict of p1 from p2 ?
Two processes are independent, so I can't use multiprocessing based approach, and because of slow performance, I don't want to use socket communication or file based approach.
my python version is 3.5.1 | How to share a dict among separate python processes? | 0 | 0 | 0 | 338 |
38,424,826 | 2016-07-17T18:55:00.000 | 0 | 0 | 1 | 0 | python,module,modular | 38,424,845 | 1 | false | 0 | 0 | How do I overcome this error?
Every file that wants to use a certain module has to import that module.
If I have to reimport the module from within camClass.py,
Yes, you do.
where do I do it? In the init function? Or just at the top of the script?
At the top of the module is the standard place. (Modules do not ha... | 1 | 0 | 0 | So I'm making a modular program for a security system in python, but I can't access modules I've imported in main.py from other scripts.
That is, say I have main.py that imports the random module.
I use import camClass to import a script containing an object class from camClass.py in the same directory. When I try to u... | Access to imports made from separate files in python? | 0 | 0 | 0 | 42 |
38,426,349 | 2016-07-17T22:01:00.000 | 4 | 0 | 0 | 0 | python,numpy,linear-algebra,orthogonal | 47,932,683 | 7 | false | 0 | 0 | if you want a none Square Matrix with orthonormal column vectors you could create a square one with any of the mentioned method and drop some columns. | 1 | 30 | 1 | Is there a method that I can call to create a random orthonormal matrix in python? Possibly using numpy? Or is there a way to create a orthonormal matrix using multiple numpy methods? Thanks. | How to create random orthonormal matrix in python numpy | 0.113791 | 0 | 0 | 28,284 |
38,429,271 | 2016-07-18T05:38:00.000 | 0 | 0 | 1 | 0 | python,flask,psutil | 38,521,678 | 1 | false | 1 | 0 | For future need, I found a way to this. Using ElasticSearch and Psutil.
I indexed the psutil values to elasticsearch then used the date-range and date-histogram aggs.
Thanks! | 1 | 0 | 0 | I'm currently writing a web application using Flask in python that generates the linux/nix performances(CPU, Disk Usage, Memory Usage). I already implemented the python library psutil.
My question is how can I get the values of each util with date ranges. For example: Last 3 hours of CPU, Disk Usage, Memory usage.
Sorr... | Python/Flask : psutil date ranges | 0 | 0 | 0 | 172 |
38,431,782 | 2016-07-18T08:20:00.000 | 0 | 0 | 0 | 0 | python,python-3.x,openmdao | 38,446,190 | 2 | false | 0 | 0 | Worked for me after updating to 1.7.1 via pip on Fedora v20. The command with conventional naming is:
view_tree(top) | 1 | 1 | 0 | Is openmdao GUI available on 1.7.0 version? And if yes, how to run it? I have found, how to run the GUI on the 0.10.7 version, but it doesn't work on the 1.7. | Running openmdao 1.7.0 GUI | 0 | 0 | 0 | 287 |
38,432,336 | 2016-07-18T08:51:00.000 | 1 | 0 | 0 | 1 | python,pipe,subprocess,buffer | 38,433,285 | 1 | false | 0 | 0 | Answering to your questions:
No, it will not be stored in memory. The child process will stuck on write operation after exceeding pipe-max-size limit (cat /proc/sys/fs/pipe-max-size);
The child process will write about 1M before it will stuck, until the parent process read block of data. After this child process will ... | 1 | 0 | 0 | I've the below piece of code to read data from a child process as its generated and write to a file.
from subprocess import Popen, PIPE
proc = Popen('..some_shell_command..', shell=True, stdout=PIPE)
fd = open("/tmp/procout", "wb")
while True:
data = proc.stdout.read(1024)
if len(data) == 0:
break
... | python subprocess pipe unbuffered behaviour | 0.197375 | 0 | 0 | 546 |
38,433,102 | 2016-07-18T09:26:00.000 | 1 | 0 | 0 | 0 | python-2.7,robotframework | 46,287,269 | 1 | true | 0 | 0 | You could use the keyword of wait until keyword succeedsand just keep repeating the next keyword you want to use until the download is done. Or you could set the implicit wait time to be higher so the webdriver waits for an implicit amount of time before it executes another keyword. | 1 | 0 | 0 | In a test case is used the keyword sleep 2s
and this is obviously too slow, so i would like to replace with the wait keyword.
Thing is, that it is used for a download. So the user downloads a file and then is used the sleep 2s in order to give some time to the Robot Framework to complete the download.
But I cannot use ... | Replace sleep with wait keyword on RobotFramework | 1.2 | 0 | 1 | 5,431 |
38,433,584 | 2016-07-18T09:49:00.000 | 3 | 0 | 0 | 0 | python,matplotlib | 38,433,637 | 3 | true | 0 | 0 | Assuming you know where the curve begins, you can just use:
plt.plot((x1, x2), (y1, y2), 'r-') to draw the line from the point (x1, y1) to the point (x2, y2)
Here in your case, x1 and x2 will be same, only y1 and y2 should change, as it is a straight vertical line that you want. | 1 | 1 | 1 | I have a curve of some data that I am plotting using matplotlib. The small value x-range of the data consists entirely of NaN values, so that my curve starts abruptly at some value of x>>0 (which is not necessarily the same value for different data sets I have). I would like to place a vertical dashed line where the ... | Python - Plotting vertical line | 1.2 | 0 | 0 | 4,256 |
38,436,215 | 2016-07-18T12:01:00.000 | 12 | 0 | 1 | 0 | ipython,ipython-notebook,jupyter-notebook | 38,519,000 | 2 | false | 0 | 0 | The short answer is in a couple of ways, the slightly longer answer is Yes - but you might not get what you expect!
Really long answer: The explanation is that when you are working in a notebook, now called a jupyter notebook of course, your work is stored in a series of cells each of which has one or more lines of cod... | 1 | 12 | 0 | I was using iPython command line interface and after some operations I want to save my operation history to a notebook file. But I was not using iPython notebook from the beginning. Can I still make it? | Can I save ipython command line history to a notebook file? | 1 | 0 | 0 | 6,666 |
38,439,493 | 2016-07-18T14:36:00.000 | 1 | 0 | 1 | 1 | python,filepath | 38,439,753 | 2 | true | 0 | 0 | If you are running from Project folder, set a variable(PRJ_PATH) to os.getcwd() and use it for opening the file like open(os.path.join(PRJ_PATH, 'data', 'data.txt'))
If you are running from subdirectories, set a variable(PRJ_PATH) to os.path.join(os.getcwd(), '..') and then use it for opening the file like open(os.path... | 2 | 0 | 0 | I have a project folder, PythonProject.
Within that Project folder I have a 2 subdirectories: SubDirectory & DataSubDirectory.
Within SubDirectory, I have a python file, TestFile.py which opens an external file, datafile.txt, contained in DataSubDirectory.
Currently, I open this file as such; open(..\\DataSubDirector... | Set a Subdirectory's File's Working Path Relative to A Parent Directory in Python | 1.2 | 0 | 0 | 192 |
38,439,493 | 2016-07-18T14:36:00.000 | 0 | 0 | 1 | 1 | python,filepath | 38,439,755 | 2 | false | 0 | 0 | You can use PythonProject = os.path.dirname(os.path.realpath(sys.argv[0])) to set the PythonProject Path | 2 | 0 | 0 | I have a project folder, PythonProject.
