Q_CreationDate stringlengths 23 23 | Title stringlengths 11 149 | Question stringlengths 25 6.53k | Answer stringlengths 15 5.1k | Score float64 -1 1.2 | Is_accepted bool 2
classes | N_answers int64 1 17 | Q_Id int64 0 6.76k |
|---|---|---|---|---|---|---|---|
2018-07-28 23:43:19.713 | Screen up time in desktop | I might be sounding like a noob while asking this question but I really want to know how can I get the time from when my screen is on. Not the system up time but the screen up time. I want to use this time in a python app. So please tell me if there is any way to get that. Thanks in advance.
Edit- I want to get the tim... | In Mac OS ioreg might have the information you're looking for.
ioreg -n IODisplayWrangler -r IODisplayWrangler -w 0 | grep IOPowerManagement | 0 | false | 1 | 5,639 |
2018-07-29 11:14:44.810 | Django Queryset find data between date | I don't know what title should be, I just got stuck and need to ask.
I have a model called shift
and imagine the db_table like this:
#table shift
+---------------+---------------+---------------+---------------+------------+------------+
| start | end | off_start | off_end | time | us... | Question isnt too clear, but maybe you're after something like
start__lte=2018-01-10, end__gte=2018-01-10? | 1.2 | true | 1 | 5,640 |
2018-07-31 16:24:41.370 | cannot run jupyter notebook from anaconda but able to run it from python | After installing Anaconda to C:\ I cannot open jupyter notebook. Both in the Anaconda Prompt with jupyter notebook and inside the navigator. I just can't make it to work. It doesn't appear any line when I type jupyter notebook iniside the prompt. Neither does the navigator work. Then after that I reinstall Anaconda, di... | You need to activate the anaconda environment first.
In terminal: source activate environment_name, (or activate environment_name on windows?)
then jupyter notebook
If you don't know the env name, do conda list
to restore the default python environment: source deactivate | 1.2 | true | 1 | 5,641 |
2018-07-31 16:30:46.247 | Handling Error for Continuous Features in a Content-Based Filtering Recommender System | I've got a content-based recommender that works... fine. I was fairly certain it was the right approach to take for this problem (matching established "users" with "items" that are virtually always new, but contain known features similar to existing items).
As I was researching, I found that virtually all examples of c... | There are two basic approaches to solve this:
(1) Write your own distance function. The obvious approach is to remove the deliciousness element from each vector, evaluating that difference independently. Use cosine similarity on the rest of the vector. Combine that figure with the taste differential as desired.
(2) ... | 1.2 | true | 1 | 5,642 |
2018-07-31 22:16:11.853 | How do i get Mac 10.13 to install modules into a 3.x install instead of 2.7 | I'm trying to learn python practically.
I installed PIP via easy_install and then I wanted to play with some mp3 files so I installed eyed3 via pip while in the project directory. Issue is that it installed the module into python 2.7 which comes standard with mac. I found this out as it keeps telling me that when a scr... | Have you tried pip3 install [module-name]?
Then you should be able to check which modules you've installed using pip3 freeze. | 0 | false | 1 | 5,643 |
2018-08-01 06:16:42.720 | Any way to save format when importing an excel file in Python? | I'm doing some work on the data in an excel sheet using python pandas. When I write and save the data it seems that pandas only saves and cares about the raw data on the import. Meaning a lot of stuff I really want to keep such as cell colouring, font size, borders, etc get lost. Does anyone know of a way to make panda... | Separate data from formatting. Have a sheet that contains only the data – that's the one you will be reading/writing to – and another that has formatting and reads the data from the first sheet. | 0 | false | 1 | 5,644 |
2018-08-01 10:39:07.337 | How backing file works in qcow2? | qcow2 is an image for qemu and it's good to emulate.
I know how to write data for qcow2 format, but I don't know how backing files in qcow2 work?
I found nothing tutorial said this.
Can anyone give me tips? | Backing file is external snapshot for qcow2 and the qemu will write COW data in the new image.
For example:
You have image A and B, and A is backing file of B.
When you mount B to /dev/nbd and check its data, you'll find you can saw data of A.
That's because if there's no data in the range of B, qemu will read the sam... | 0.386912 | false | 1 | 5,645 |
2018-08-02 13:30:37.763 | how to download many pdf files from google at once using python? | I want to download approximately 50 pdf files from the Internet using a python script. Can Google APIs help me anyhow? | I am going to assume that you are downloading from Google drive. You can only download one file at a time. You cant batch download of the actual file itself.
YOu could look into some kind of multi threading system and download the files at the same time that way but you man run into quota issues. | 0 | false | 1 | 5,646 |
2018-08-03 12:50:35.807 | how to use coverage run --source = {dir_name} | I have certain files in a directory named benchmarks and I want to get code coverage by running these source files.
I have tried using source flag in the following ways but it doesn't work.
coverage3 run --source=benchmarks
coverage3 run --source=benchmarks/
On running, I always get Nothing to do.
Thanks | coverage run is like python. If you would run a file with python myprog.py, then you can use coverage run myprog.py. | 1.2 | true | 1 | 5,647 |
2018-08-04 18:15:06.493 | Discord.py get message embed | How can I get the embed of a message to a variable with the ID of the message in discord.py?
I get the message with uzenet = await client.get_message(channel, id), but I don't know how to get it's embed. | To get the first Embed of your message, as you said that would be a dict():
embedFromMessage = uzenet.embeds[0]
To transfer the dict() into an discord.Embed object:
embed = discord.Embed.from_data(embedFromMessage) | 1.2 | true | 1 | 5,648 |
2018-08-04 22:59:50.310 | How to use Windows credentials to connect remote desktop | In my Python script I want to connect to remote server every time. So how can I use my windows credentials to connect to server without typing user ID and password.
By default it should read the userid/password from local system and will connect to remote server.
I tried with getuser() and getpass() but I have to ente... | I am sorry this is not exactly an answer but I have looked on the web and I do not think you can write a code to automatically open Remote desktop without you having to enter the credentials but can you please edit the question so that I can see the code? | 0 | false | 1 | 5,649 |
2018-08-07 05:02:59.393 | On project task created do not send email | By default subscribers get email messages once the new task in a project is created. How it can be tailored so that unless the projects has checkbox "Send e-mail on new task" checked it will not send e-mails on new task?
I know how to add a custom field to project.project model. But don't know the next step.
What actio... | I found that if project has notifications option "
Visible by following customers" enabled then one can configure subscription for each follower.
To not receive e-mails when new task is added to the project: unmark the checkbox "Task opened" in the "Edit subscription of User" form. | 1.2 | true | 1 | 5,650 |
2018-08-08 05:01:22.287 | How can I pack python into my project? | I am making a program that will call python. I would like to add python in my project so users don't have to download python in order to use it, also it will be better to use the python that my program has so users don't have to download any dependency.
My program it's going to be writing in C++ (but can be any languag... | In order to run python code, the runtime is sufficient. Under Windows, you can use py2exe to pack your program code together with the python runtime and all recessary dependencies. But pip cannot be used and it makes no sense, as you don't want to develop, but only use the python part.
