text stringlengths 0 30.5k | title stringclasses 1
value | embeddings listlengths 768 768 |
|---|---|---|
you can change the state of the outer class as well as use its methods.
Gilad Bracha (one of the main java language designers) wrote a [paper](http://bracha.org/dyla.pdf) discussing that.
So, suppose you want to share some methods for internal use between some unrelated classes (e.g, for string manipulation), you ca... | [
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0.10246556997299... | |
imports (from java 5 on). Great question for job interviews and pub quizzes, though ;-) | [
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-0.341444820... | |
I administrate several Oracle Apps environment, and currently check profile options in lots of environments by loading up forms in each environment, and manually checking each variable, which requires a lot of time.
Is there a snippet of code which will list profile options and at what level and who they are applied t... | [
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I intend to use **RADIX / MTRIE** as my preferred data-structure for a routing implementation.
Is there a decent open source implementation available (apart from freebsd-net) which I can use for my purpose, or do I need to write one myself?
There is a radix-tree implementation available under the GNU General Public L... | [
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And if you do, can you give some background information on the implementation and the reasons for implementing this pattern?
The pattern is described in more detail in these articles:
* [Microsoft Inductive User Interface
Guidelines](http://msdn.microsoft.com/en-us/library/ms997506.aspx)
* [IUIs and Web-Style
Navigat... | [
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our home page include thing like "Create new user", "Create new department" - rather then the user having to discover how to do this by clicking through a series of menus. Since the inductive interface is more similar to a web-browser (hypertext links, back/forward buttons) it seems much easier for new users to learn. | [
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What are the pros / cons of using `pthread_cond_wait` or using a semaphore ?
I am waiting for a state change like this :
```
pthread_mutex_lock(&cam->video_lock);
while(cam->status == WAIT_DISPLAY) {
pthread_cond_wait(&cam->video_cond, &cam->video_lock);
}
pthread_mutex_unlock(&cam->video_lock);
```
Using a prop... | [
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is waiting on it yet, then when they do wait they continue immediately. If your problem is such that it can be explained in terms of the count value of a semaphore, then it should be easy to solve with a semaphore.
A condition variable is a bit more forgiving in some respects. You can for example use cond\_broadcast t... | [
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It is also why the listener should always check the state with the mutex held before waiting - if they don't then they can miss a signal and not wake up until the next one (which could be never).
So a condition variable is suitable for notifying interested parties that state has changed: you acquire the mutex, change ... | [
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found the state they want, and if not wait again.
It's very gnarly indeed to attempt this sort of thing with a mutex and a semaphore. The problem comes when you want to take the mutex, check some state, then wait on the semaphore for changes. Unless you can atomically release the mutex and wait on the semaphore (which... | [
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0.448509126901626... | |
a way which depends on your specific requirements. And maybe another semaphore. The result is generally incorrect code with harmful race conditions.
Condition variables escape this problem, because calling cond\_wait automatically releases the mutex, freeing it for use by others. The mutex is regained before cond\_wai... | [
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with semaphores. Plus of course mutexes can have nice behaviours that semaphores lack, principally priority-inversion avoidance. | [
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I need to be able to quickly convert an image (inside a rails controller) so that the hosting company using managing our application can quickly test at any time to ensure that rmagick is not only successfully installed, but can be called throgh the rails stiack, what is the quickest clean code I can use to do this?
I ... | [
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0.2231934666633606,
0.7093487977981567,
-0.10516182333230972,
0.027648791670799... | |
'RMagick'
def rmagick
images_path = "public/images"
file_name = "rmagick_generated_thumb.jpg"
file_path = images_path + "/"+ file_name
File.delete file_path if File.exists? file_path
img = Magick::Image.read("lib/sample_images/magic.jpg").first
thumb = img.scale(0.25)
@path = file_name
... | [
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I'm really interested to hear what you think about Model-driven Software Development for Java and/or .NET.
Does it save time? Does it improve quality?
I am using MDSD in a project with IBM Rational Rhapsody for C++. The model is pretty close to UML, so there we do not really have a Domain-Specific-Language. But still ... | [
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-0.0922104790806... | |
architecture, because a developer is stuck in details. With MDSD, I see a tendency in my work, to solve problems with adequate sized classes, nice patterns, or simply better code.
b) Big picture documentation of the SW tends to be better with MDSD. Of course, there are tools that automatically generate a class diagram... | [
0.3677072823047638,
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0.101091817021369... | |
to deal with an inherent system complexity. I would say, some systems are just too complex to be built without support from computer-aided design. Nobody would design a CPU without the help of huge SW tools. Use SW to help you write even more complex SW.
d) Using MDSD helps to adhere to coding style guidelines. There ... | [
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0.1398513168096542... | |
it may be difficult to include external libraries to a project. So either you live with the fact, that your system is based on external components or you reinvent the wheel to get it into your model.
e) Modelling tools might suffer from problems using versioning tools. Source code is usually simpler to merge than a mo... | [
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-0.6428173184394836,
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0.5576725006103516,
-0.2165849357843399,
0.162606909... | |
For best performance, is it better to use a virtual IDE HDD or virtual SCSI HDD?
If, SCSI, does it matter whether you use an BusLogic or LSILogic?
Go for the SCSI and LSILogic. IDE and BusLogic are for compatibility reasons. Like when you do physical2virtual...
There's a whitepaper from vmware showing the difference b... | [
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-1.0632123947143555,
-0.047922588884830475,
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-0.04935876652598381,
-0.055886... | |
With Hibernate, can you create a composite ID where one of the columns you are mapping to the ID can have null values?
This is to deal with a legacy table that has a unique key which can have null values but no primary key.
I realise that I could just add a new primary key column to the table, but I'm wondering if th... | [
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-0.4666014015674591,
-0.057390701... | |
I have a workbook with 20 different pivot tables. Is there any easy way to find all the pivot tables and refresh them in VBA?
Yes.
```
ThisWorkbook.RefreshAll
```
Or, if your Excel version is old enough,
```
Dim Sheet as WorkSheet, Pivot as PivotTable
For Each Sheet in ThisWorkbook.WorkSheets
For Each Pivot in ... | [
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-0.0090348888188... | |
I'm trying to create a Zip file from .Net that can be read from Java code.