Within that Project folder I have a 2 subdirectories: SubDirectory & DataSubDirectory.
Within SubDirectory, I have a python file, TestFile.py which opens an external file, datafile.txt, contained in DataSubDirectory.
Currently, I open this file as such; open(..\\DataSubDirector... | Set a Subdirectory's File's Working Path Relative to A Parent Directory in Python | 0 | 0 | 0 | 192 |
38,440,916 | 2016-07-18T15:43:00.000 | 1 | 0 | 1 | 1 | python,compression,gzip,tar,gzipstream | 38,442,022 | 2 | false | 0 | 0 | A gzipped tar archive is not an archive of compressed files. It is a compressed archive of files. In contrast, a zip archive is an archive of compressed files.
An archive of compressed files is a better archive format, if you want to be able to extract (or update) individual files. But it is an inferior compression tec... | 1 | 0 | 0 | I have a group of about 10 gzipped files that I would like to archive into a single file in order for a user to download. I am wondering what the best approach to this would be.
Gunzip everything, then tar-gz the complete set of files into a myfiles.tar.gz?
Tar the set of gz files into a myfiles.tar.
Option 1 seems ... | Archiving a group of gzipped files | 0.099668 | 0 | 0 | 147 |
38,442,104 | 2016-07-18T16:50:00.000 | 1 | 0 | 1 | 1 | python,macos | 38,447,997 | 2 | false | 0 | 0 | Don't! The name /Library and /System suggest that they are OS-level directories. Nobody installed them. Instead, Mac and other linux-based systems use them by default for system-level services (and they should not be even manually upgraded or system stability may suffer).
For all what matters, you should just prepend y... | 2 | 0 | 0 | I installed python using MacPort and I am satisfied with the result, but found that there are other versions of Python installed in other directories, and can not remember how they were instaldas, it's been five years that use this notebook and perhaps installed by other means a few years.
I tried to remove all referen... | Remove old Python Installation in MAC OS | 0.099668 | 0 | 0 | 1,355 |
38,442,104 | 2016-07-18T16:50:00.000 | 1 | 0 | 1 | 1 | python,macos | 38,442,289 | 2 | true | 0 | 0 | Don't remove the system Pythons. They may be used by other programs. (I don't know if anything on OS X actually uses them, but it's best to keep them.)
Instead, just make sure that your MacPorts bin directory (at /opt/local/bin) is first on your $PATH. | 2 | 0 | 0 | I installed python using MacPort and I am satisfied with the result, but found that there are other versions of Python installed in other directories, and can not remember how they were instaldas, it's been five years that use this notebook and perhaps installed by other means a few years.
I tried to remove all referen... | Remove old Python Installation in MAC OS | 1.2 | 0 | 0 | 1,355 |
38,442,161 | 2016-07-18T16:53:00.000 | 2 | 0 | 0 | 0 | python,lda,gensim,topic-modeling | 38,469,723 | 2 | false | 0 | 0 | Like the documentation says, there is no natural ordering between topics in LDA. If you have your own criterion for ordering the topics, such as frequency of appearance, you can always retrieve the entire list of topics from your model and sort them yourself.
However, even the notion of "top ten most frequent topics" ... | 1 | 0 | 1 | In the official explanation, there is no natural ordering between the topics in LDA.
As for the method show_topics(), if it returned num_topics <= self.num_topics subset of all topics is therefore arbitrary and may change between two LDA training runs.
But I tends to find the top ten frequent topics of corpus. Is there... | How to print top ten topics using Gensim? | 0.197375 | 0 | 0 | 836 |
38,446,706 | 2016-07-18T22:05:00.000 | 2 | 0 | 0 | 0 | python,tensorflow,protocol-buffers,tensorboard | 38,447,138 | 1 | false | 0 | 0 | Overall, there isn't first class support for your use case in TensorFlow, so I would parse the merged summaries back into a tf.Summary() protocol buffer, and then filter / print data as you see fit.
If you come up with a nice pattern, you could then merge it back into TensorFlow itself. I could imagine making this an ... | 1 | 2 | 1 | Tensorflow's scalar/histogram/image_summary functions are very useful for logging data for viewing with tensorboard. But I'd like that information printed to the console as well (e.g. if I'm a crazy person without a desktop environment).
Currently, I'm adding the information of interest to the fetch list before callin... | Print out summaries in console | 0.379949 | 0 | 0 | 1,812 |
38,447,361 | 2016-07-18T23:21:00.000 | 0 | 0 | 1 | 0 | python,windows,sockets,python-3.x | 38,458,160 | 2 | false | 0 | 0 | I'm not sure why:
You're using socket.share and
You think it would improve performance.
You say that you're already threading. A web server is going to be IO bound. Most of your time will be spent:
negotiating a TCP/IP connection between client and server
finding the information on disk (memory? Sweet, faster!)
read... | 1 | 2 | 0 | I'm writing a file cache server to hold copies of static files for a web server. Whenever a thread in the web server needs a static file, it opens a socket connection to the cache server and sends it the result of socket.share() + the name of the file it wants. The cache server uses the result of socket.share to gain a... | Can I reuse a socket file handle with socket.fromshare? | 0 | 0 | 1 | 543 |
38,453,730 | 2016-07-19T08:52:00.000 | 4 | 0 | 0 | 0 | python,session,login,form-submit,pyramid | 38,453,860 | 1 | false | 1 | 0 | I recommend you to pass a parameter like login/?next=pageA.html
If the login fails, you could then forward your parameter next to /login again, even if the referrer points now to /login.
Then when the user will successfully log in, you could redirect if to pageA.html that will be held in your next parameter.
You will i... | 1 | 3 | 0 | I'm adding authentication to an existing pyramid project. The simplest form that I'm currently trying (will be expending later) is for all pages to raise HTTPForbidden. The exception view is /login, which will ask for login details and, on success, return HTTPFound with request.referer as the location.
So far so good, ... | How to keep request.referer value from redirect after a failed login | 0.664037 | 0 | 0 | 611 |
38,459,234 | 2016-07-19T12:55:00.000 | 0 | 0 | 0 | 0 | python | 38,460,641 | 1 | false | 0 | 0 | As it turns out, the data is not stored in the Glueviz session file, but rather loaded fresh each time the saved session is opened from the original data source file.
Hence the solution is simple: Replace the data source file with a new file (of the same type) in with the updated data.
The updated data file must ha... | 1 | 1 | 1 | I am using Glueviz 0.7.2 as part of the Anaconda package, on OSX. Glueviz is a data visualization and exploration tool.
I am regularly regenerating an updated version of the same data set from an external model, then importing that data set into Glueviz.