To distribute the complete python... | 0.135221 | false | 1 | 5,651 |
2018-08-08 06:15:54.700 | Python app to organise ideas by tags | Please give me a hint about how is it better to code a Python application which helps to organise ideas by tags.
Add a new idea:
Input 1: the idea
Input 2: corresponding tags
Search for the idea:
Input 1: one or multiple tags
As far as I understood, it's necessary to create an array with ideas and an array with tags. ... | Have two dictionaries:
Idea -> Set of Tags
Tag -> Set of Ideas
When you add a new idea, add it to the first dictionary, and then update all the sets of the tags it uses in the second dictionary. This way you get easy lookup by both tag and idea. | 0 | false | 1 | 5,652 |
2018-08-08 13:54:35.003 | Does ImageDataGenerator add more images to my dataset? | I'm trying to do image classification with the Inception V3 model. Does ImageDataGenerator from Keras create new images which are added onto my dataset? If I have 1000 images, will using this function double it to 2000 images which are used for training? Is there a way to know how many images were created and now fed i... | Let me try and tell u in the easiest way possible with the help of an example.
For example:
you have a set of 500 images
you applied the ImageDataGenerator to the dataset with batch_size = 25
now you run your model for lets say 5 epochs with
steps_per_epoch=total_samples/batch_size
so , steps_per_epoch will be equal t... | 0 | false | 2 | 5,653 |
2018-08-08 13:54:35.003 | Does ImageDataGenerator add more images to my dataset? | I'm trying to do image classification with the Inception V3 model. Does ImageDataGenerator from Keras create new images which are added onto my dataset? If I have 1000 images, will using this function double it to 2000 images which are used for training? Is there a way to know how many images were created and now fed i... | Also note that: These augmented images are not stored in the memory, they are generated on the fly while training and lost after training. You can't read again those augmented images.
Not storing those images is a good idea because we'd run out of memory very soon storing huge no of images | 0.116092 | false | 2 | 5,653 |
2018-08-09 09:03:04.903 | Can I use JetBrains MPS in a web application? | I am developing a small web application with Flask. This application needs a DSL, which can express the content of .pdf files.
I have developed a DSL with JetBrains MPS but now I'm not sure how to use it in my web application. Is it possible? Or should I consider to switch to another DSL or make my DSL directly in Pyth... | If you want to use MPS in the web frontend the simple answer is: no.
Since MPS is a projectional editor it needs a projection engine so that user can interact with the program/model. The projection engine of MPS is build in Java for desktop applications. There have been some efforts to put MPS on the web and build Jav... | 1.2 | true | 1 | 5,654 |
2018-08-09 10:03:54.250 | How to solve error Expected singleton: purchase.order.line (57, 58, 59, 60, 61, 62, 63, 64) | I'm using odoo version 9 and I've created a module to customize the reports of purchase order. Among the fields that I want displayed in the reports is the supplier reference for article but when I add the code that displays this field <span> <t t-esc="', '.join([str(x.product_code) for x in o.order_line.product_id.pr... | It is because your purchase order got several orderlines and you are hoping that the order will have only one orderline.
o.orderline.product_id.product_tmpl_id.seller_ids
will work only if there is one orderline otherwise you have loop through each orderline. Here o.orderline will have multiple orderlines and you can ... | 1.2 | true | 1 | 5,655 |
2018-08-10 09:07:10.620 | how to convert tensorflow .meta .data .index to .ckpt file? | As we know, when using tensorflow to save checkpoint, we have 3 files, for e.g.:
model.ckpt.data-00000-of-00001
model.ckpt.index
model.ckpt.meta
I check on the faster rcnn and found that they have an evaluation.py script which helps evaluate the pre-trained model, but the script only accept .ckpt file (as they provided... | These
{
model.ckpt.data-00000-of-00001
model.ckpt.index
model.ckpt.meta
}
are the more recent checkpoint format
while
{model.ckpt}
is a previous checkpoint format
It will be in the same concept as to convert a Nintendo Switch to NES ... Or a 3 pieces CD bundle to a single ROM cartridge... | 0 | false | 1 | 5,656 |
2018-08-10 17:54:31.013 | How do I write a script that configures an applications settings for me? | I need help on how to write a script that configures an applications (VLC) settings to my needs without having to do it manually myself. The reason for this is because I will eventually need to start this application on boot with the correct settings already configured.
Steps I need done in the script.
1) I need to o... | Do whichever changes you want manually once on an arbitrary system, then make a copy of the application's configuration files (in this case ~/.config/vlc)
When you want to replicate the settings on a different machine, simply copy the settings to the same location. | 1.2 | true | 1 | 5,657 |
2018-08-10 22:27:20.097 | Python/Tkinter - Making The Background of a Textbox an Image? | Since Text(Tk(), image="somepicture.png") is not an option on text boxes, I was wondering how I could make bg= a .png image. Or any other method of allowing a text box to stay a text box, with an image in the background so it can blend into a its surroundings. | You cannot use an image as a background in a text widget.
The best you can do is to create a canvas, place an image on the canvas, and then create a text item on top of that. Text items are editable, but you would have to write a lot of bindings, and you wouldn't have nearly as many features as the text widget. In shor... | 1.2 | true | 1 | 5,658 |
2018-08-11 06:44:26.587 | how to uninstall pyenv(installed by homebrew) on Mac | I used to install pyenv by homebrew to manage versions of python, but now, I want to use anaconda.But I don't know how to uninstall pyenv.Please tell me. | None work for me (under brew) under Mac Cataline.
They have a warning about file missing under .pyenv.
(After I removed the bash_profile lines and also rm -rf ~/.pyenv,
I just install Mac OS version of python under python.org and seems ok.
Seems get my IDLE work and ... | 0.386912 | false | 2 | 5,659 |
2018-08-11 06:44:26.587 | how to uninstall pyenv(installed by homebrew) on Mac | I used to install pyenv by homebrew to manage versions of python, but now, I want to use anaconda.But I don't know how to uninstall pyenv.Please tell me. | Try removing it using the following command:
brew remove pyenv | 0.386912 | false | 2 | 5,659 |
2018-08-11 08:48:32.293 | How to install pandas for sublimetext? | I cannot find the way to install pandas for sublimetext. Do you might know how?
There is something called pandas theme in the package control, but that was not the one I needed; I need the pandas for python for sublimetext. | For me, "pip install pandas" was not working, so I used pip3 install pandas which worked nicely.
I would advise using either pip install pandas or pip3 install pandas for sublime text | 0 | false | 2 | 5,660 |
2018-08-11 08:48:32.293 | How to install pandas for sublimetext? | I cannot find the way to install pandas for sublimetext. Do you might know how?
There is something called pandas theme in the package control, but that was not the one I needed; I need the pandas for python for sublimetext. | You can install this awesome theme through the Package Control.
Press cmd/ctrl + shift + p to open the command palette.
Type “install package” and press enter. Then search for “Panda Syntax Sublime”
Manual installation
Download the latest release, extract and rename the directory to “Panda Syntax”.
Move the director... | -0.201295 | false | 2 | 5,660 |
2018-08-11 14:25:40.620 | Can I get a list of all urls on my site from the Google Analytics API? | I have a site www.domain.com and wanted to get all of the urls from my entire website and how many times they have been clicked on, from the Google Analytics API.