I've used SharpZipLib to create the Zip file but also if the file generated is valid according to the CheckZip function of the #ZipLib library and can be successfully uncompressed via WinZip or WinRar I always get an error when trying to uncomp... | [
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0.30359748005867004,
0.5084786415100098,
-0.26663821935653687,
0.050110492... | |
of compressing a Zip file with .Net and de-compressing it with the Java.Utils.Zip class?
Regards
Massimo
I have used [DotNetZip library](http://www.codeplex.com/DotNetZip) and it seems to work properly. Typical code:
```
using (ZipFile zipFile = new ZipFile())
{
zipFile.AddDirectory(sourceFolderPath);
zipFile.Sav... | [
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-0.6968544125556946,
-0.1506209373474... | |
What is the difference, what is the official terms, are any terms obsolete in ASP.NET 3.5?
**UserControl**: A custom control, ending in .ascx, that is composed of other web controls. Its almost like a small version of an aspx webpage. It consists of a UI (the ascx) and codebehind. Cannot be reused in other projects by ... | [
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-0.6498070359230042,
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0.0014148447662591934,
-0.2819206118583679,
0.0039180582... | |
directly. They can be reused in other applications by referencing their DLLs.
**RenderedControl**: Does not exist. May be synonymous to WebControl. Might indicate the control is written directly to the HttpResponse rather than rendered to an aspx page.
**[CompositeControl](http://msdn.microsoft.com/en-us/library/aa47... | [
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-0.3915809094905853,
-0.24471677839... | |
Under what circumstances might you want to use multiple indirection (that is, a chain of pointers as in `Foo **`) in C++?
Most common usage as @aku pointed out is to allow a change to a pointer parameter to be visible after the function returns.
```
#include <iostream>
using namespace std;
struct Foo {
int a;
};... | [
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0.48475706577301025,
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-0.3360605537891388,
0.5173425674438477,
-0.636162519454956,
0.04834155365824699... | |
return 0;
}
```
This will print
```
12
```
But there are several other useful usages as in the following example to iterate an array of strings and print them to the standard output.
```
#include <iostream>
using namespace std;
int main(int argc, char* argv[])
{
const char* words[] = { "first", "second", NU... | [
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0.6590522527694702,
-0.4753187894821167,
-0.14118851721286... | |
When viewing someone else's webpage containing an applet, how can I force Internet Explorer 6.0 to use a a particular JRE when I have several installed?
If you mean when you are not the person writing the web page, then you could disable the add ons you do not wish to use with the [Manage Add-Ons](http://windowsxp.mvps... | [
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0.7678552865982056,
-0.37809649109840393,
-0.0287575758... | |
How do I suspend a whole process (like the Process Explorer does when I click Suspend) in C#.
I'm starting the Process with Process.Start, and on a certain event, I want to suspend the process to be able to do some investigation on a "snapshot" of it.
Here's my suggestion:
```
[Flags]
public enum ThreadAccess : ... | [
0.44111281633377075,
-0.29957637190818787,
0.6847707033157349,
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0.0771310105919838,
0.22064970433712006,
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0.092190682888031,
-0.4117330014705658,
0.4285871386528015,
-0.43724730610847473,
0.3167228102684021... | |
(0x0020),
QUERY_INFORMATION = (0x0040),
SET_THREAD_TOKEN = (0x0080),
IMPERSONATE = (0x0100),
DIRECT_IMPERSONATION = (0x0200)
}
[DllImport("kernel32.dll")]
static extern IntPtr OpenThread(ThreadAccess dwDesiredAccess, bool bInheritHandle, uint dwThreadId);
[DllImport("kernel32.dl... | [
-0.1085115298628807,
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1.0442068576812744,
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0.38478073477745056,
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-0.09799565374851227,
-0.6291483640670776,
0.632434070110321,
-0.5364631414413452,
0.36433783173561... | |
process = Process.GetProcessById(pid); // throws exception if process does not exist
foreach (ProcessThread pT in process.Threads)
{
IntPtr pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)pT.Id);
if (pOpenThread == IntPtr.Zero)
{
continue;
}
SuspendThread(pOpenThread)... | [
0.10538939386606216,
0.03218187019228935,
0.879951000213623,
-0.34758469462394714,
0.45834335684776306,
0.3531753420829773,
0.5060223937034607,
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-0.35686448216438293,
-0.4944518506526947,
0.5378523468971252,
-0.19216400384902954,
0.630396842956543,... | |
IntPtr.Zero)
{
continue;
}
var suspendCount = 0;
do
{
suspendCount = ResumeThread(pOpenThread);
} while (suspendCount > 0);
CloseHandle(pOpenThread);
}
}
``` | [
0.14037173986434937,
-0.2276834398508072,
0.8984434008598328,
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0.4980151057243347,
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0.021516665816307068,
-0.4763939380645752,
0.7304731607437134,
-0.16350767016410828,
0.2755925953388... | |
I want to develop some educational content, which I want to distribute to children using Adobe AIR. The content will contain videos. Now, from what I see, AIR will put the content onto the local file system, for anyone to see. I want to prevent this. Is there a way out?
One solution is to use DRM in conjunction with Fl... | [
0.6329862475395203,
0.33042627573013306,
0.43511834740638733,
0.464497447013855,
0.15135326981544495,
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-0.37585562467575073,
-0.30267223715782166,
0.5609136819839478,
0.020408347249031067,
-0.07497598230... | |
store or SQLite database (which adds encryption support in AIR 1.5), however, this probably wouldnt work well for large videos (performance issues), and you may still need to write it out to the file system first before playing (although temporarily).
mike chambers | [
0.5234249234199524,
0.5169129967689514,
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0.142347514629364,
0.5770759582519531,
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0.13011504709720612,
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-0.10281891375780106,
0.5326676368713379,
-0.7560385465621948,
-0.15989191830158234... | |
I am using git on a project, that generates lots of data-files (simulation-results).
I am "forced" to version and track all those results in the same repository. (This is a hard requirement and can not be changed)
However I don't need them. We have about 50 MB for the project and 5 GB results in the repository.
Is i... | [
0.47254058718681335,
0.05076616257429123,
0.09070204943418503,
0.26611313223838806,
0.18772771954536438,
0.06969959288835526,
0.22096846997737885,
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-0.6144611239433289,
-0.03142700716853142,
0.44110721349716187,
-0.04325783625245094,
0.427693665027... | |
better solution to get rid of those 5 GB for my work?