Currently I can not find a way to have Glueviz refresh or updat... | Python Glueviz - is there a way to replace ie update the imported data | 0 | 0 | 0 | 464 |
38,463,258 | 2016-07-19T15:52:00.000 | 7 | 0 | 0 | 0 | python,openpyxl,xlrd,xlwt,xlutils | 38,463,454 | 2 | true | 0 | 0 | This is not possible because XLSX files are zip archives and cannot be modified in place. In theory it might be possible to edit only a part of the archive that makes up an OOXML package but, in practice this is almost impossible because relevant data may be spread across different files. | 1 | 1 | 0 | I have an Excel file(xlsx) that already has lots of data in it. Now I am trying to use Python to write new data into this Excel file. I looked at xlwt, xldd, xlutils, and openpyxl, all of these modules requires you to load the data of my excel sheet, then apply changes and save to a new Excel file. Is there any way to ... | Modifying and writing data in an existing excel file using Python | 1.2 | 1 | 0 | 5,172 |
38,467,133 | 2016-07-19T19:40:00.000 | 0 | 0 | 1 | 0 | javascript,python,c,variables | 38,467,357 | 2 | false | 0 | 0 | Computers have gotten so staggeringly powerful that shorter or longer variable names make very little to no difference. But poorly named variables and functions, in any language, can cost a whole lot more money and waste way more time than any perceived performance hit you might take from using a longer name. The extra... | 1 | 2 | 0 | It seems to me that C programs should tend to have longer variable names, since the names will be destroyed by the compiler and won't make any difference to the performance or binary size of an optimized executable. I don't understand why in fact the opposite happens, in newer, interpreted languages where the name of t... | Variable name length in C vs newer languages | 0 | 0 | 0 | 237 |
38,468,052 | 2016-07-19T20:36:00.000 | 1 | 0 | 1 | 0 | python,math,statistics,average,mean | 38,468,131 | 1 | false | 0 | 0 | This is not possible to formulaicly solve in the general case. If you let the number of items of A, B, and C be a, b, and c, respectively, this situation gives you the equations:
a + b + c = 27
160.17*a + 162.06 * b + 140* c = 27 * 156.95
This is two equations, but you are trying to solve for three variables. If you... | 1 | 0 | 0 | I am trying to work out the n for three categories from the mean average and total number. I basically have the below:
Price n
A 160.17 ?
B 162.06 ?
C 140 ?
Total n: 27
Avg price: 156.95
For this one it comes out as A - 3, B - 18, C - 6. I basically found this out by trial and error but was won... | Reverse estimating 3 numbers from mean and n | 0.197375 | 0 | 0 | 42 |
38,468,540 | 2016-07-19T21:07:00.000 | 4 | 0 | 0 | 0 | javascript,python | 38,468,623 | 3 | false | 1 | 0 | If you are using only javascript and don't feel like a framework is the solution, you'd better rewrite your python script using javascript. These two languages have a lot in common and most of the stuff are transferable. Calling python from javascript would most likely not going to work that great. Again, unless you sh... | 2 | 2 | 0 | I'm wondering if there's a good way for me to incorporate Python scripts into my current website.
I have a personal website & my own server that I have been working with for a while. So far it's just been html / css / javascript. I have made a Python script in the past that uses another website's API to retrieve somet... | How can I incorporate Python scripts into my website? Do I need a framework? | 0.26052 | 0 | 0 | 184 |
38,468,540 | 2016-07-19T21:07:00.000 | 2 | 0 | 0 | 0 | javascript,python | 38,468,783 | 3 | false | 1 | 0 | I completly agree with you about Django, but I think you can give a chance to Flask, it is really light and I can be used for many porpouses. Anyway if you want to call a python scripts you need a way to call it. I think you need a "listener" for the script for example a service or a web service (for this reason I thin... | 2 | 2 | 0 | I'm wondering if there's a good way for me to incorporate Python scripts into my current website.
I have a personal website & my own server that I have been working with for a while. So far it's just been html / css / javascript. I have made a Python script in the past that uses another website's API to retrieve somet... | How can I incorporate Python scripts into my website? Do I need a framework? | 0.132549 | 0 | 0 | 184 |
38,474,210 | 2016-07-20T06:50:00.000 | 0 | 0 | 0 | 0 | python,python-2.7,python-3.x,subprocess | 38,478,933 | 2 | false | 0 | 0 | This worked for me:
os.system("rm umengchannel_316_豌豆荚") | 1 | 0 | 0 | I've got a file named umengchannel_316_豌豆荚 I want to delete this file..
I tried the following: os.remove(), os.unlink() , shutil.move() but nothing seems to work..
Are there any other approaches to this problem? | How to delete a file with invalid name using python? | 0 | 0 | 0 | 85 |
38,476,379 | 2016-07-20T08:41:00.000 | 2 | 0 | 1 | 0 | python,intellij-idea,pycharm,conda | 38,732,023 | 1 | true | 0 | 0 | You ned to change your Project Interpreter to point to $CONDA_PREFIX/bin/python where $CONDA_PREFIX is the location of your conda env. The $CONDA_PREFIX environment location you're looking for should be in the second column of the output from conda info --envs. | 1 | 1 | 0 | I am using Python with Conda to manage my environment and libraries. Does anyone know how to get IntelliJ (with the Python plugin) or PyCharm to add the libraries in my Conda environment to my project?
It only pulls in site packages even when I select ~/anaconda/bin/python as my Python Interpreter. | How can I get IntelliJ to index libraries in my Python Conda environment? | 1.2 | 0 | 0 | 563 |
38,480,595 | 2016-07-20T11:54:00.000 | 1 | 0 | 1 | 0 | python,pycharm,exit | 38,529,814 | 2 | false | 0 | 0 | Solved it using a really bad workaround. I used all functions that are related to exit in Python, including SIG* functions, but uniquely, I did not find a way to catch the exit signal when Python program is being stopped by pressing the "Stop" button in PyCharm application. Finally got a workaround by using tkinter to ... | 1 | 1 | 0 | Basically I am writing a script that can be stopped and resumed at any time. So if the user uses, say PyCharm console to execute the program, he can just click on the stop button whenever he wants.
Now, I need to save some variables and let an ongoing function finish before terminating. What functions do I use for thi... | Wait and complete processes when Python script is stopped from PyCharm console? | 0.099668 | 0 | 0 | 639 |
38,480,676 | 2016-07-20T11:58:00.000 | 0 | 0 | 0 | 0 | user-interface,qpython | 67,756,714 | 1 | false | 0 | 1 | you can use we app gui or qsla4AApp, i recomended to use qsla4AApp | 1 | 0 | 0 | What module must I use and where is the documentation for it? I think it is possible because I could to make a GUI using mobile basic on Nokia. | How to make GUI using QPython 3? | 0 | 0 | 0 | 3,521 |
38,483,026 | 2016-07-20T13:43:00.000 | 1 | 0 | 0 | 0 | python,flask,flask-login | 65,905,459 | 3 | false | 1 | 0 | I need to make this clear.
This is the reason why you shoud use request_loader with flask_login.
There will be a lot of @login_required from flask_login used in your api to guard the request access.
You need to make a request to pass the check of auth.
And there will be a lot of current_user imported from flask_login,
... | 1 | 11 | 0 | I apologize in advance for asking a rather cryptic question. However, I did not understand it despite going through a lot of material. It would be great if you could shed some light on this.
What is the purpose of a request_loader in flask-login? How does it interact with the user_loader decorator?
