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How update the _id of one MongoDB Document?
...over the collection for ever. Snapshot doesn't do what you expect (you can test it by taking a 'snapshot' adding a document to the collection, then seeing that that new document is in the snapshot)
– Patrick
Jan 16 '15 at 10:01
...
What is the difference between pip and conda?
...ge> will install a built package. See here: wheel.readthedocs.org/en/latest. However my personal experience with wheel is that so few scientific wheel packages are available that it is purely academic. And of course pip install mostly doesn't work either on windows if your build environment is...
Understand the “Decorator Pattern” with a real world example
... OutputStream classes in java.io package
File file=new File("target","test.txt");
FileOutputStream fos=new FileOutputStream(file);
BufferedOutputStream bos=new BufferedOutputStream(fos);
ObjectOutputStream oos=new ObjectOutputStream(bos);
oos.write(5);
oos.writeBoolean(tru...
Is there any way in C# to override a class method with an extension method?
...ds I noticed some undocumented behavior. Sample code:
public static class TestableExtensions
{
public static string GetDesc(this ITestable ele)
{
return "Extension GetDesc";
}
public static void ValDesc(this ITestable ele, string choice)
{
if (choice == "ext def...
Static variables in JavaScript
...
@SonySantos Your test shows the opposite for Firefox 40
– bartolo-otrit
Sep 19 '15 at 8:28
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Is 'float a = 3.0;' a correct statement?
...are about which floating-point operations are exact, and which aren't, and test for that flag. This means that the simple obvious compile-time transformation alters the program's behaviour.
– user743382
Aug 10 '14 at 16:04
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Are “while(true)” loops so bad? [closed]
...
doStuffNeededAtStartOfLoop();
int input = getSomeInput();
if (testCondition(input))
{
break;
}
actOnInput(input);
}
Now let's force it to use a flag:
boolean running = true;
while (running)
{
doStuffNeededAtStartOfLoop();
int input = getSomeInput();
if...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
...n].bounds];, but I've only used this on the very newest version of iOS, so test carefully.
– Phil Calvin
Aug 9 '12 at 21:18
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show 16 more c...
Why does Clojure have “keywords” in addition to “symbols”?
...c identifiers that evaluate to themselves. They provide very fast equality tests...
Symbols are identifiers that are normally used to refer to something else. They can be used in program forms to refer to function parameters, let bindings, class names and global vars...
Keywords are generally...
Gradle to execute Java class (without modifying build.gradle)
...ty passed in dynamically at command line. classpath is set to pickup the latest classes.
If you do not pass in the mainClass property, both of the approaches fail as expected.
$ gradle execute
FAILURE: Build failed with an exception.
* Where:
Build file 'xxxx/build.gradle' line: 4
* What went...