If you were to make a branch and delete the result files from the branch, then merging your branch back into master would also try to delete the results from master. A file delete is a change just like any other.
Perhaps you could use the git submodule support to m... | [
0.31954512000083923,
-0.2863674759864807,
0.19769389927387238,
0.2857106029987335,
0.06548304855823517,
0.09229516237974167,
0.24927271902561188,
-0.17407453060150146,
-0.5060412883758545,
-0.6018937230110168,
0.03794610872864723,
0.4180868864059448,
-0.0700041875243187,
0.4013647735118866... | |
work smoothly. | [
0.5810644030570984,
0.246378555893898,
0.040781162679195404,
0.25443121790885925,
-0.017141038551926613,
-0.3357497751712799,
0.37493497133255005,
0.3731268644332886,
0.18235689401626587,
-0.8164606094360352,
-0.4383052587509155,
0.5656313896179199,
0.13807162642478943,
-0.3882592320442199... | |
I'm trying to replace each `,` in the current file by a new line:
```
:%s/,/\n/g
```
But it inserts what looks like a `^@` instead of an actual newline. The file is not in DOS mode or anything.
What should I do?
If you are curious, like me, check the question *[Why is \r a newline for Vim?](https://stackoverflow.... | [
0.12210499495267868,
-0.08139842748641968,
0.5564994812011719,
-0.19409896433353424,
0.10044890642166138,
-0.0034005797933787107,
0.3097786605358124,
-0.0575331375002861,
-0.39534273743629456,
-0.6294671297073364,
-0.316767156124115,
0.6861473321914673,
-0.2655048668384552,
0.2259907871484... | |
matches an end of line (newline), whereas `\r` matches a carriage return. On the other hand, in substitutions `\n` inserts a null character whereas `\r` inserts a newline (more precisely, it’s treated as the input `CR`). Here’s a small, non-interactive example to illustrate this, using the Vim command line feature (in ... | [
0.00884256511926651,
0.04365261644124985,
0.4262073040008545,
-0.24313563108444214,
-0.12352593243122101,
0.3107497990131378,
0.2147345095872879,
-0.6684005856513977,
0.06363785266876221,
-0.4103241562843323,
-0.1786009967327118,
0.2959981858730316,
-0.5219919681549072,
0.2630290687084198,... | |
bar.
After:
0000000: 000a 720a ..r.
```
In other words, `\n` has inserted the byte 0x00 into the text; `\r` has inserted the byte 0x0a. | [
-0.1111365333199501,
0.5256572961807251,
0.4273415803909302,
-0.4517356753349304,
0.21510592103004456,
0.355524480342865,
0.10775547474622726,
-0.16324399411678314,
0.026500722393393517,
-0.5123047828674316,
-0.7595856189727783,
0.12698237597942352,
-0.2908197045326233,
0.04140433669090271... | |
I'm not sure if many people know about this text-editor?
jEdit was kinda big in 2004, but now, Notepad++ seems to have taken the lead(on Windows)
Many of the plugins haven't been updated since 2003 and the overal layout and usage is confusing...
I'm sure jEdit has many nifty features, but I'll be damned if I can find... | [
-0.28664830327033997,
0.1424766480922699,
0.45875707268714905,
-0.2140032798051834,
-0.5852316617965698,
-0.09874743968248367,
-0.03526850789785385,
0.012846560217440128,
-0.1391587108373642,
-0.7140320539474487,
0.1127009317278862,
0.9079437255859375,
-0.2041463404893875,
-0.1408988535404... | |
about everything except .NET stuff (for which I use Visual Studio).
I love it.
summary
-------
I use jEdit because it has the right balance for me of **ease of setting up** vs. **features** and **customisability**. For me, no other editor strikes quite as good a balance.
cons
----
* It can be a bit hard to make ... | [
0.5489318370819092,
0.12741199135780334,
0.12146775424480438,
0.07669910043478012,
-0.30857983231544495,
-0.17927828431129456,
0.058705445379018784,
0.1592656821012497,
-0.1607891321182251,
-0.7247190475463867,
-0.3073403537273407,
0.8260289430618286,
0.08052853494882584,
-0.47311714291572... | |
of what jEdit can do for you. (In fact, I suggest this for any software you use)
* It's cross-platform. I used it just on windows for a long time, but now I also use Ubuntu, and it works there: I can even copy the configuration files over from my windows machine, and everything works. Nice.
other editors
-------------... | [
0.07843868434429169,
-0.011664892546832561,
0.39217835664749146,
0.02673957496881485,
-0.37152084708213806,
0.106475830078125,
-0.10399424284696579,
-0.009004528634250164,
-0.10027450323104858,
-0.7620360255241394,
-0.059070885181427,
0.777149498462677,
-0.08746644109487534,
-0.28169080615... | |
very good), but in the end, jEdit comes out on top for me.
I also used **Eclipse** for a year or so. It's fantastic, and it'll do anything you want, *but* you have to be really into Eclipse to get the most out of it. | [
0.22902034223079681,
-0.19856716692447662,
0.32423853874206543,
0.1336948126554489,
-0.4156743288040161,
0.3263426721096039,
0.02935800515115261,
0.2615455389022827,
-0.003388555720448494,
-0.39304158091545105,
0.38115859031677246,
0.6693260073661804,
0.418030321598053,
0.04039653018116951... | |
We need to optimize the text rendering for a C# [Windows Forms](http://en.wikipedia.org/wiki/Windows_Forms) application displaying a large number of small strings in an irregular grid. At any time there can be well over 5000 cells visible that update 4 times per second. The font family and size is consistent across the... | [
0.24301186203956604,
-0.10473128408193588,
0.4972385764122009,
0.027399856597185135,
-0.10758358985185623,
0.20848584175109863,
-0.03289235755801201,
-0.37624531984329224,
-0.3566770553588867,
-1.0109273195266724,
0.004255249164998531,
0.33383679389953613,
-0.19110816717147827,
0.071773909... | |
but my main target is Windows XP. Articles promising great advances
under [WinFX](http://en.wikipedia.org/wiki/.NET_Framework_3.0#.NET_Framework_3.0) and [DirectX 10](http://en.wikipedia.org/wiki/DirectX#DirectX_10) aren't helpful here :-)
What's the best approach here? I'm not afraid of introducing a small C++/CLI l... | [
0.12412363290786743,
-0.02990000881254673,
0.5703310370445251,
0.05526214465498924,
-0.3956725597381592,
0.13829493522644043,
0.0021199355833232403,
0.050763584673404694,
-0.07154367119073868,
-0.833416223526001,
-0.1786300390958786,
0.602418065071106,
-0.12527115643024445,
-0.028561094775... | |
was about 6 times faster than GDI+ DrawString.