If I am using a ... | How is Flask-Login's request_loader related to user_loader? | 0.066568 | 0 | 0 | 7,541 |
38,484,452 | 2016-07-20T14:44:00.000 | 2 | 0 | 0 | 0 | python,qt,pyqt,pyside | 38,486,018 | 2 | true | 0 | 1 | In Qt Document:
void QTableWidget::itemChanged(QTableWidgetItem * item)
This signal is emitted whenever the data of item has changed.
Hope this will help you.
Edit:
QTableWidget uses a default itemdelegate(QItemDelegate instance) which has createEditor method and closeEditor signal.
You can reimplement createEditor whi... | 1 | 2 | 0 | I'm writing an app in Python with the PySide library. I have a QTableWidget that gets updated about every second. The thing is, I want to be able to change the data manually, and I thought that if I could find out whether or not the user is changing the data in the cell, then I could just prevent the program from updat... | How to tell when a QTableWidgetItem is being modified | 1.2 | 0 | 0 | 1,437 |
38,484,950 | 2016-07-20T15:39:00.000 | 1 | 0 | 1 | 0 | python | 38,485,086 | 1 | true | 0 | 0 | Why not just use (datetime.now() + timedelta(days=7)).isocalendar()[1] rather than calculating it from the current week number at all? | 1 | 0 | 0 | I am writing a script to grab files from a directory based on the week number in the filenames. I need to grab files with week N and week N+1 in the filenames.
I have the basics down, but am now struggling to figure out the rollover for new years (the file format uses the isocalendar standard). Isocalendars can hav... | Calculate Number of Last Week in Isocalendar Year | 1.2 | 0 | 0 | 247 |
38,485,373 | 2016-07-20T15:58:00.000 | 4 | 0 | 0 | 1 | bash,python-3.x,terminal | 38,485,489 | 3 | false | 0 | 0 | execute the following command.
which python3 and check the exit status of the command $?. it will be 0 if user has python 3 installed, 1 otherwise. | 1 | 24 | 0 | I am writing a shell script, and before the script runs I want to verify that the user has Python 3 installed. Does anyone know or have any ideas of how I could check that, and the output be a boolean value? | From the terminal verify if python 3 is installed | 0.26052 | 0 | 0 | 34,436 |
38,488,977 | 2016-07-20T19:12:00.000 | 1 | 0 | 0 | 1 | python,docker,errbot | 38,557,886 | 1 | true | 1 | 0 | I think the best if you run Errbot in a container is to run it with a real database for the persistence (redis for example).
Then you can simply run backup.py from anywhere (including your dev machine).
Even better, you can just do a backup of your redis directly. | 1 | 2 | 0 | I'm running errbot in a docker container, we did the !backup and we have the backup.py, but when i start the docker container it just run /app/venv/bin/run.sh
but i cannot pass -r /srv/backup.py to have all my data restored.
any ideas?
all the data is safe since the /srv is a mounted volume | how can i restore the backup.py plugin data of errbot running in a docker container | 1.2 | 0 | 0 | 75 |
38,490,811 | 2016-07-20T21:03:00.000 | 1 | 0 | 0 | 0 | python,tensorflow,neural-network,recurrent-neural-network,lstm | 38,638,969 | 2 | false | 0 | 0 | However, I couldn't find anything about horizontal LSTM cells, in which the output of one cell is the input of another.
This is the definition of recurrence. All RNNs do this. | 2 | 1 | 1 | I am pretty new to the whole neural network scene, and I was just going through a couple of tutorials on LSTM cells, specifically, tensorflow.
In the tutorial, they have an object tf.nn.rnn_cell.MultiRNNCell, which from my understanding, is a vertical layering of LSTM cells, similar to layering convolutional networks. ... | Horizontally layering LSTM cells | 0.099668 | 0 | 0 | 301 |
38,490,811 | 2016-07-20T21:03:00.000 | 0 | 0 | 0 | 0 | python,tensorflow,neural-network,recurrent-neural-network,lstm | 71,838,557 | 2 | false | 0 | 0 | Horizontally stacked is useless in any case I can think of. A common confusion is that there are multiple cells (with different parameters) due to the visualization of the process within an RNN.
RNNs loop over themselves so for every input they generate new input for the cell itself. So they use the same weights over a... | 2 | 1 | 1 | I am pretty new to the whole neural network scene, and I was just going through a couple of tutorials on LSTM cells, specifically, tensorflow.
In the tutorial, they have an object tf.nn.rnn_cell.MultiRNNCell, which from my understanding, is a vertical layering of LSTM cells, similar to layering convolutional networks. ... | Horizontally layering LSTM cells | 0 | 0 | 0 | 301 |
38,490,946 | 2016-07-20T21:13:00.000 | 11 | 0 | 1 | 1 | python,pyspark,jupyter,jupyter-notebook | 38,510,399 | 1 | true | 1 | 0 | The PYSPARK_DRIVER_PYTHON variable is set to start ipython/jupyter automatically (probably as intended.) Run unset PYSPARK_DRIVER_PYTHON and then try pyspark again.
If you wish this to be the default, you'll probably need to modify your profile scripts. | 1 | 2 | 0 | I have run into an issue with spark-submit , throws an error is not a Jupyter Command i.e, pyspark launches a web ui instead of pyspark shell
Background info:
Installed Scala , Spark using brew on MAC
Installed Conda Python 3.5
Spark commands work on Jupyter Notebook
'pyspark' on terminal launches notebook instead of... | Pyspark command in terminal launches Jupyter notebook | 1.2 | 0 | 0 | 3,753 |
38,491,463 | 2016-07-20T21:51:00.000 | 2 | 1 | 0 | 0 | python-2.7,amazon-web-services,aws-lambda,boto3 | 38,494,011 | 1 | true | 0 | 0 | When you are working with the AWS EC2 SDK, you are only working in a single region.
So by calling client.describe_images(), you are already filtered to a single region. All AMI images returned in the result are in that same region.
To get all AMI images in all regions, then you need to iterate across all regions, calli... | 1 | 0 | 0 | Im trying to get all Ami images using below code using python 2.7 in AWS lambda
result = client.describe_images(
Owners=[
'self'
]
)
Im able to get the ami images but not able to get in which region its created...i would like to filter images based on region.Please suggest | get AWS region for describeImages | 1.2 | 0 | 0 | 330 |
38,491,716 | 2016-07-20T22:11:00.000 | 0 | 0 | 0 | 1 | python,python-2.7,hadoop,hadoop-streaming | 38,517,426 | 1 | true | 0 | 0 | Use regular expressions:
inputfile/* - will work for 1 level of sub directories
inputfile/*/* - will work for 2 level of sub directories
Run As:
hadoop jar /usr/hdp/2.3.2.0-2950/hadoop-mapreduce/hadoop-streaming.jar -mapper "python wordcount_mapper.py" -file wordcount_mapper.py -input inputfile/* -output outputfile... | 1 | 0 | 0 | I have written a mapper program in python for hadoop Map-Reduce framework.