I am especially interested in some of my external links (the ones that don't have www.mydomain.com). I will then match this against all of the links on my s... | I have a site www.domain.com and wanted to get all of the urls from my
entire website and how many times they have been clicked on
I guess you need parameter Page and metric Pageviews
I am especially interested in some of my external links
You can get list of external links if you track they as events.
Try to use... | 1.2 | true | 1 | 5,661 |
2018-08-12 10:05:41.443 | Data extraction from wef output file | I have a wrf output netcdf file.File have variables temp abd prec.Dimensions keys are time, south-north and west-east. So how I select different lat long value in region. The problem is south-north and west-east are not variable. I have to find index value of four lat long value | 1) Change your Registry files (I think it is Registry.EM_COMMON) so that you print latitude and longitude in your wrfout_d01_time.nc files.
2) Go to your WRFV3 map.
3) Clean, configure and recompile.
4) Run your model again the way you are used to. | 0 | false | 1 | 5,662 |
2018-08-12 19:39:13.970 | Cosmic ray removal in spectra | Python developers
I am working on spectroscopy in a university. My experimental 1-D data sometimes shows "cosmic ray", 3-pixel ultra-high intensity, which is not what I want to analyze. So I want to remove this kind of weird peaks.
Does anybody know how to fix this issue in Python 3?
Thanks in advance!! | The answer depends a on what your data looks like: If you have access to two-dimensional CCD readouts that the one-dimensional spectra were created from, then you can use the lacosmic module to get rid of the cosmic rays there. If you have only one-dimensional spectra, but multiple spectra from the same source, then a ... | 0 | false | 1 | 5,663 |
2018-08-13 21:59:31.640 | PyCharm running Python file always opens a new console | I initially started learning Python in Spyder, but decided to switch to PyCharm recently, hence I'm learning PyCharm with a Spyder-like mentality.
I'm interested in running a file in the Python console, but every time I rerun this file, it will run under a newly opened Python console. This can become annoying after a ... | To allow only one instance to run, go to "Run" in the top bar, then "Edit Configurations...". Finally, check "Single instance only" at the right side. This will run only one instance and restart every time you run. | 0.067922 | false | 3 | 5,664 |
2018-08-13 21:59:31.640 | PyCharm running Python file always opens a new console | I initially started learning Python in Spyder, but decided to switch to PyCharm recently, hence I'm learning PyCharm with a Spyder-like mentality.
I'm interested in running a file in the Python console, but every time I rerun this file, it will run under a newly opened Python console. This can become annoying after a ... | You have an option to Rerun the program.
Simply open and navigate to currently running app with:
Alt+4 (Windows)
⌘+4 (Mac)
And then rerun it with:
Ctrl+R (Windows)
⌘+R (Mac)
Another option:
Show actions popup:
Ctrl+Shift+A (Windows)
⇧+⌘+A (Mac)
And type Rerun ..., IDE then hint you with desired action, and call i... | 0 | false | 3 | 5,664 |
2018-08-13 21:59:31.640 | PyCharm running Python file always opens a new console | I initially started learning Python in Spyder, but decided to switch to PyCharm recently, hence I'm learning PyCharm with a Spyder-like mentality.
I'm interested in running a file in the Python console, but every time I rerun this file, it will run under a newly opened Python console. This can become annoying after a ... | One console is one instance of Python being run on your system. If you want to run different variations of code within the same Python kernel, you can highlight the code you want to run and then choose the run option (Alt+Shift+F10 default). | 0 | false | 3 | 5,664 |
2018-08-14 03:28:58.627 | What is Killed:9 and how to fix in macOS Terminal? | I have a simple Python code for a machine learning project. I have a relatively big database of spontaneous speech. I started to train my speech model. Since it's a huge database I let it work overnight. In the morning I woke up and saw a mysterious
Killed: 9
line in my Terminal. Nothing else. There is no other error m... | Try to change the node version.
In my case, that helps. | -0.201295 | false | 1 | 5,665 |
2018-08-15 17:19:50.610 | Identifying parameters in HTTP request | I am fairly proficient in Python and have started exploring the requests library to formulate simple HTTP requests. I have also taken a look at Sessions objects that allow me to login to a website and -using the session key- continue to interact with the website through my account.
Here comes my problem: I am trying to... | This has nothing to do with python, but you can use a network proxy to examine your requests.
Download a network proxy like Burpsuite
Setup your browser to route all traffic through Burpsuite (default is localhost:8080)
Deactivate packet interception (in the Proxy tab)
Browse to your target website normally
Examine th... | 1.2 | true | 1 | 5,666 |
2018-08-16 03:16:46.443 | Why there is binary type after writing to hive table | I read the data from oracle database to panda dataframe, then, there are some columns with type 'object', then I write the dataframe to hive table, these 'object' types are converted to 'binary' type, does any one know how to solve the problem? | When you read data from oracle to dataframe it's created columns with object datatypes.
You can ask pandas dataframe try to infer better datatypes (before saving to Hive) if it can:
dataframe.infer_objects() | 0 | false | 1 | 5,667 |
2018-08-16 04:22:51.340 | What is the use of Jupyter Notebook cluster | Can you tell me what is the use of jupyter cluster. I created jupyter cluster,and established its connection.But still I'm confused,how to use this cluster effectively?
Thank you | With Jupyter Notebook cluster, you can run notebook on the local machine and connect to the notebook on the cluster by setting the appropriate port number. Example code:
Go to Server using ssh username@ip_address to server.
Set up the port number for running notebook. On remote terminal run jupyter notebook --no-brow... | 1.2 | true | 1 | 5,668 |
2018-08-16 12:03:34.353 | How to decompose affine matrix? | I have a series of points in two 3D systems. With them, I use np.linalg.lstsq to calculate the affine transformation matrix (4x4) between both. However, due to my project, I have to "disable" the shear in the transform. Is there a way to decompose the matrix into the base transformations? I have found out how to do so ... | I'm not sure I understand what you're asking.
Anyway If you have two sets of 3D points P and Q, you can use Kabsch algorithm to find out a rotation matrix R and a translation vector T such that the sum of square distances between (RP+T) and Q is minimized.
You can of course combine R and T into a 4x4 matrix (of rotatio... | 1.2 | true | 1 | 5,669 |
2018-08-16 13:00:32.667 | Jupyter notebook kernel does not want to interrupt | I was running a cell in a Jupyter Notebook for a while and decided to interrupt. However, it still continues to run and I don't know how to proceed to have the thing interrupted...
Thanks for help | Sometimes this happens, when you are on a GPU accelerated machine, where the Kernel is waiting for some GPU operation to be finished. I noticed this even on AWS instances.
The best thing you can do is just to wait. In the most cases it will recover and finish at some point. If it does not, at least it will tell you the... | 1.2 | true | 1 | 5,670 |
2018-08-17 02:02:19.417 | find token between two delimiters - discord emotes | i am trying to recognise discord emotes.
They are always between two : and don't contain space. e.g.
:smile:
I know how to split strings at delimiters, but how do i only split tokens that are within exactly two : and contain no space?