If you need to be a real speed demon, TextOut is faster than DrawText, but you'll have to take care of clipping and word-wrapping yourself. ExtTextOut supports clipping.
GDI rendering (TextRenderer) will be more consistent with other parts of Windows using GDI; GDI+ trie... | [
-0.4725956916809082,
-0.3855554461479187,
0.5391236543655396,
0.17766635119915009,
-0.6692736744880676,
0.01304851844906807,
0.5351803302764893,
-0.3436187207698822,
0.17086674273014069,
-0.8924983739852905,
0.038338735699653625,
0.8339840173721313,
-0.3174782693386078,
-0.5042296648025513... | |
Is it really advantageous to move to Rake from ant?
Anyone migrated from ant and find something monumental?
FYI: Current environment is Ant for J2ME builds
I would say yes, but I have a different perspective than a Java-environment guy, because I'm a .NET-environment guy. I had written and maintained a non-trivial bu... | [
0.13921251893043518,
0.00881137140095234,
0.08595698326826096,
0.054980069398880005,
-0.2118666023015976,
0.16621389985084534,
0.08693408966064453,
-0.022925013676285744,
-0.02619851380586624,
-0.7790802717208862,
0.38779494166374207,
0.5117604732513428,
-0.1401660144329071,
-0.05931337177... | |
if I get hit by a bus, they're stuck with it)
* It did not lend itself to refactoring or improvement - it was one of those 'touch-at-your-peril' things, you know?
* It needed custom C# tasks to be written to run the various tools the build needed (though to be fair, often these are written by the vendors)
In about a w... | [
0.3982689380645752,
-0.00031486767693422735,
0.31249627470970154,
0.0036075348034501076,
-0.3694029748439789,
0.24185964465141296,
0.5858917236328125,
0.4767117202281952,
-0.27292168140411377,
-0.4945681095123291,
0.1485195755958557,
0.08802831918001175,
0.050113677978515625,
-0.2585282027... | |
had it reviewed yet).
It benefits from:
- It's a new language, but a real language. My team-mates like learning new languages, and this, while a thin excuse, is still an excuse ;-) This might mitigate the bus-factor if I'm right.
- It's a short hop (I gather) from here to capistrano, the automated/remote/distributed... | [
0.3490164279937744,
0.011258871294558048,
0.5746183395385742,
0.22790634632110596,
0.6077297925949097,
0.13900093734264374,
0.43053701519966125,
0.5777323842048645,
-0.3423829972743988,
-0.598998486995697,
-0.15719759464263916,
0.45347729325294495,
0.2543714940547943,
-0.2904147207736969,
... | |
From question *[How to replace a character for a newline in Vim?](https://stackoverflow.com/questions/71323/how-to-replace-a-character-for-a-newline-in-vim)*. You have to use \r when replacing text for a newline, like this
```
:%s/%/\r/g
```
But when replacing end of lines and newlines for a character, you can do it... | [
0.20774361491203308,
-0.2671896517276764,
0.45945611596107483,
0.08032476156949997,
-0.023978395387530327,
-0.0012148405658081174,
0.15909114480018616,
-0.37319326400756836,
-0.0913311094045639,
-0.6775515079498291,
-0.2686048448085785,
0.6157676577568054,
-0.49516046047210693,
-0.19632418... | |
Let's assume we've got the following Java code:
```
public class Maintainer {
private Map<Enum, List<Listener>> map;
public Maintainer() {
this.map = new java.util.ConcurrentHashMap<Enum, List<Listener>>();
}
public void addListener( Listener listener, Enum eventType ) {
List<Listener> listen... | [
0.354951947927475,
0.05864271521568298,
0.4445810914039612,
-0.28437158465385437,
0.011527693830430508,
-0.16179561614990234,
0.5674020648002625,
-0.5361291170120239,
-0.36020734906196594,
-0.6627901196479797,
-0.34612715244293213,
0.8375076651573181,
-0.23918506503105164,
0.33630648255348... | |
listeners.add( listener );
}
}
```
This code snippet is nothing but a bit improved listener pattern where each listener is telling what type of event it is interested in, and the provided method maintains a concurrent map of these relationships.
Initially, I wanted this method to be called via my own annotation f... | [
0.4759456217288971,
0.10360842943191528,
0.14486649632453918,
-0.24509024620056152,
-0.10820744931697845,
-0.1022992953658104,
0.1689145714044571,
-0.16307857632637024,
-0.31239351630210876,
-0.3049241900444031,
0.1560649424791336,
0.5889073610305786,
-0.375103622674942,
0.0644125938415527... | |
achive is:
1. Define *Maintainer* class as a Spring bean.
2. Make it so that all sorts of listeners would be able to register themselves to *Maintainer* via XML by using *addListener* method. Spring doc nor Google are very generous in examples.
Is there a way to achieve this easily?
What would be wrong with doin... | [
0.2693205773830414,
-0.1018899604678154,
0.29809051752090454,
0.08660662174224854,
-0.29216206073760986,
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0.19525904953479767,
-0.29149383306503296,
0.18303819000720978,
0.015000199899077415,
-0.0265422984957695,
0.8659713864326477,
-0.33381858468055725,
0.006536730099... | |
than that, I'm not 100% clear on exactly what your difficulty is with Spring at the moment! :) | [
-0.07577042281627655,
-0.21089404821395874,
-0.10000446438789368,
0.20256167650222778,
-0.14833924174308777,
0.17345048487186432,
0.4899292588233948,
-0.0929117202758789,
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-0.08558715134859085,
0.19219407439231873,
0.329287052154541,
-0.07779420912265778,
-0.06218952685... | |
I've currently got a set of reports with a number of common functions sitting in code blocks within the .rdl files. This obviously presents a maintainability issue and I as wondering if anyone knew a way for these different reports to share a library of common code?
