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Maximum number of threads in a .NET app?
...Call()
{
Thread.Sleep(1000000000);
}
static void Main(string[] args)
{
int count = 0;
var threadList = new List<Thread>();
try
{
while (true)
{
Thread newThread = new Thread(new ThreadStart(DummyCa...
Replacing column values in a pandas DataFrame
...female': 1, 'male': 0})
(Here I convert the values to numbers instead of strings containing numbers. You can convert them to "1" and "0", if you really want, but I'm not sure why you'd want that.)
The reason your code doesn't work is because using ['female'] on a column (the second 'female' in y...
Adding a Google Plus (one or share) link to an email newsletter
...g for me, But i need to add the title with this url, I tried and the query string like "&title-mytext" like that, But it does not affect with the share comments, what i do for this?... can u advice me!
– VinothPHP
Feb 3 '12 at 7:17
...
Java - get pixel array from image
...ageio.ImageIO;
public class PerformanceTest {
public static void main(String[] args) throws IOException {
BufferedImage hugeImage = ImageIO.read(PerformanceTest.class.getResource("12000X12000.jpg"));
System.out.println("Testing convertTo2DUsingGetRGB:");
for (int i = 0; i &l...
Design Pattern for Undo Engine
...
Most examples I've seen use a variant of the Command-Pattern for this. Every user-action that's undoable gets its own command instance with all the information to execute the action and roll it back. You can then maintain a list of all the commands that have been executed a...
Skip a submodule during a Maven build
...ation tests to be run by default, I added activeByDefault to that profile, and then had to add another empty profile (e.g. skip-integration-tests) to be able to skip them.
– denishaskin
Nov 29 '11 at 12:57
...
Create a .txt file if doesn't exist, and if it does append a new line
...
string path = @"E:\AppServ\Example.txt";
File.AppendAllLines(path, new [] { "The very first line!" });
See also File.AppendAllText(). AppendAllLines will add a newline to each line without having to put it there yourself.
...
Why must wait() always be in synchronized block
...d look something along the lines below
class BlockingQueue {
Queue<String> buffer = new LinkedList<String>();
public void give(String data) {
buffer.add(data);
notify(); // Since someone may be waiting in take!
}
public String take() t...
Why 0 is true but false is 1 in the shell?
...it code of 0 (the result of /bin/true). Otherwise they evaluate as false.
Strings are evaluated differently than exit codes:
if [ 0 ] ; then echo not null ; fi
if [ $(echo 0) ] ; then echo not null ; fi
if [ -z "" ] ; then echo null ; fi
The (( )) arithmetic operator interprets 1 and 0 as true ...
LINQ To Entities does not recognize the method Last. Really?
...mes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then do a First(), which is what you did.
EDIT:
Other providers will possibly hav...