Thanks in advance! | Thanks to @G_M i found the following solution:
regex = re.compile(r':[A-Za-z0-9]+:')
result = regex.findall(message.content)
Will give me a list with all the emotes within a message, independent of where they are within the message. | 1.2 | true | 1 | 5,671 |
2018-08-17 14:49:24.567 | Post file from one server to another | I have an Apache server A set up that currently hosts a webpage of a bar chart (using Chart.js). This data is currently pulled from a local SQLite database every couple seconds, and the web chart is updated.
I now want to use a separate server B on a Raspberry Pi to send data to the server to be used for the chart, rat... | Maybe I didn't quite understand your request but this is the solution I imagined:
You create a Frontend with WebSocket support that connects to Server A
Server B (the one running on the raspberry) sends a POST request
with the JSON to Server A
Server A accepts the JSON and sends it to all clients connected with the We... | 0 | false | 1 | 5,672 |
2018-08-17 15:42:47.703 | How to display a pandas Series in Python? | I have a variable target_test (for machine learning) and I'd like to display just one element of target_test.
type(target_test) print the following statement on the terminal :
class 'pandas.core.series.Series'
If I do print(target_test) then I get the entire 2 vectors that are displayed.
But I'd like to print just th... | For the first column, you can use targets_test.keys()[i], for the second one targets_test.values[i] where i is the row starting from 0. | 1.2 | true | 1 | 5,673 |
2018-08-18 22:38:40.803 | django-storages boto3 accessing file url of a private file | I'm trying to get the generated URL of a file in a test model I've created,
and I'm trying to get the correct url of the file by: modelobject.file.url which does give me the correct url if the file is public, however if the file is private it does not automatically generate a signed url for me, how is this normally don... | I've figured out what I needed to do,
in the Private Storage class, I forgot to put custom_domain = False originally left this line off, because I did not think I needed it however you absolutely do in order to generate signed urls automatically. | 0.999988 | false | 1 | 5,674 |
2018-08-19 22:55:22.463 | Django - DRF (django-rest-framework-social-oauth2) and React creating a user | I'm using the DRF and ReactJS and I am trying to login with Patreon using
django-rest-framework-social-oauth2.
In React, I send a request to the back-end auth/login/patreon/ and I reach the Patreon OAuth screen where I say I want to login with PAtreon. Patreon then returns with a request to the back-end at accounts/p... | Once you receive the user profile email, unique id, and other details from Patreon then create a user at the Database level.
Now after creating a user at the Database level you have to log in the user using the Django login function or any other login mechanism before redirecting the user to the frontend with a session... | 0 | false | 1 | 5,675 |
2018-08-20 15:34:25.450 | In Visual Studio Code, how do I load my python code to a read-print-eval loop? | I am teaching a class that uses VScode.
I am used to teaching using IDLE, and it is very nice for the students to be able to call their defined functions and run snippets of code in a python terminal, for debugging purposes.
In VScode, they I have been unable to do the same in a satisfactory way.
Option1: I can select ... | Visual Code is just a text editor like your traditional notepad. to run and debug any kind program you need to install the particular extension for the programming language.
In your case you are using python so you need to install the extension of it. the best one is the "Python" which is developed by microsoft itself.... | 0.995055 | false | 1 | 5,676 |
2018-08-20 22:16:15.047 | Maximum files size for Pyspark RDD | I’m practicing Pyspark (standalone) in the Pyspark shell at work and it’s pretty new to me. Is there a rule of thumb regarding max file size and the RAM (or any other spec) on my machine? What about when using a cluster?
The file I’m practicing with is about 1200 lines. But I’m curious to know how large of a file size... | There is no hard limit on the Data size you can process, however when your RDD (Resilient Distributed Dataset) size exceeds the size of your RAM then the data will be moved to Disk. Even after the data is moved to the Disk spark will be equally capable of processing it. For example if your data is 12GB and available me... | 1.2 | true | 1 | 5,677 |
2018-08-22 12:17:01.487 | Abaqus: parametric geometry/assembly in Inputfile or Python script? | i want to do something as a parametric study in Abaqus, where the parameter i am changing is a part of the assembly/geometry.
Imagine the following:
A cube is hanging on 8 ropes. Each two of the 8 ropes line up in one corner of a room. the other ends of the ropes merge with the room diagonal of the cube. It's somethin... | In case someon is interested, i was able to do it the following way:
I created a model in abaqus till the point, i could have started the job. Then i took the .jnl file (which is created automaticaly by abaqus) and saved it as a .py file. Then i modified this script by defining every single point as a variable and ever... | 1.2 | true | 1 | 5,678 |
2018-08-22 12:57:46.077 | Pandas DataFrame Display in Jupyter Notebook | I want to make my display tables bigger so users can see the tables better when that are used in conjunction with Jupyter RISE (slide shows).
How do I do that?
I don't need to show more columns, but rather I want the table to fill up the whole width of the Jupyter RISE slide.
Any idea on how to do that?
Thanks | If df is a pandas.DataFrame object.
You can do:
df.style.set_properties(**{'max-width': '200px', 'font-size': '15pt'}) | 0 | false | 1 | 5,679 |
2018-08-22 13:38:01.097 | Will making a Django website public on github let others get the data in its database ? If so how to prevent it? | I have a locally made Django website and I hosted it on Heroku, at the same time I push changes to anathor github repo. I am using built in Database to store data. Will other users be able to get the data that has been entered in the database from my repo (like user details) ?
If so how to prevent it from happening ? S... | The code itself wouldn't be enough to get access to the database. For that you need the db name and password, which shouldn't be in your git repo at all.
On Heroku you use environment variables - which are set automatically by the postgres add-on - along with the dj_database_url library which turns that into the releva... | 0 | false | 1 | 5,680 |
2018-08-22 15:24:11.663 | Uploading an image to S3 and manipulating with Python in Lambda - best practice | I'm building my first web application and I've got a question around process and best practice, I'm hoping the expertise on this website might be give me a bit of direction.
Essentially, all the MVP is doing is going to be writing an overlay onto an image and presenting this back to the user, as follows;
User uploads ... | You don't really need an RDS, just invoke your lambda synchronously from the browser.
So
Upload file to S3, using a randomized file name
Invoke your lambda synchronously, passing it the file name
Have your lambda read the file, convert it, and respond with either the file itself (binary responses aren't trivial), or ... | 0 | false | 1 | 5,681 |
2018-08-23 12:03:16.460 | How to install twilio via pip | how to install twilio via pip?
I tried to install twilio python module
but i can't install it
i get following error
no Module named twilio
When trying to install twilio
pip install twilio
I get the following error.
pyopenssl 18.0.0 has requirement six>=1.5.2, but you'll have six 1.4.1 which is incompatible.