Ideally I'd like to have a .Net Assembly attached to... | [
0.7184188961982727,
0.14664949476718903,
0.22527602314949036,
0.2229737490415573,
-0.15751664340496063,
-0.09566840529441833,
0.09360945224761963,
-0.13859529793262482,
-0.3938175439834595,
-0.681031346321106,
0.08731933683156967,
0.5610111355781555,
-0.10495899617671967,
0.169817775487899... | |
Studio in the properties of the report, on the 'References' tab add the details for the assembly that contains the managed code. This code can be called from expressions within reports using the instance name that is specified.
This assembly can either be stored in the GAC or the PrivateAssemblies directory of Visual ... | [
0.8298396468162537,
0.2452555000782013,
-0.12679798901081085,
-0.02754336968064308,
-0.29918110370635986,
0.010832556523382664,
0.1338060051202774,
-0.2984805703163147,
-0.19828066229820251,
-0.4060046374797821,
-0.2892242968082428,
0.39237961173057556,
-0.07060642540454865,
-0.14464397728... | |
The [win32.perl.org](http://win32.perl.org/) web site provides references to several Perl distributions for MS Windows.
For a long time I have been using ActivePerl from
[ActiveState](http://www.activestate.com/) but recently I switched to
[Strawberry Perl](http://strawberryperl.com/).
IMHO The only advantage that ... | [
0.25284019112586975,
-0.09932349622249603,
0.3611743450164795,
-0.10575806349515915,
-0.3867652714252472,
0.02750936523079872,
0.24940204620361328,
0.2759481370449066,
-0.28088030219078064,
-0.3886358141899109,
0.12850874662399292,
0.5622943043708801,
-0.14785760641098022,
0.29500457644462... | |
core module, but they won't allow that. Thus, everybody who *doesn't* use Windows can use my code, but they can't do that with ActiveState's Perl.
ActiveState also has a very dodgy build system which often fails to report exactly why a module failed to build. I got so tired of emailing and asking for this information ... | [
0.6026507616043091,
0.3060075342655182,
0.23601533472537994,
-0.14559951424598694,
0.12733003497123718,
-0.08366914838552475,
0.602815568447113,
0.024776631966233253,
-0.07175475358963013,
-0.5811659693717957,
-0.1301785707473755,
0.44978347420692444,
-0.31968310475349426,
0.33662188053131... | |
on any operating system -- except those with ActiveState Perl. Support Strawberry Perl and just don't worry about ActiveState.
If ActiveState has fixed their build system and their 'no upgrade to core modules' policy, it's worth revisiting. | [
0.31269025802612305,
-0.024674365296959877,
0.1612628698348999,
0.025995343923568726,
-0.006466612685471773,
-0.07914069294929504,
0.43624040484428406,
0.575228214263916,
-0.20927196741104126,
-0.31808745861053467,
-0.29520222544670105,
0.41667088866233826,
-0.2851177155971527,
-0.05787714... | |
I have a database in ISO-8859-2 format, but I need to create XML in UTF-8. This means that I must encode the database before prinitng in UTF-8. I know very little about ASP.Net, so I'm hoping someone can help.
In PHP I would do something like this:
```
db_connect();
mysql_query("SET NAMES 'UTF8'");
mysql_query("SET c... | [
-0.0011883655097335577,
0.11119498312473297,
0.5329967737197876,
0.06545697897672653,
-0.20153722167015076,
-0.027038710191845894,
0.31205058097839355,
-0.36079710721969604,
-0.19300948083400726,
-0.738202691078186,
-0.01788783073425293,
0.4562743008136749,
-0.20835348963737488,
0.44226530... | |
while dbread.Read()
```
Where and how do I encode to UTF-8?
Assuming you have a value string in `str`, this is the pure-.NET way of doing this.
```
var encoding = System.Text.Encoding.GetEncoding("iso-8859-2");
var bytes = System.Text.Encoding.Convert(encoding, System.Text.Encoding.Default, encoding.GetBytes(str));... | [
0.1600281000137329,
0.12778815627098083,
0.37675848603248596,
-0.14539018273353577,
-0.10077395290136337,
-0.06644453853368759,
0.41183358430862427,
-0.26205626130104065,
0.13696298003196716,
-0.8011389970779419,
-0.40111032128334045,
0.4512978792190552,
-0.43397748470306396,
0.11099144071... | |
With this code I can show an animated gif while the server script is running:
```
function calculateTotals() {
$('#results').load('getResults.php', null, showStatusFinished);
showLoadStatus();
}
function showLoadStatus() {
$('#status').html('');
}
function showStatusFinished() {
$('#status').html('Fi... | [
0.2416008561849594,
-0.1738692969083786,
0.8407797813415527,
-0.0940767377614975,
0.025088168680667877,
0.04552726447582245,
0.2364918291568756,
-0.024828938767313957,
-0.18051820993423462,
-0.6673885583877563,
0.2771648168563843,
0.35037678480148315,
-0.09347157180309296,
-0.0247921571135... | |
Andrew's answer.
You would read the status like this:
```
function getStatus() {
$.getJSON("/status.php",{"session":0, "requestID":12345},
function(data) { //data is the returned JSON object from the server {name:"value"}
setStatus(data.status);
window.setTimeout("getStatus()",intervalInM... | [
0.030727164819836617,
-0.14097003638744354,
0.8971845507621765,
0.12192954123020172,
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0.37500473856925964,
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-0.3505150377750397,
0.1868227869272232,
-0.2829299867153168,
0.0474739521741867... | |
or performing an animation..)
For more information on $.getJSON see <http://docs.jquery.com/Ajax/jQuery.getJSON> | [
0.17095360159873962,
-0.20504212379455566,
0.08885972946882248,
0.3138415813446045,
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0.05782045051455498,
0.2526451349258423,
0.29622218012809753,
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-0.48819464445114136,
0.5382393002510071,
0.10980323702096939,
-0.46331116557121... | |
I'm building small web site in Java (Spring MVC with JSP views) and am trying to find best solution for making and including few reusable modules (like "latest news" "upcoming events"...).