And I am executing it through the command:
hadoop jar /usr/hdp/2.3.2.0-2950/hadoop-mapreduce/hadoop-streaming.jar -mapper "python wordcount_mapper.py" -file wordcount_mapper.py -input inputfile -output outputfile3
It is working properly if the ... | What will be the Hadoop Streaming Run Command to access the files in the Sub Directory | 1.2 | 0 | 0 | 136 |
38,493,057 | 2016-07-21T00:44:00.000 | 10 | 0 | 0 | 0 | python,django,python-3.x,django-admin | 38,493,996 | 3 | true | 1 | 0 | Activate virtualenv and install Django there (with python -m pip install django). Try python -m django startproject mysite. You can use python -m django instead of django-admin since Django 1.9. | 1 | 6 | 0 | I have been trying to set up Django for Python 3 for for 2 days now. I have installed python 3.5.2 on my Mac Mini. I have also have pip3 installed succesfully. I have installed Django using pip3 install Django. The problem is that when I try to start my project by typing django-admin startproject mysite, I get the erro... | Getting Django for Python 3 Started for Mac django-admin not working | 1.2 | 0 | 0 | 6,001 |
38,493,144 | 2016-07-21T00:53:00.000 | 0 | 0 | 1 | 0 | python,windows,python-2.7 | 38,493,199 | 1 | false | 0 | 0 | You're using the wrong path, Pip should reside in the Scripts sub directory, set PATH to C:\Python27\Scripts then you should restart cmd. | 1 | 0 | 0 | I've been having some really odd issues with trying to install and use the Python "Pip" module. Firstly, I've installed the pip module by downloading the getpip.py file and running it which has replaced my pre existing pip which seemed to work fine. However whenever I try to use pip it always comes up with "pip is not ... | Python 2.7 Pip module not installing or setting paths via cmd? | 0 | 0 | 0 | 362 |
38,493,608 | 2016-07-21T01:54:00.000 | 0 | 0 | 1 | 0 | python,python-2.7,numpy,anaconda | 38,503,517 | 1 | false | 0 | 0 | The anaconda package in the AUR is broken. If anyone encounters this, simply install anaconda from their website. The AUR attempts to do a system-wide install, which gets rather screwy with the path. | 1 | 0 | 1 | I recently installed Anaconda on Arch Linux from the Arch repositories. By default, it was set to Python3, whereas I would like to use Python2.7. I followed the Anaconda documentation to create a new Python2 environment. Upon running my Python script which uses Numpy, I got the error No module named NumPy. I found this... | Python Anaconda - no module named numpy | 0 | 0 | 0 | 1,790 |
38,494,736 | 2016-07-21T04:10:00.000 | 0 | 1 | 1 | 0 | python,audio | 47,418,314 | 2 | false | 0 | 0 | The problem here is that music has structure, while the sounds you want to find may have different signatures. Using the door as an example, the weight, size and material of the door alone will influence the types of acoustic signatures it will produce. If you want to search by similarity, a bag-of-features approach ma... | 1 | 0 | 0 | What I wanna do is just like 'Shazam' or 'SoundHound' with Python, only sound version, not music.
For example, when I make sound(e.g door slam), find the most similar sound data in the sound list.
I don't know you can understand that because my English is bad, but just imagine the sound version of 'Shazam'.
I know that... | Get sound input & Find similar sound with Python | 0 | 0 | 0 | 2,228 |
38,496,026 | 2016-07-21T06:01:00.000 | 0 | 1 | 1 | 0 | python,python-2.7,pdf,text,converter | 70,157,888 | 2 | false | 0 | 0 | You can use "tabula" python library. which basically uses Java though so you have to install Java SDK and JDK.
"pip install tabula"
and import it to the python script then you can convert pdf to txt file as:
tabula.convert_into("path_or_name_of_pdf.pdf", "output.txt", output_format="csv", pages='all')
You can see other... | 1 | 3 | 0 | I've been on it for several days + researching the internet on how to get specific information from a pdf file.
Eventually I was able to fetch all information using Python from a text file(which I created by going to the PDF file -----> File ------> Save as Text).
The question is how do I get Python to accomplish those... | Converting a PDF file to a Text file in Python | 0 | 0 | 0 | 3,865 |
38,498,290 | 2016-07-21T07:56:00.000 | 0 | 0 | 0 | 0 | python,mysql,relational-database,semantic-web,ontology | 38,534,519 | 2 | false | 0 | 0 | Use the right tool for the job. You're using RDF, that it's OWL axioms is immaterial, and you want to store and query it. Use an RDF database. They're optimized for storing and querying RDF. It's a waste of your time to homegrow storage & query in MySQL when other folks have already figured out how best to do this.
As ... | 1 | 1 | 0 | I already have an owl ontology which contains classes, instances and object properties. How can I map them to a relational data base such as MYSQL using a Python as a programming language(I prefer Python) ?
For example, an ontology can contains the classes: "Country and city" and instances like: "United states and NYC... | How can I map an ontology components to a relational database? | 0 | 1 | 0 | 1,036 |
38,510,502 | 2016-07-21T17:16:00.000 | 0 | 0 | 1 | 0 | python-3.x,anaconda,jupyter,jupyter-notebook,conda | 38,616,822 | 2 | false | 0 | 0 | I tried to change Python [Root] to Python [Root-test] but it did not work for me. But I found in here that just typing conda create -n py35 python=3.5 ipykernel in the cmd line worked. | 1 | 1 | 0 | When I try to create a new notebook in jupyter, the drop down menu shows Python[root] instead of Python[3]. Why is this? Is this problematic? I'm using Python 3.5.2. | Why does jupyter display python[root]? | 0 | 0 | 0 | 1,550 |
38,510,964 | 2016-07-21T17:44:00.000 | 2 | 0 | 1 | 0 | python | 38,510,997 | 3 | false | 0 | 0 | Yes. These are equivalent. The rules used by if are the same as those used by bool. not simply inverts these values without changing the logic for determining truthiness or falseness. | 1 | 5 | 0 | For a small testing framework we are writing I'm trying to provide some utility functions.
One of them is supposed to be equivalent to if x: but if that is completely equivallent to if bool(x) is True: then I could only provide one function to check if x is True: and if x:.
Is the negation of that also equivalent? if b... | Is `if x:` completely equivalent to `if bool(x) is True:`? | 0.132549 | 0 | 0 | 127 |
38,515,096 | 2016-07-21T22:03:00.000 | 0 | 0 | 0 | 1 | python-3.x,numpy,pyspark,google-cloud-platform,gcp | 38,572,975 | 1 | false | 0 | 0 | Not sure if this qualifies as a solution. I submitted the same job using dataproc on google platform and it worked without any problem. I believe the best way to run jobs on google cluster is via the utilities offered on google platform. The dataproc utility seems to iron out any issues related to the environment. | 1 | 0 | 1 | This code runs perfect when I set master to localhost. The problem occurs when I submit on a cluster with two worker nodes.