Cannot un... | step1:download python-2.7.15.msi
step 2:install and If your system does not have Python added to your PATH while installing
"add python exe to path"
step 3:go C:\Python27\Scripts of your system
step4:in command prompt C:\Python27\Scripts>pip install twilio
step 5:after installation is done >python command line
import... | -0.201295 | false | 1 | 5,682 |
2018-08-23 14:53:44.523 | How to retrieve objects from the sotlayer saved quote using Python API | I'm trying to retrieve the objects/items (server name, host name, domain name, location, etc...) that are stored under the saved quote for a particular Softlayer account. Can someone help how to retrieve the objects within a quote? I could find a REST API (Python) to retrieve quote details (quote ID, status, etc..) but... | Thanks Albert getRecalculatedOrderContainer is the thing I was looking for. | 0 | false | 1 | 5,683 |
2018-08-23 23:45:21.277 | Can I debug Flask applications in IntelliJ? | I know how to debug a flask application in Pycharm. The question is whether this is also possible in IntelliJ.
I have my flask application debugging in Pycharm but one thing I could do in IntelliJ was evaluate expressions inline by pressing the alt + left mouse click. This isn't available in Pycharm so I wanted to run ... | Yes, you can. Just setup the proper parameters for Run script into PyCharm IDE. After that you can debug it as usual py script. In PyCharm you can evaluate any line in debug mode too. | 0 | false | 1 | 5,684 |
2018-08-24 14:36:02.090 | how to add the overall "precision" and "recall" metrics to "tensorboard" log file, after training is finished? | After the training is finished and I did the prediction on my network, I want to calculate "precision" and "recall" of my model, and then send it to log file of "tensorboard" to show the plot.
while training, I send "tensorboard" function as a callback to keras. but after training is finished, I dont know how to add so... | I believe that you've already done that work: it's the same process as the validation (prediction and check) step you do after training. You simply tally the results of the four categories (true/false pos/neg) and plug those counts into the equations (ratios) for precision and recall. | 0 | false | 1 | 5,685 |
2018-08-27 21:20:09.317 | Convolutional neural network architectures with an arbitrary number of input channels (more than RGB) | I am very new to image recognition with CNNs and currently using several standard (pre-trained) architectures available within Keras (VGG and ResNet) for image classification tasks. I am wondering how one can generalise the number of input channels to more than 3 (instead of standard RGB). For example, I have an image ... | If you retrain the models, that's not a problem. Only if you want to use a trained model, you have to keep the input the same. | 1.2 | true | 1 | 5,686 |
2018-08-28 02:21:26.060 | How to use Docker AND Conda in PyCharm | I want to run python in PyCharm by using a Docker image, but also with a Conda environment that is set up in the Docker image. I've been able to set up Docker and (locally) set up Conda in PyCharm independently, but I'm stumped as to how to make all three work together.
The problem comes when I try to create a new pro... | I'm not sure if this is the most eloquent solution, but I do have a solution to this now!
Start up a container from the your base image and attach to it
Install the Conda env yaml file inside the docker container
From outside the Docker container stream (i.e. a new terminal window), commit the existing container (and ... | 1.2 | true | 1 | 5,687 |
2018-08-28 13:52:18.727 | how to detect upside down face? | I would like to detect upright and upside-down faces, however faces weren't recognized in upside-down images.
I used the dlib library in Python with shape_predictor_68_face_landmarks.dat.
Is there a library that can recognize upright and upside-down faces? | You could use the same library to detect upside down faces. If the library is unable to detect the face initially, transform it 180° and check again. If it is recognized in this condition, you know it was an upside down face. | 1.2 | true | 1 | 5,688 |
2018-08-29 10:28:25.480 | How to have cfiles in python code | I'm using the Geany IDE and I've wrote a python code that makes a GUI. Im new to python and i'm better with C. I've done research on the web and its too complicated because theres so much jargon involved. Behind each button I want C to be the backbone of it (So c to execute when clicked). So, how can i make a c file an... | I too had a question like this and I found a website that described how to do it step by step but I can’t seem to find it. If you think about it, all these ‘import’ files are just code thats been made separately and thats why you import them. So, in order to import your ‘C File’ do the following.
Create the file you w... | 1.2 | true | 1 | 5,689 |
2018-08-29 13:57:38.713 | Cannot update svg file(s) for saleor framework + python + django | I would like to know how should i could manage to change the static files use by the saelor framework. I've tried to change the logo.svg but failed to do so.
I'm still learning python program while using the saleor framework for e-commerce.
Thank you. | Here is how it should be done. You must put your logo in the saleor/static/images folder then change it in base.html file in footer and navbar section. | 1.2 | true | 1 | 5,690 |
2018-08-29 20:22:17.757 | Determining "SystemFaceButton" RBG Value At RunTime | I am using tkinter and the PIL to make a basic photo viewer (mostly for learning purposes). I have the bg color of all of my widgets set to the default which is "systemfacebutton", whatever that means.
I am using the PIL.Image module to view and rotate my images. When an image is rotated you have to choose a fillcolor ... | You can use w.winfo_rgb("systembuttonface") to turn any color name to a tuple of R, G, B. (w is any Tkinter widget, the root window perhaps. Note that you had the color name scrambled.) The values returned are 16-bit for some unknown reason, you'll likely need to shift them right by 8 bits to get the 0-255 values co... | 1.2 | true | 1 | 5,691 |
2018-08-30 01:29:02.027 | In tf.layers.conv2d, with use_bias=True, are the biases tied or untied? | One more question:
If they are tied biases, how can I implement untied biases?
I am using tensorflow 1.10.0 in python. | tied biases is used in tf.layers.conv2d.
If you want united biases, just turn off use_bias and create bias variable manually with tf.Variable or tf.get_variable same shape with following feature map, finally sum them up. | 1.2 | true | 1 | 5,692 |
2018-08-30 19:43:08.963 | Reading all the image files in a folder in Django | I am trying to create a picture slideshow which will show all the png and jpg files of a folder using django.
Problem is how do I open windows explorer through django and prompt user to choose a folder name to load images from. Once this is done, how do I read all image files from this folder? Can I store all image fil... | This link “https://github.com/csev/dj4e-samples/tree/master/pics”
shows how to store data into to database(sqlite is the database used here) using Django forms. But you cannot upload an entire folder at once, so you have to create a one to many model between display_id(This is just a field name in models you can name i... | 0 | false | 1 | 5,693 |
2018-08-31 00:05:09.460 | How can I get SMS verification code in my Python program? | I'm writing a Python script to do some web automation stuff. In order to log in the website, I have to give it my phone number and the website will send out an SMS verification code. Is there a way to get this code so that I can use it in my Python program? Right now what I can think of is that I can write an Android A... | Answer my own question. I use IFTTT to forward the message to Slack and use Slack API to access the message. | 0 | false | 1 | 5,694 |
2018-08-31 16:13:31.870 | How to list available policies for an assumed AWS IAM role | I am using python and boto to assume an AWS IAM role. I want to see what policies are attached to the role so i can loop through them and determine what actions are available for the role. I want to do this so I can know if some actions are available instead of doing this by calling them and checking if i get an error.... | To obtain policies, your AWS credentials require permissions to retrieve the policies.
If such permissions are not associated with the assumed role, you could use another set of credentials to retrieve the permissions (but those credentials would need appropriate IAM permissions).