So the question is: Portlets, tiles or some other technology?
If you are using Spring MVC, then I would recommend using Portlets. ... | [
-0.04488058015704155,
-0.2424803227186203,
0.4786362051963806,
0.2374860942363739,
-0.02212352119386196,
-0.41449040174484253,
-0.041897255927324295,
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-0.425584077835083,
-0.859219491481781,
-0.23045256733894348,
0.33578822016716003,
-0.12065305560827255,
-0.0140554495... | |
whole Spring application with dependency injection and the other benefits of using Spring.
A portlet controller is pretty much the same as a servlet controller, here is a simple example:
```
@RequestMapping("VIEW")
@Controller
public class NewsPortlet {
private NewsService newsService;
@Autowired
public... | [
0.08339273184537888,
-0.6601365804672241,
0.5536980628967285,
0.07817569375038147,
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-0.3217822015285492,
-0.4297438859939575,
-0.3748852014541626,
-0.3035734295845032,
0.5935934782028198,
-0.4722719192504883,
0.2694987058639... | |
}
}
```
Here, a NewsService will be automatically injected into the controller. The view method adds a List object to the model, which will be available as ${newsList} in the JSP. Spring will look for a view named news.jsp based on the return value of the method. The RequestMapping tells Spring that this contoller is... | [
0.07578030228614807,
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0.6793986558914185,
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0.0805027112364769,
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-0.31078898906707764,
0.48041877150535583,
-0.22958700358867645,
0.0903632566... | |
<property name="suffix" value=".jsp"/>
</bean>
```
If you want to simply embed the portlets in your existing application, the you can bundle a portlet container, such as [eXo](http://www.exoplatform.com), [Sun](https://portlet-container.dev.java.net/), or [Apache](http://portals.apache.org/pluto/). If you want to bui... | [
0.30655384063720703,
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0.625510036945343,
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0.009602266363799572,
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-0.848160982131958,
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0.3057727515697479,
-0.14844639599323273,
0.4813749492... | |
If I remove all the ' characters from a SQL query, is there some other way to do a SQL injection attack on the database?
How can it be done? Can anyone give me examples?
Yes, there is. An excerpt from [Wikipedia](http://en.wikipedia.org/wiki/SQL_injection)
`"SELECT * FROM data WHERE id = " + a_variable + ";"`
It is ... | [
0.20785082876682281,
0.04259476438164711,
-0.010569315403699875,
-0.20733392238616943,
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0.1779165416955948,
0.3549327552318573,
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0.013550451956689358,
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-0.2254500389099121,
0.5240792632102966,
-0.520350992679596,
0.163734957575... | |
to
`1;DROP TABLE users`
will drop (delete) the "users" table from the database, since the SQL would be rendered as follows:
`SELECT * FROM DATA WHERE id=1;DROP TABLE users;`
SQL injection is *not* a simple attack to fight. I would do very careful research if I were you. | [
0.3554108738899231,
0.03594280406832695,
0.2194700688123703,
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0.1081809401512146,
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0.0986174419522285... | |
I have to read data from some files and insert the data into different tables in a database. Is Unix shell script powerful enough to do the job?
Is it easy to do the job in shell script or should I go about doing this in Java?
If the data you are trying to import is in a reasonable format -- comma-delimited, for examp... | [
0.2312595695257187,
0.1317107081413269,
0.4732934534549713,
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0.05295787379145622,
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0.015574310906231403,
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0.055941250175237656,
-0.500831663608551,
0.02399381995201111,
0.7933477759361267,
-0.08294647932052612,
-0.078392200171... | |
--ignore-lines=1 \
--fields-optionally-enclosed-by='"' < datafile.txt
```
Passing the data through perl/sed/awk one-liners can help with getting it in the proper format, and the shell script can easily handle prompting for filenames, handling arguments, etc.
Using the various command-line tools provided by Unix ... | [
0.26773327589035034,
0.08262860774993896,
0.25444915890693665,
-0.13571128249168396,
-0.18122214078903198,
-0.1681179404258728,
0.1529422551393509,
-0.05248146876692772,
-0.35882481932640076,
-0.40264061093330383,
-0.3123798668384552,
0.829508900642395,
-0.16231653094291687,
-0.19902808964... | |
I have 16,000 jpg's from a webcan screeb grabber that I let run for a year pointing into the back year. I want to find a way to grab every 4th image so that I can then put them into another directory so I can later turn them into a movie. Is there a simple bash script or other way under linux that I can do this.
They ... | [
0.4265983998775482,
0.22522325813770294,
0.8527037501335144,
0.1599792093038559,
-0.29289254546165466,
0.24840512871742249,
0.3129412829875946,
-0.025966357439756393,
-0.595085084438324,
-0.29944369196891785,
0.07179182767868042,
0.2888341248035431,
-0.036831311881542206,
0.150031149387359... | |
(nr % 10 == 0) print $0}') ../newdirectory/
Which appears to have copied the images. 70-900 per day from the looks of it.
Now I'm running
mencoder mf://\*.jpg -mf w=640:h=480:fps=30:type=jpg -ovc lavc -lavcopts vcodec=msmpeg4v2 -nosound -o ../output-msmpeg4v2.avi
I'll let you know how the movie works out.
UPDATE: ... | [
0.1821637600660324,
0.20016495883464813,
0.573919415473938,
0.1882098764181137,
-0.01833387464284897,
0.04382399097084999,
0.5593138337135315,
-0.4475509822368622,
-0.4468042850494385,
-0.4842950105667114,
-0.18885819613933563,
0.7010160684585571,
-0.22638726234436035,
0.012478082440793514... | |
q r s t u v w x y z
$ mv $(ls | awk '{nr++; if (nr % 4 == 0) print $0}') destdir
``` | [
0.028038613498210907,
0.0774574726819992,
0.5238540768623352,
-0.41087964177131653,
-0.005818732548505068,
0.35773956775665283,
0.5978181958198547,
-0.4820515215396881,
-0.04779575392603874,
-0.22951561212539673,
-0.3682100176811218,
0.6084574460983276,
-0.2933485209941864,
0.5246691107749... | |
I'm teaching (or trying to teach) computer programming to a grad-student. Her previous experience amounts to little more than writing spreadsheet formulae. Which IDE or text editor should I recommend?