All the machines have same version of python and packages. I have also set the path to point to the desired python version i.e. 3.5.1. when I submit my spark job on the master ssh session. I get ... | module error in multi-node spark job on google cloud cluster | 0 | 0 | 0 | 206 |
38,515,700 | 2016-07-21T23:01:00.000 | 0 | 0 | 0 | 0 | python,authentication,terminal,onenote,onenote-api | 38,515,902 | 2 | false | 1 | 0 | If this is always with the same account - you can make the "browser opening and password typing" a one time setup process. Once you've authenticated, you have the "access token" and the "refresh token". You can keep using the access token for ~1hr. Once it expires, you can use the "refresh token" to exchange it for an ... | 1 | 2 | 0 | I want to create a python script that will allow me to upload files to OneNote via command line. I have it working perfectly and it authenticates fine. However, everytime it goes to authenticate, it has to open a browser window. (This is because authentication tokens only last an hour with OneNote, and it has to use a ... | How Do I Authenticate OneNote Without Opening Browser? | 0 | 0 | 1 | 505 |
38,517,032 | 2016-07-22T01:59:00.000 | 0 | 0 | 0 | 0 | python,django,class,authentication,request | 38,517,140 | 2 | false | 1 | 0 | I dont know whats the context of your ClassBasedView ... but you can use the LoginRequiredMixin to require the login before calling your class :
class ServerDeleteView(LoginRequiredMixin, DeleteView):
model = Server
success_url = reverse_lazy('ui:dashboard') | 1 | 0 | 0 | Ok, have a class based view that passes a query_set into my AssignedToMe class. The point of this class based view is to see if a user is logged in and if they are, they can go to a page and it will display all of records that are assigned to their ID. Currently, it is working how I want it to but only if a user is log... | Class Based View to get user authentication in Django | 0 | 0 | 0 | 523 |
38,517,334 | 2016-07-22T02:43:00.000 | 2 | 0 | 0 | 0 | python,pandas,global | 38,517,371 | 1 | true | 0 | 0 | Yes. Instead of using globals, you should wrap your data into an object and pass that object around to your functions instead (see dependency injection).
Wrapping it in an object instead of using a global will :
Allow you to unit test your code. This is absolutely the most important reason. Using globals will make it ... | 1 | 1 | 1 | I have a program that i load millions of rows into dataframes, and i declare them as global so my functions (>50) can all use them like i use a database in the past. I read that using globals are a bad, and due to the memory mapping for it, it is slower to use globals.
I like to ask if globals are bad, how would the ... | Global dataframes - good or bad | 1.2 | 0 | 0 | 151 |
38,518,000 | 2016-07-22T04:09:00.000 | 0 | 0 | 0 | 0 | python,pandas,dataframe,import,sas | 38,518,356 | 1 | false | 0 | 0 | I don't know how python stores dates, but SAS stores dates as numbers, counting the number of days from Jan 1, 1960. Using that you should be able to convert it in python to a date variable somehow.
I'm fairly certain that when data is imported to python the formats aren't honoured so in this case it's easy to work aro... | 1 | 0 | 1 | I have imported a SAS dataset in python dataframe using Pandas read_sas(path)
function. REPORT_MONTH is a column in sas dataset defined and saved as DATE9. format. This field is imported as float64 datatype in dataframe and having numbers which is basically a sas internal numbers for storing a date in a sas dataset. N... | Date field in SAS imported in Python pandas Dataframe | 0 | 0 | 0 | 398 |
38,518,227 | 2016-07-22T04:33:00.000 | 1 | 0 | 0 | 0 | python,excel,dashboard | 38,520,493 | 1 | false | 0 | 0 | If the "dashboard" is in Excel and if it contains charts that refer to data in the current workbook's worksheets, then the charts will update automatically when the data is refreshed, unless the workbook calculation mode is set to "manual". By default calculation mode is set to "automatic", so changes in data will imme... | 1 | 0 | 0 | I need to create a dashboard based upon an excel table and I know excel has a feature for creating dashboards. I have seen tutorials on how to do it and have done my research, but in my case, the excel table on which the dashboard would be based is updated every 2 minutes by a python script. My question is, does the da... | Can Excel Dashboards update automatically? | 0.197375 | 1 | 0 | 1,488 |
38,521,380 | 2016-07-22T08:09:00.000 | 0 | 0 | 0 | 0 | python,openerp,openerp-7 | 38,689,879 | 1 | false | 1 | 0 | Yes it is possible by using status bar.
In order for you to compute the percentage of sales order, you should determine how much is the quota for each sale order. | 1 | 0 | 0 | Is it possible to have easily the percentage of sales orders / quotes per users?
The objective it is to know what the percentage of quote that become a sale order per user.
I have not a clue how I can do it.
I am using OpenERP 7 | OpenERP - Odoo - How to have the percentage of quote that become a sale orders | 0 | 0 | 0 | 118 |
38,524,212 | 2016-07-22T10:32:00.000 | 0 | 0 | 0 | 0 | python,postgis,mapnik | 39,417,434 | 2 | false | 0 | 0 | If we are looking for publish data in postgres to WMS, enable tilecache, and use more advanced rendering engine like mapnik, then I would say there could be one component missing is the GIS server.
So if I am guessing your requirement correctly as I mentioned earlier then here is what the system design could be:
Use p... | 1 | 0 | 0 | Would that be possible to create programatically a new OGC WMS (1.1/1/3) service using:
Python
MapProxy
Mapnik
PostGIS/Postgres
any script/gist or sample would be more then appreciated.
Cheers, M | python script for creating maproxy OGC WMS service using Mapnik and PostGIS | 0 | 1 | 0 | 662 |
38,524,981 | 2016-07-22T11:10:00.000 | 1 | 0 | 1 | 0 | python,pyspark | 38,537,603 | 1 | true | 0 | 0 | If you are working with a HiveContext, then the max length of a table name should be the max length allowed by Hive/Metastore (last time I checked, were 128 characters), probably the same thing happen with SqlContext. | 1 | 1 | 0 | I am a absolute novice in python and this is a very basic question to which I could not find an answer while searching.
I am using registerTempTable function to register a dataframe as table, I wanted to check what is the max length there can be for the tablename? To test I used up to 70 characters and it did register ... | Max tablename length with registerTempTable in Python | 1.2 | 0 | 0 | 76 |
38,527,505 | 2016-07-22T13:18:00.000 | 0 | 0 | 0 | 1 | python,jenkins,jenkins-plugins | 38,527,694 | 1 | false | 0 | 0 | What I usually do is going on the build output, on the left you will find "Build environment Variables" or something similar and check if you can see them there, but the solution cited on the other SO post works usually for me as well | 1 | 0 | 0 | I'm currently using a Jenkins build to run a bash command that activates a Python script. The build is parametrised, and i need to be able to set environment variables containing those parameters on the Windows slave to be used by the Python script.
So, my question is: How do i set temporary env. variables for the curr... | Jenkins with Windows slave with Python - Setting environment variables while building and using them when running a python script | 0 | 0 | 0 | 766 |
38,527,573 | 2016-07-22T13:21:00.000 | 0 | 1 | 0 | 1 | python,amazon-web-services,amazon-dynamodb,iot | 38,537,832 | 1 | false | 1 | 0 | No, it does not. I have done similar setup and it is working fine. Are you sure that your IoT device does not go into some kind of sleep mode after a while ? | 1 | 1 | 0 | We have implemented a simple DynamoDB database that is updated by a remote IoT device that does not have a user (i.e. root) constantly logged in to the device. We have experience issues in logging data as the database is not updated if a user (i.e. root) is not logged into the device (we log in via a ssh session). We a... | AWS IOT with DynamoDB logging service issue | 0 | 0 | 0 | 66 |
38,529,591 | 2016-07-22T14:57:00.000 | 0 | 1 | 0 | 1 | python,apache,cgi | 38,529,657 | 1 | false | 0 | 0 | Have you tried chmod 777 foo.py or chmod +x foo.py? Those are generally the commands used to give file permission to run. | 1 | 0 | 0 | I'm attempting to execute foo.py from mysite.com/foo.py, however the script requires access to directories that would normally require sudo -i root access first. chmod u+s foo.py still doesn't give the script enough permission. What can I do so the script has root access? Thank you! | CGI: Execute python script as root | 0 | 0 | 0 | 690 |
38,531,685 | 2016-07-22T16:51:00.000 | 2 | 0 | 1 | 0 | python,ipython-notebook,jupyter-notebook | 38,531,985 | 1 | false | 0 | 0 | Option 1: Run multiple jupyter notebook servers from your project directory root(s). This avoids navigating deeply nested structures using the browser ui. I often run many notebook servers simultaneously without issue.