There is no way to ask "What policies ... | 0.386912 | false | 1 | 5,695 |
2018-08-31 19:23:27.853 | Creating "zero state" migration for existing db with sqlalchemy/alembic and "faking" zero migration for that existing db | I want to add alembic to an existing ,sqlalchemy using, project, with a working production db. I fail to find what's the standard way to do a "zero" migration == the migration setting up the db as it is now (For new developers setting up their environment)
Currently I've added import the declarative base class and all... | alembic revision --autogenerate inspects the state of the connected database and the state of the target metadata and then creates a migration that brings the database in line with metadata.
If you are introducing alembic/sqlalchemy to an existing database, and you want a migration file that given an empty, fresh datab... | 1 | false | 1 | 5,696 |
2018-09-02 16:24:08.867 | Django send progress back to client before request has ended | I am working on an application in Django where there is a feature which lets the user share a download link to a public file. The server downloads the file and processes the information within. This can be a time taking task therefore I want to send periodic feedbacks to the user before operations has completed. For i... | At first the progress task information can be saved in rdb or redis。
You can return the id of the task when uses submit the request to start task and the task can be executed in the background context。
The background task can save the task progress info in the db which you selected.
The app client get the progress info... | 0 | false | 1 | 5,697 |
2018-09-03 02:29:05.750 | Numpy array size different when saved to disk (compared to nbytes) | Is it possible that a flat numpy 1d array's size (nbytes) is 16568 (~16.5kb) but when saved to disk, has a size of >2 mbs?
I am saving the array using numpy's numpy.save method. Dtype of array is 'O' (or object).
Also, how do I save that flat array to disk such that I get approx similar size to nbytes when saved on di... | For others references, From numpy documentation:
numpy.ndarray.nbytes attribute
ndarray.nbytes Total bytes consumed by the elements of the array.
Notes
Does not include memory consumed by non-element attributes of the
array object.
So, the nbytes just considers elements of the array. | 0 | false | 1 | 5,698 |
2018-09-05 10:27:35.310 | Regex to match all lowercase character except some words | I would like to write a RE to match all lowercase characters and words (special characters and symbols should not match), so like [a-z]+ EXCEPT the two words true and false.
I'm going to use it with Python.
I've written (?!true|false\b)\b[a-z]+, it works but it does not recognise lowercase characters following an upper... | I would create two regexes (you want to mix word boundary matching with optionally splitting words apart, which is, AFAIK not straighforward mixable, you would have to re-phrase your regex either without word boundaries or without splitting):
first regex: [a-z]+
second regex: \b(?!true|false)[a-z]+ | 0 | false | 1 | 5,699 |
2018-09-06 08:27:52.960 | How to use double as the default type for floating numbers in PyTorch | I want all the floating numbers in my PyTorch code double type by default, how can I do that? | You should use for that torch.set_default_dtype.
It is true that using torch.set_default_tensor_type will also have a similar effect, but torch.set_default_tensor_type not only sets the default data type, but also sets the default values for the device where the tensor is allocated, and the layout of the tensor. | 0.386912 | false | 1 | 5,700 |
2018-09-06 20:34:52.430 | how to change directory in Jupyter Notebook with Special characters? | When I created directory under the python env, it has single quote like (D:\'Test Directory'). How do I change to this directory in Jupyter notebook? | I could able to change the directory using escape sequence like this.. os.chdir('C:\\'Test Directory\') | 0 | false | 1 | 5,701 |
2018-09-08 02:24:30.413 | Graph traversal, maybe another type of mathematics? | Let’s say you have a set/list/collection of numbers: [1,3,7,13,21,19] (the order does not matter). Let’s say for reasons that are not important, you run them through a function and receive the following pairs:
(1, 13), (1, 19), (1, 21), (3,19), (7, 3), (7,13), (7,19), (21, 13), (21,19). Again order does not matter. My ... | In case anyone cares in the future, the solution is called a blossom algorithm. | 0 | false | 2 | 5,702 |
2018-09-08 02:24:30.413 | Graph traversal, maybe another type of mathematics? | Let’s say you have a set/list/collection of numbers: [1,3,7,13,21,19] (the order does not matter). Let’s say for reasons that are not important, you run them through a function and receive the following pairs:
(1, 13), (1, 19), (1, 21), (3,19), (7, 3), (7,13), (7,19), (21, 13), (21,19). Again order does not matter. My ... | If you really intended to find the minimum amount, the answer is 0, because you don't have to use any number at all.
I guess you meant to write "maximal amount of numbers".
If I understand your problem correctly, it sounds like we can translated it to the following problem:
Given a set of n numbers (1,..,n), what is t... | 0 | false | 2 | 5,702 |
2018-09-08 12:37:37.387 | error in missingno module import in Jupyter Notebook | Getting error in missingno module import in Jupyter Notebook . It works fine in IDLE . But showing "No missingno module exist" in Jupyter Notebook . Can anybody tell me how to resolve this ? | Installing missingno through anaconda solved the problem for me | 0.545705 | false | 2 | 5,703 |
2018-09-08 12:37:37.387 | error in missingno module import in Jupyter Notebook | Getting error in missingno module import in Jupyter Notebook . It works fine in IDLE . But showing "No missingno module exist" in Jupyter Notebook . Can anybody tell me how to resolve this ? | This command helped me:
conda install -c conda-forge/label/gcc7 missingno
You have to make sure that you run Anaconda prompt as Administrator. | 0.386912 | false | 2 | 5,703 |
2018-09-08 18:25:29.300 | Lazy loading with python and flask | I’ve build a web based data dashboard that shows 4 graphs - each containing a large amount of data points.
When the URL endpoint is visited Flask calls my python script that grabs the data from a sql server and then starts manipulating it and finally outputs the bokeh graphs.
However, as these graphs get larger/there ... | I had the same problem as you. The problem with any kind of flask render is that all data is processed and passed to the page (i.e. client) simultaneously, often at large time cost. Not only that, but the the server web process is quite heavily loaded.
The solution I was forced to implement as the comment suggested was... | 0.995055 | false | 1 | 5,704 |
2018-09-09 08:36:10.063 | I can't import tkinter in pycharm community edition | I've been trying for a few days now, to be able to import the library tkinter in pycharm. But, I am unable to do so.
,I tried to import it or to install some packages but still nothing, I reinstalled python and pycharm again nothing. Does anyone know how to fix this?
I am using pycharm community edition 2018 2.3 and py... | Thanks to vsDeus for asking this question. I had the same problem running Linux Mint Mate 19.1 and nothing got tkinter and some other modules working in Pycharm CE. In Eclipse with Pydev all worked just fine but for some reason I would rather work in Pycharm when coding than Eclipse.
The steps outlined here did not wor... | 0 | false | 1 | 5,705 |
2018-09-10 11:25:39.227 | how to use Tensorflow seq2seq.GreedyEmbeddingHelper first parameter Embedding in case of using normal one hot vector instead of embedding? | I am trying to decode one character (represented as c-dimensional one hot vectors) at a time with tensorflow seq2seq model implementations. I am not using any embedding in my case.