Please bear in mind that:
* I only meet my student about once a week.
* She uses Windows and I use Linux.
* She doesn... | [
0.30218034982681274,
0.1347070336341858,
0.14189571142196655,
0.4730234444141388,
0.13202551007270813,
0.1755395531654358,
0.09061122685670853,
0.4028454124927521,
-0.1993912011384964,
-0.523534893989563,
-0.09214069694280624,
0.3405153155326843,
0.40352174639701843,
-0.12166290730237961,
... | |
find a way to give my student adequate support for *Notepad++* (e.g. by running it under *Wine*) or if I think that she can manage without support from me, then I'll recommend that. If not, I'll go for *jEdit*.
Apologies, once again, to those who saw the question before I got around to listing the languages that I'm t... | [
-0.046629153192043304,
0.08342056721448898,
-0.042109403759241104,
-0.19451484084129333,
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0.20109869539737701,
0.5860645174980164,
0.058012705296278,
-0.000041645223973318934,
-0.843336284160614,
-0.10061662644147873,
0.8026711344718933,
0.28503507375717163,
-0.36729431... | |
The problem: I have a class which contains a template method `execute` which calls another method `_execute`. Subclasses are supposed to overwrite `_execute` to implement some specific functionality. This functionality should be documented in the docstring of `_execute`.
Advanced users can create their own subclasses ... | [
0.2552710473537445,
0.11142250895500183,
0.009216205216944218,
-0.05028509348630905,
0.20923124253749847,
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0.2899273633956909,
-0.2512964606285095,
-0.17695195972919464,
-0.5838600397109985,
0.014081998728215694,
0.5542035698890686,
-0.36082199215888977,
0.3552212715148... | |
Any ideas how this might be done?
I was thinking of metaclasses to do this, to make this completely transparent to the user.
Well, if you don't mind copying the original method in the subclass, you can use the following technique.
```
import new
def copyfunc(func):
return new.function(func.func_code, func.func_g... | [
0.1389523446559906,
0.0357716903090477,
0.24158547818660736,
-0.019352642819285393,
0.2170906662940979,
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0.08389110863208771,
-0.12708674371242523,
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-0.5989031791687012,
-0.04119783639907837,
0.8254786133766174,
-0.4690256118774414,
0.29719701409... | |
if key[0] == '_':
skey = key[1:]
for base in bases:
original = getattr(base, skey, None)
if original is not None: | [
0.02321811579167843,
-0.22780518233776093,
0.35936036705970764,
0.030880998820066452,
0.162244975566864,
-0.042124420404434204,
0.16680090129375458,
-0.479979932308197,
-0.1783238798379898,
-0.02958020195364952,
-0.6870087385177612,
0.16220292448997498,
-0.21242743730545044,
-0.07601587474... | |
copy = copyfunc(original)
copy.__doc__ = attrs[key].__doc__
attrs[skey] = copy
break | [
0.05384427309036255,
0.4348072111606598,
0.1831115484237671,
0.1520775705575943,
0.43278294801712036,
-0.2686096131801605,
-0.00015258442726917565,
-0.01058619562536478,
-0.4665924608707428,
-0.10672572255134583,
-0.41941359639167786,
0.663284182548523,
-0.4726487994194031,
0.3565002083778... | |
return type.__new__(meta, name, bases, attrs)
class Class(object):
__metaclass__ = Metaclass
def execute(self):
'''original doc-string'''
return self._execute()
class Subclass(Class):
def _execute(self):
'''sub-class doc-string'''
pass
``` | [
-0.14692026376724243,
-0.023285480216145515,
0.31961551308631897,
-0.19171053171157837,
0.06167539581656456,
0.10010571777820587,
0.49653536081314087,
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-0.45700395107269287,
-0.3377349376678467,
0.5648253560066223,
-0.464598149061203,
0.18379218876... | |
Does anyone know if the Infragistics UltraGrid control provides functionality similar to that of DataGridView.HitTestInfo?
Check [this](http://www.abstraction-systems.com/ttf/HTML/TTFactory_TaskBasedTutorials_UltraWinGrid.htm) out.
They don't convert the coordinates, but they use a special Infragistics grid event ([Mo... | [
0.03584500402212143,
-0.3467932343482971,
0.5455576777458191,
0.26142197847366333,
0.29371777176856995,
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0.1274510771036148,
-0.37967780232429504,
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-0.3984522521495819,
0.2014903575181961,
0.5811572670936584,
-0.13874991238117218,
-0.18796709179878... | |
I want to delete all but the 4 newest directories in my parent directory. How would you do this in Bash?
```
ls -atrd */ | head --lines=-4 | xargs rm -rf
```
**Edit:** added 'a' argument to ls | [
0.10003453493118286,
0.4059741497039795,
0.4181379973888397,
-0.2200065404176712,
0.06372508406639099,
-0.006157258525490761,
0.3613942861557007,
-0.2326110452413559,
-0.27038705348968506,
-0.49912920594215393,
-0.28420913219451904,
0.6304987668991089,
-0.3701769709587097,
0.01768043637275... | |
How to implement a website with a recommendation system similar to stackoverflow/digg/reddit? I.e., users submit content and the website needs to calculate some sort of "hotness" according to how popular the item is. The flow is as follows:
* Users submit content
* Other users view and vote on the content (assume 90% ... | [
0.17922478914260864,
-0.0331803523004055,
0.3936501145362854,
0.2918175756931305,
-0.2756529748439789,
-0.15381000936031342,
0.014995343051850796,
-0.09223755449056625,
-0.09103728085756302,
-0.328310489654541,
-0.09882189333438873,
0.3463438153266907,
-0.2526772618293762,
-0.1914559900760... | |
the following into consideration:
* When an item was submitted
* When each vote was cast
* When the item was viewed
E.g. an item that gets a constant trickle of votes would stay somewhat "hot" constantly while an item that receives a burst of votes when it is first submitted will jump to the top of the "hotness"-list... | [
0.2554807960987091,
-0.30439189076423645,
0.17853441834449768,
0.48260173201560974,
-0.4736863374710083,
0.017864201217889786,
0.1664648801088333,
-0.09523813426494598,
-0.3682398796081543,
-0.36395642161369324,
0.06600241363048553,
0.17300069332122803,
-0.29912272095680237,
-0.01496940758... | |
on the time it was posted and the score. What's neat about the Reddit algorithm is that you only need recompute the value when the score of a post changes. When you want to display your front page, you just get the top n posts from your database based on that score. As time goes on the scores will naturally increase, s... | [
0.5535458326339722,
-0.26325640082359314,
0.3287203013896942,
0.3541952669620514,
-0.2965095043182373,
-0.18372200429439545,
0.0995592400431633,
0.24280484020709991,
-0.4554761052131653,
-0.45333606004714966,
0.2949904799461365,
0.14575603604316711,
-0.14284123480319977,
0.0744008496403694... | |
How can I copy a line 10 times easily in Emacs? I can't find a copy-line shortcut or function. I can use C-aC-spcC-eM-w to laboriously copy the line but how can I then paste it more than once?