$ cd path/to/project/; jupyter notebook;
Option 2: If you know the path you could use webbrowser mo... | 1 | 2 | 0 | My Jupyter/IPython notebooks reside in various directories all over my file system. I don't enjoy navigating hierarchies of directories in the Jupyter notebook browser every time I have to open a notebook. In absence of the (still) missing feature allowing to bookmark directories within Jupyter, I want to explore if I ... | Open a Jupyter notebook within running server from command line | 0.379949 | 0 | 0 | 1,220 |
38,531,972 | 2016-07-22T17:10:00.000 | 0 | 0 | 1 | 0 | python,emacs,ide,pycharm,twisted | 41,860,685 | 2 | false | 0 | 0 | You can add one more thing in your list
Automatic save - (add-hook 'focus-out-hook 'save-buffer)
In case, your emacs slows down try
(global-hl-line-mode -1) in dotspacemacs/user-config | 1 | 3 | 0 | I am newbie to Emacs. I mostly work in python (specifically twisted) & trying to configure it more like Pycharm IDE. I installed package elpy. But still it doesn't work well in case of auto completion. Also it shows all errors in red color either they are errors or warnings. I tweaked pyflakes to show only specific err... | Customizing emacs like pycharm IDE | 0 | 0 | 0 | 1,713 |
38,532,919 | 2016-07-22T18:13:00.000 | 0 | 0 | 1 | 0 | java,python,time,time-complexity | 38,533,334 | 1 | false | 0 | 0 | Yes, you went from O(n^2) to O(n). You might want to look into the space complexity as well, you would have to store the graph for one of them while for the other one you would use less space. A HashMap looks ideal for this situation if you do not care about memory, or any other array if it's easier to implement. | 1 | 0 | 0 | So I am reading two files and storing each line in two different lists respectively. Now I have to check if a string in the first list is present in the 2nd list.
By normal comparison this will take O(n^2)
But using a graph based data structure like -
File1_visited[string] = True
File2_visited[string] = True.
I can c... | time complexity of this approach | 0 | 0 | 0 | 77 |
38,537,125 | 2016-07-23T00:58:00.000 | 2 | 0 | 1 | 0 | python,module,dataset,attributeerror,lda | 38,537,431 | 2 | true | 0 | 0 | Do you have a module named lda.py or lda.pyc in the current directory?
If so, then your import statement is finding that module instead of the "real" lda module. | 1 | 1 | 1 | I have installed LDA plibrary (using pip)
I have a very simple test code (the next two rows)
import lda
print lda.datasets.load_reuters()
But i keep getting the error
AttributeError: 'module' object has no attribute 'datasets'
in fact i get that each time i access any attribute/function under lda! | AttributeError: 'module' object has no attribute '__version__' | 1.2 | 0 | 0 | 4,833 |
38,540,517 | 2016-07-23T10:04:00.000 | 1 | 0 | 0 | 0 | python,sonos | 38,955,622 | 1 | true | 1 | 0 | you can easily iterate over the group, and change all their volumes, for example to increate the volume on all speakers by 5:
for each_speaker in my_zone.group:
each_speaker.volume += 5
(assuming my_zone is you speaker object) | 1 | 1 | 0 | I am trying to set group volume in soco (python) for my Sonos speakers. It is straightforward to set individual speaker volume but I have not found any way to set volume on group level (without iterating through each speaker setting the volume individually). Any idea to do this? | Anyone know how to set group volume in soco (python)? | 1.2 | 0 | 0 | 442 |
38,543,266 | 2016-07-23T15:13:00.000 | 0 | 0 | 1 | 0 | python,anaconda,conda | 64,464,084 | 3 | false | 0 | 0 | I've found a solution while trying to install conda environment in my Windows.
I have a space in one of my directory's name between My and MS.
C:\Users\My MS\python\project_1\env
So I put " " to encase the whole directory to activate the environment:
$ conda activate "C:\Users\My MS\python\project_1\env" | 1 | 3 | 0 | conda env list or conda info -e shows
py35 python=3.5 as one of the environment.
How to activate conda env which has space in its name? | How to activate conda env with space in its name | 0 | 0 | 0 | 6,175 |
38,545,198 | 2016-07-23T18:32:00.000 | 0 | 0 | 1 | 1 | python,vagrant,jupyter-notebook | 57,043,893 | 5 | false | 0 | 0 | Looks like that in newer versions of Jupyter the changes that should be done in the configuration is a little different from the above answers (otherwise you can get error "'' does not appear to be an IPv4 or IPv6 address").
The entire solution:
Run:
jupyter notebook --generate-config
Change in the config the bellow:... | 2 | 9 | 0 | I want to run jupyter notebook running on my ubuntu vm which i fired using vagrant.
$ jupyter notebook --no-browser --port 8004
[I 18:26:10.152 NotebookApp] Serving notebooks from local directory: /home/vagrant/path/to/jupyter/notebook/directory
[I 18:26:10.153 NotebookApp] 0 active kernels
[I 18:26:10.154 NotebookAp... | access jupyter notebook running on vm | 0 | 0 | 0 | 20,157 |
38,545,198 | 2016-07-23T18:32:00.000 | 1 | 0 | 1 | 1 | python,vagrant,jupyter-notebook | 70,621,757 | 5 | false | 0 | 0 | For my case (using VMware with Ubuntu), the solution was very simple.
By default, the network adapter was already in NAT mode. If not, adjust this in the settings of your VM instance.
Type ifconfig in a VM terminal to get your local IP, e.g. 192.168.124.131.
Start the notebook: jupyter notebook --ip=192.168.124.131 --n... | 2 | 9 | 0 | I want to run jupyter notebook running on my ubuntu vm which i fired using vagrant.