Now I am stuck with tf.contrib.seq2seq.GreedyEmbeddingHelper. It requires "embedding: A callable that takes a vector tensor of ids (argmax... | embedding = tf.Variable(tf.random_uniform([c-dimensional ,
EMBEDDING_DIM]))
here you can create the embedding for you own model.
and this will be trained during your training process to give a vector for your own input.
if you don't want to use it you just can create a matrix where is every column of it is one hot vect... | 0 | false | 1 | 5,706 |
2018-09-10 11:43:29.133 | one server, same domain, different apps (example.com/ & example.com/tickets )? | I want advice on how to do the following:
On the same server, I want to have two apps. One WordPress app and one Python app. At the same time, I want the root of my domain to be a static landing page.
Url structure I want to achieve:
example.com/ => static landing page
example.com/tickets => wordpress
example.com/py... | It depends on the webserver you want to use. Let's go with apache as it is one of the most used web servers on the internet.
You install your wordpress installation into the /tickets subdirectory and install word-press as you normally would. This should install wordpress into the subdirectory.
Configure your Python-WS... | 0.201295 | false | 1 | 5,707 |
2018-09-12 02:15:34.913 | How to saving plots and model results to pdf in python? | I know how to save model results to .txt files and saving plots to .png. I also found some post which shows how to save multiple plots on a single pdf file. What I am looking for is generating a single pdf file which can contain both model results/summary and it's related plots. So at the end I can have something like ... | I’ve had good results with the fpdf module. It should do everything you need it to do and the learning curve isn’t bad. You can install with pip install fpdf. | 0 | false | 1 | 5,708 |
2018-09-12 06:55:00.637 | Error configuring: unknown option "-ipadx" | I want to add InPadding to my LabelFrame i'm using AppJar GUI. I try this:
self.app.setLabelFrameInPadding(self.name("_content"), [20, 20])
But i get this error:
appJar:WARNING [Line 12->3063/configureWidget]: Error configuring _content: unknown option "-ipadx"
Any ideas how to fix it? | Because of the way containers are implemented in appJar, padding works slightly differently for labelFrames.
Try calling: app.setLabelFramePadding('name', [20,20]) | 0 | false | 1 | 5,709 |
2018-09-12 13:04:34.793 | Two flask Apps same domain IIS | I want to deploy same flask application as two different instances lets say sandbox instance and testing instance on the same iis server and same machine. having two folders with different configurations (one for testing and one for sandbox) IIS runs whichever is requested first. for example I want to deploy one under ... | been stuck for a week before asking this question and the neatest way I found was to assign each app a different app pool and now they are working together side by side happily ever after. | 1.2 | true | 1 | 5,710 |
2018-09-13 06:51:37.370 | Sharing PonyORM's db session across different python module | I initially started a small python project (Python, Tkinter amd PonyORM) and became larger that is why I decided to divide the code (used to be single file only) to several modules (e.g. main, form1, entity, database). Main acting as the main controller, form1 as an example can contain a tkinter Frame which can be used... | Probably you import your modules in a wrong order. Any module which contains entity definitions should be imported before db.generate_mapping() call.
I think you should call db.generate_mapping() right before entering tk.mainloop() when all imports are already done. | 1.2 | true | 1 | 5,711 |
2018-09-13 08:55:49.327 | Python3 - How do I stop current versions of packages being over-ridden by other packages dependencies | Building Tensorflow and other such packages from source and especially against GPU's is a fairly long task and often encounters errors, so once built and installed I really dont want to mess with them.
I regularly use virtualenvs, but I am always worried about installing certain packages as sometimes their dependencie... | Is there a way that if I attempt to pip install a package, it first checks against current package versions and doesn't continue before I agree to those changes?
No. But pip install doesn't touch installed dependencies until you explicitly run pip install -U. So don't use -U/--upgrade option and upgrade dependencies w... | 0 | false | 1 | 5,712 |
2018-09-14 02:32:31.807 | how do I connect sys.argv into my float value? | I must use "q" (which is a degree measure) from the command line and then convert "q" to radians and have it write out the value of sin(5q) + sin(6q). Considering that I believe I have to use sys.argv's for this I have no clue where to even begin | you can use following commands
q=sys.argv[1] #you can give the decimal value too in your command line
now q will be string eg. "1.345" so you have convert this to float[ using
function q=float(q) . | 0 | false | 1 | 5,713 |
2018-09-14 10:30:59.240 | Scrapy: Difference between simple spider and the one with ItemLoader | I've been working on scrapy for 3 months. for extracting selectors I use simple response.css or response.xpath..
I'm asked to switch to ItemLoaders and use add_xpath add_css etc.
I know how ItemLoaders work and ho convinient they are but can anyone compare these 2 w.r.t efficiency? which way is efficient and why ?? | Item loaders do exactly the same thing underneath that you do when you don't use them. So for every loader.add_css/add_xpath call there will be responce.css/xpath executed. It won't be any faster and the little amount of additional work they do won't really make things any slower (especially in comparison to xml parsin... | 0 | false | 1 | 5,714 |
2018-09-15 01:56:10.107 | Possible to get a file descriptor for Python's StringIO? | From a Python script, I want to feed some small string data to a subprocess, but said subprocess non-negotiably accepts only a filename as an argument, which it will open and read. I non-negotiably do not want to write this data to disk - it should reside only in memory.
My first instinct was to use StringIO, but I rea... | Reifying @user4815162342's comment as an answer:
The direct way to do this is:
pass /dev/stdin as the file argument to the process;
use stdin=subprocess.PIPE;
finally, Popen.communicate(<your input>) to feed the desired contents | 0.673066 | false | 1 | 5,715 |
2018-09-17 15:44:04.130 | how to modify txt file properties with python | I am trying to make a python program that creates and writes in a txt file.
the program works, but I want it to cross the "hidden" thing in the txt file's properties, so that the txt can't be seen without using the python program I made. I have no clues how to do that, please understand I am a beginner in python. | I'm not 100% sure but I don't think you can do this in Python. I'd suggest finding a simple Visual Basic script and running it from your Python file. | 0 | false | 1 | 5,716 |
2018-09-18 15:03:23.547 | How can I run code for a certain amount of time? | I want to play a sound (from a wav file) using winsound's winsound.PlaySound function. I know that winsound.Beep allows me to specify the time in milliseconds, but how can I implement that behavior with winsound.PlaySound?
I tried to use the time.sleep function, but that only delays the function, not specifies the amo... | Create a thread to play the sound, start it. Create a thread that sleeps the right amount of time and has a handle to the first thread. Have the second thread terminate the first thread when the sleep is over. | 1.2 | true | 1 | 5,717 |
2018-09-18 16:35:17.860 | Do I need two instances of python-flask? | I am building a web-app. One part of the app calls a function that starts a tweepy StreamListener on certain track. That functions process a tweet and then it writes a json object to a file or mongodb.
On the other hand I need a process that is reading the file or mongodb and paginates the tweet if some property is in ... | You can certainly do it with a thread or spinning up a new process that will perform the pagination.
Alternatively you can look into a task queue service (Redis queue, celery, as examples). Your web-app can add a task to this queue and your other program can listen to this queue and perform the pagination tasks as they... | 0 | false | 1 | 5,718 |
2018-09-19 22:34:46.480 | Celery - how to stop running task when using distributed RabbitMQ backend? | If I am running Celery on (say) a bank of 50 machines all using a distributed RabbitMQ cluster.