Any ideas before I go and write my own functions.
**Copying**:
If you frequently work with lines, you might want to make copy... | [
0.46935051679611206,
-0.1832030862569809,
0.5229524970054626,
0.3221484124660492,
0.07725143432617188,
0.04779955744743347,
0.35933035612106323,
-0.08738524466753006,
-0.33799782395362854,
-0.878834068775177,
0.0424061194062233,
0.5973519086837769,
-0.21956098079681396,
-0.1469102650880813... | |
(list (line-beginning-position)
(line-beginning-position 2)))))
(defadvice kill-region (before slickcut activate compile)
"When called interactively with no active region, kill a single line instead."
(interactive
(if mark-active (list (region-beginning) (region-end))
(list (line-beginning-positi... | [
0.4361392557621002,
-0.163968026638031,
0.5197749733924866,
-0.06187281012535095,
-0.2645826041698456,
0.0021066993940621614,
0.42787012457847595,
-0.4483700096607208,
-0.0649622455239296,
-0.2567538022994995,
-0.2747575640678406,
0.6047065854072571,
-0.2837202548980713,
-0.138496577739715... | |
to "yank" (paste). The only solution I can think of is what kronoz says: record a macro with C-x ( C-y C-x ) and then let the argument of C-u go to `kmacro-end-and-call-macro` instead (that's C-u 9 C-x e or even just C-9 C-x e or M-9 C-x e).
**Another way**:
You can also just stay in `M-x viper-mode` and use yy10p :) | [
0.18258868157863617,
-0.1223469078540802,
0.33124497532844543,
0.22378115355968475,
0.12922725081443787,
0.02838042564690113,
0.4035951495170593,
0.02625254914164543,
-0.47771763801574707,
-0.1573249101638794,
-0.002568704541772604,
0.8559974431991577,
-0.4633813500404358,
0.16964875161647... | |
Given the following example, why do I have to explicitly use the statement `b->A::DoSomething()` rather than just `b->DoSomething()`?
Shouldn't the compiler's overload resolution figure out which method I'm talking about?
I'm using Microsoft VS 2005. (Note: using virtual doesn't help in this case.)
```
class A
{
p... | [
0.29994621872901917,
-0.014978150837123394,
0.217116579413414,
-0.27072960138320923,
-0.1814814954996109,
-0.019192133098840714,
0.5596343874931335,
-0.5334250330924988,
-0.11270370334386826,
-0.46282336115837097,
-0.027051452547311783,
0.6406821012496948,
-0.504726767539978,
0.29885104298... | |
the same scope. By default, the compiler only considers the smallest possible name scope until it finds a name match. Argument matching is done *afterwards*. In your case this means that the compiler sees `B::DoSomething`. It then tries to match the argument list, which fails.
One solution would be to pull down the ov... | [
0.030340243130922318,
0.06104232743382454,
0.000053441144700627774,
-0.25104689598083496,
-0.003781265113502741,
-0.13713042438030243,
0.27777355909347534,
-0.34946349263191223,
-0.0726347342133522,
-0.6092941164970398,
-0.13235250115394592,
0.6424007415771484,
-0.6069394946098328,
0.19720... | |
How do I find out which sound files the user has configured in the control panel?
Example: I want to play the sound for "Device connected".
Which API can be used to query the control panel sound settings?
I see that there are some custom entries made by third party programs in the control panel dialog, so there has ... | [
0.12263944000005722,
0.1996092051267624,
0.5632027983665466,
0.2339678853750229,
0.3302980065345764,
-0.3203599452972412,
-0.01123268622905016,
-0.18390049040317535,
-0.2556573748588562,
-0.6003659963607788,
0.027553826570510864,
1.158618688583374,
-0.0589151456952095,
0.29271212220191956,... | |
);
```
[`PlaySound`](https://learn.microsoft.com/en-us/previous-versions/ms712879(v=vs.85)) is the API.
Also see [Play System Sounds](https://learn.microsoft.com/en-us/windows/win32/multimedia/using-playsound-to-play-system-sounds). | [
0.14218996465206146,
-0.16037921607494354,
0.5688857436180115,
-0.06296902894973755,
0.4141371548175812,
0.02758793532848358,
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0.124188072979... | |
LINQ simplifies database programming no doubt, but does it have a downside? Inline SQL requires one to communicate with the database in a certain way that opens the database to injections. Inline SQL must also be syntax-checked, have a plan built, and then executed, which takes precious cycles. Stored procedures have a... | [
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the database. Basically, it creates multiple execution plans based on the length of the parameter you are using. I posted about it a while back on my blog [LINQ to SQL may cause performance problems](http://facility9.com/2008/08/28/linq-to-sql-may-cause-performance-problems/).
Now, is that to say that LINQ doesn't ha... | [
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once and is never recompiled. Most ORMs should take care of this aspect of performance tuning as well and using these methods is usually the safest way to execute your SQL since it forces you to use parameterized queries.
Like most database solutions, the right answer depends on the problem you're trying to solve. If ... | [
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LINQ to LLBLGen layer so you can use LINQ to query LLBLGen's objects and have LLBLGen actually handle building your queries and avoid some of the downfalls of LINQ. | [
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This seemed like an easy thing to do. I just wanted to pop up a text window and display two columns of data -- a description on the left side and a corresponding value displayed on the right side. I haven't worked with Forms much so I just grabbed the first control that seemed appropriate, a TextBox. I thought using ta... | [
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