$ jupyter notebook --no-browser --port 8004
[I 18:26:10.152 NotebookApp] Serving notebooks from local directory: /home/vagrant/path/to/jupyter/notebook/directory
[I 18:26:10.153 NotebookApp] 0 active kernels
[I 18:26:10.154 NotebookAp... | access jupyter notebook running on vm | 0.039979 | 0 | 0 | 20,157 |
38,547,996 | 2016-07-24T01:44:00.000 | 0 | 0 | 1 | 0 | python,data-structures | 38,548,024 | 3 | false | 0 | 0 | Dict with tuples as keys might work. | 3 | 1 | 1 | I want to represent sparse matrix in Python in a data structure that does not waste space but in the same time preserves constant access time. Is there any easy/trivial way of doing it? I know that libraries such as scipy have it. | Represent sparse matrix in Python without library usage | 0 | 0 | 0 | 331 |
38,547,996 | 2016-07-24T01:44:00.000 | 1 | 0 | 1 | 0 | python,data-structures | 38,548,640 | 3 | false | 0 | 0 | The scipy.sparse library uses different formats depending on the purpose. All implement a 2d matrix
dictionary of keys - the data structure is a dictionary, with a tuple of the coordinates as key. This is easiest to setup and use.
list of lists - has 2 lists of lists. One list has column coordinates, the other colum... | 3 | 1 | 1 | I want to represent sparse matrix in Python in a data structure that does not waste space but in the same time preserves constant access time. Is there any easy/trivial way of doing it? I know that libraries such as scipy have it. | Represent sparse matrix in Python without library usage | 0.066568 | 0 | 0 | 331 |
38,547,996 | 2016-07-24T01:44:00.000 | 0 | 0 | 1 | 0 | python,data-structures | 38,548,006 | 3 | false | 0 | 0 | Lots of ways to do it. For example you could keep a list where each list element is either one of your data objects, or an integer representing N blank items. | 3 | 1 | 1 | I want to represent sparse matrix in Python in a data structure that does not waste space but in the same time preserves constant access time. Is there any easy/trivial way of doing it? I know that libraries such as scipy have it. | Represent sparse matrix in Python without library usage | 0 | 0 | 0 | 331 |
38,549,253 | 2016-07-24T06:06:00.000 | 1 | 0 | 0 | 1 | python,ubuntu,tensorflow,command-line,version | 62,434,345 | 18 | false | 0 | 0 | Another variation, i guess :P
python3 -c 'print(__import__("tensorflow").__version__)' | 3 | 367 | 0 | I need to find which version of TensorFlow I have installed. I'm using Ubuntu 16.04 Long Term Support. | How to find which version of TensorFlow is installed in my system? | 0.011111 | 0 | 0 | 1,109,737 |
38,549,253 | 2016-07-24T06:06:00.000 | 2 | 0 | 0 | 1 | python,ubuntu,tensorflow,command-line,version | 62,218,233 | 18 | false | 0 | 0 | If you have TensorFlow 2.x:
sess = tf.compat.v1.Session(config=tf.compat.v1.ConfigProto(log_device_placement=True)) | 3 | 367 | 0 | I need to find which version of TensorFlow I have installed. I'm using Ubuntu 16.04 Long Term Support. | How to find which version of TensorFlow is installed in my system? | 0.022219 | 0 | 0 | 1,109,737 |
38,549,253 | 2016-07-24T06:06:00.000 | 4 | 0 | 0 | 1 | python,ubuntu,tensorflow,command-line,version | 55,177,324 | 18 | false | 0 | 0 | Easily get KERAS and TENSORFLOW version number -->
Run this command in terminal:
[username@usrnm:~] python3
>>import keras; print(keras.__version__)
Using TensorFlow backend.
2.2.4
>>import tensorflow as tf; print(tf.__version__)
1.12.0 | 3 | 367 | 0 | I need to find which version of TensorFlow I have installed. I'm using Ubuntu 16.04 Long Term Support. | How to find which version of TensorFlow is installed in my system? | 0.044415 | 0 | 0 | 1,109,737 |
38,555,120 | 2016-07-24T18:03:00.000 | 4 | 0 | 1 | 0 | python,numpy,matrix | 38,555,266 | 3 | false | 0 | 0 | Well, the first question is, wich type of value will you store in your matrix?
Suposing it will be of integers (and suposing that every bytes uses the ISO specification for size, 4 bytes), you will have 4*10^12 bytes to store. That's a large amount of information (4 TB), so, in first place, I don't know from where you ... | 2 | 1 | 1 | I am working on a python project where I will need to work with a matrix whose size is around 10000X10000X10000.
Considering that:
The matrix will be dense, and should be stored in the RAM.
I will need to perform linear algebra (with numpy, I think) on that matrix, with around O(n^3) where n=10000 operations (that are... | Hardware requirements to deal with a big matrix - python | 0.26052 | 0 | 0 | 230 |
38,555,120 | 2016-07-24T18:03:00.000 | 1 | 0 | 1 | 0 | python,numpy,matrix | 38,555,206 | 3 | false | 0 | 0 | Actually, the memory would be a big issue here. Depending on the type of the matrix elements. Each float takes 24 bytes for example as it is a boxed object. As your matrix is 10^12 you can do the math.
Switching to C would probably make it more memory-efficient, but not faster, as numpy is essentially written in C wit... | 2 | 1 | 1 | I am working on a python project where I will need to work with a matrix whose size is around 10000X10000X10000.
Considering that:
The matrix will be dense, and should be stored in the RAM.
I will need to perform linear algebra (with numpy, I think) on that matrix, with around O(n^3) where n=10000 operations (that are... | Hardware requirements to deal with a big matrix - python | 0.066568 | 0 | 0 | 230 |
38,556,078 | 2016-07-24T19:47:00.000 | 15 | 0 | 1 | 0 | python,tensorflow | 38,556,752 | 1 | true | 0 | 0 | It's true that a Variable can be used any place a Tensor can, but the key differences between the two are that a Variable maintains its state across multiple calls to run() and a variable's value can be updated by backpropagation (it can also be saved, restored etc as per the documentation).
These differences mean tha... | 1 | 11 | 1 | The Tensorflow documentation states that a Variable can be used any place a Tensor can be used, and they seem to be fairly interchangeable. For example, if v is a Variable, then x = 1.0 + v becomes a Tensor.
What is the difference between the two, and when would I use one over the other? | In Tensorflow, what is the difference between a Variable and a Tensor? | 1.2 | 0 | 0 | 3,747 |
38,556,461 | 2016-07-24T20:26:00.000 | 2 | 0 | 0 | 0 | python,django | 38,556,568 | 2 | false | 1 | 0 | You need some kind of mutex. Since your operations involve the filesystem already, perhaps you could use a file as a mutex. For instance, at the start of the operation, check if a specific file exists in a specific place; if it does, return an error, but if not, create it and proceed, deleting it at the end of the oper... | 1 | 1 | 0 | I have a django app, where I am using one of the views to fetch data from local filesystem and parse it and add it to my database. Now the thing is, I want to restrict this view from serving multiple requests concurrently, I want them to be served sequentially instead. Or just block the new request when one request is ... | Is there a way to block django views from serving multiple requests concurrently? | 0.197375 | 0 | 0 | 179 |
38,558,368 | 2016-07-25T00:59:00.000 | 2 | 0 | 0 | 0 | python-3.x,utf-8,flask | 38,558,411 | 1 | false | 1 | 0 | The string (BOM) is most likely included in your template file. Open/save it in some editor which doesn't include unnecessary symbols in UTF-8 files. For example Notepad++. | 1 | 0 | 0 | I am trying to use Flask and for some reason it is rendering with a byte-order mark that's a quirk of something using UTF8 (the mark is  in particular for people googling the same issue).
I do not know how to get rid of it or if it is a source of some of my problems. I am using Flask on Windows 10.
I wish I knew how... | flask serving byte-order-mark  | 0.379949 | 0 | 0 | 142 |
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