If I have a task that is running and I know the task id, how in the world can Celery figure out which machine its running on to terminate it?
Thanks. | I am not sure if you can actually do it, when you spawn a task you will have a worker, somewhere in you 50 boxes, that executes that and you technically have no control on it as it s a separate process and the only thing you can control is either the asyncResult or the amqp message on the queue. | 0 | false | 1 | 5,719 |
2018-09-19 23:16:35.920 | how to run periodic task in high frequency in flask? | I want my flask APP to pull updates from a local txt file every 200ms, is it possible to do that?
P.S. I've considered BackgroundScheduler() from apschedulerler, but the granularity of is 1s. | Couldn't you just start a loop in a thread that sleeps for 200 ms before the next iteration? | 0.201295 | false | 1 | 5,720 |
2018-09-20 06:14:37.797 | How to search for all existing mongodbs for single GET request | Suppose I have multiple mongodbs like mongodb_1, mongodb_2, mongodb_3 with same kind of data like employee details of different organizations.
When user triggers GET request to get employee details from all the above 3 mongodbs whose designation is "TechnicalLead". then first we need to connect to mongodb_1 and search ... | First of all, it is not a recommended way to run multiple instances (especially when the servers might be running at the same time) as it will lead to usage of the same config parameters like for example logpath and pidfilepath which in most cases is not what you want.
Secondly for getting the data from multiple mongod... | 0 | false | 1 | 5,721 |
2018-09-20 17:05:30.047 | python asyncronous images download (multiple urls) | I'm studying Python for 4/5 months and this is my third project built from scratch, but im not able to solve this problem on my own.
This script downloads 1 image for each url given.
Im not able to find a solution on how to implement Thread Pool Executor or async in this script. I cannot figure out how to link the url ... | I found the solution in the book fluent python. Here the snippet:
def download_many(cc_list, base_url, verbose, concur_req):
counter = collections.Counter()
with futures.ThreadPoolExecutor(max_workers=concur_req) as executor:
to_do_map = {}
for cc in sorted(cc_list):
... | 1.2 | true | 1 | 5,722 |
2018-09-23 11:46:47.050 | How to put a list of arbitrary integers on screen (from lowest to highest) in pygame proportionally? | Let's say I have a list of 887123, 123, 128821, 9, 233, 9190902. I want to put those strings on screen using pygame (line drawing), and I want to do so proportionally, so that they fit the screen. If the screen is 1280x720, how do I scale the numbers down so that they keep their proportions to each other but fit the sc... | I used this algorithm: x = (x / (maximum value)) * (720 - 1) | 0.386912 | false | 1 | 5,723 |
2018-09-23 16:36:12.867 | Python3.6 and singletons - use case and parallel execution | I have several unit-tests (only python3.6 and higher) which are importing a helper class to setup some things (eg. pulling some Docker images) on the system before starting the tests.
The class is doing everything while it get instantiate. It needs to stay alive because it holds some information which are evaluated dur... | I can only given an answer on the "are there other options for me" part of your question...
The use of such a complex setup for unit-tests (pulling docker images etc.) makes me suspicious:
It can mean that your tests are in fact integration tests rather than unit-tests. Which could be perfectly fine if your goal is to... | 0 | false | 1 | 5,724 |
2018-09-24 09:39:59.467 | How to increase the error limit in flake8 and pylint VS Code? | As mentioned above I would like to know how I can increase the no of errors shown in flake8 and pylint. I have installed both and they work fine when I am working with small files. I am currently working with a very large file (>18k lines) and there is no error highlighting done at the bottom part of the file, I believ... | Can use "python.linting.maxNumberOfProblems": 2000 to increase the no of problems being displayed but the limit seems to be set to 1001 so more than 1001 problems can't be displayed. | 0 | false | 1 | 5,725 |
2018-09-24 11:25:27.520 | Knowledge graph in python for NLP | how do I build a knowledge graph in python from structured texts? Do I need to know any graph databases? Any resources would be of great help. | Knowledge Graph (KG) is just a virtual representation and not an actual graph stored as it is.
To store the data you can use any of the present databases like SQL, MongoDB, etc. But to benefit the fact that we are storing graphs here, I'll suggest better use graph-based databases like node4js. | 0 | false | 1 | 5,726 |
2018-09-25 08:12:35.473 | How to view Opendaylight topology on external webgui | I'm exploring ODL and mininet and able to run both and populate the network nodes over ODL and I can view the topology via ODL default webgui.
I'm planning to create my own webgui and to start with simple topology view. I need advise and guideline on how I can achieve topology view on my own webgui. Plan to use python ... | If a web GUI for ODL would provide value for you, please consider working to contribute that upstream. The previous GUI (DLUX) has recently been deprecated because no one was supporting it, although it seems many people were using it. | 0 | false | 1 | 5,727 |
2018-09-26 04:22:21.250 | Python3, calling super's __init__ from a custom exception | I have created custom exception in python 3 and the over all code works just fine. But there is one thing I am not able to wrap my head around is that why do I need to send my message to the Exception class's __init__() and how does it convert the Custom exception into that string message when I try to print the except... | This is so that your custom exceptions can start off with the same instance attributes as a BaseException object does, including the value attribute, which stores the exception message, which is needed by certain other methods such as __str__, which allows the exception object to be converted to a string directly. You... | 0.386912 | false | 1 | 5,728 |
2018-09-26 21:19:30.580 | Interpreter problem (apparently) with a project in PyCharm | I recently upgraded PyCharm (community version). If it matters, I am running on a Mac OSX machine. After the upgrade, I have one project in which PyCharm cannot find any python modules. It can't find numpy, matplotlib, anything ... I have checked a couple of other projects and they seem to be fine. I noticed that ... | It seems, when you are creating a new project, you also opt to create a new virtual environment, which then is created (default) in that venv sub-directory.
But that would only apply to new projects, what is going on with your old projects, changing their project interpreter environment i do not understand.
So what i w... | 1.2 | true | 2 | 5,729 |
2018-09-26 21:19:30.580 | Interpreter problem (apparently) with a project in PyCharm | I recently upgraded PyCharm (community version). If it matters, I am running on a Mac OSX machine. After the upgrade, I have one project in which PyCharm cannot find any python modules. It can't find numpy, matplotlib, anything ... I have checked a couple of other projects and they seem to be fine. I noticed that ... | Your project is most likely pointing to the wrong interpreter. E.G. Using a virtual environment when you want to use a global one.
You must point PyCharm to the correct interpreter that you want to use.
"File/Settings(Preferences On Mac)/Project: ... /Project Interpreter" takes you to the settings associated with the i... | 0.201295 | false | 2 | 5,729 |
2018-09-27 04:54:42.700 | how can i check all the values of dataframe whether have null values in them without a loop | if all(data_Window['CI']!=np.nan):
I have used the all() function with if so that if column CI has no NA values, then it will do some operation. But i got syntax error. | This gives you all a columns and how many null values they have.
df = pd.DataFrame({0:[1,2,None,],1:[2,3,None])
df.isnull().sum() | 0 | false | 1 | 5,730 |
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