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How can I echo a newline in a batch file?
...put "hello\nworld" in a txt file: (echo hello & echo world) >> ./test.txt
– Ned Martin
Mar 23 '16 at 6:50
...
How To Check If A Key in **kwargs Exists?
...ich will overwrite any new values that the user has set. We don't need to test if a key exists, we now use args as our argument dictionary and have no further need of kwargs.
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What does “|=” mean? (pipe equal operator)
...gs |= DEFAULT_LIGHTS;
simply means we add a flag.
And symmetrically, we test a flag is set using & :
boolean hasVibrate = (DEFAULT_VIBRATE & myFlags) != 0;
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Using do block vs braces {}
...method2"
return "method2 returned without block"
end
end
#### test ####
method1 method2 do
|x| puts x
end
method1 method2{
|x| puts x
}
#### output ####
#inside method2
#no block passed to method2
#inside method1
#method1 arg = method2 returned without block
#Block passed...
How to zip a whole folder using PHP
...ful undocumented method in the ZipArchive class: addGlob();
$zipFile = "./testZip.zip";
$zipArchive = new ZipArchive();
if ($zipArchive->open($zipFile, (ZipArchive::CREATE | ZipArchive::OVERWRITE)) !== true)
die("Failed to create archive\n");
$zipArchive->addGlob("./*.txt");
if ($zipArc...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...one. I received the same response as you gave. Soon enough when I ran some test with hundreds of thousands of row, guess what happened ? I think it is misleading because it provides too simple of an answer for a problem that mostly beginners will face and soon enough they will have their whole datab...
How does the ThreadStatic attribute work?
...ed:
class A {
[ThreadStatic]
public int a;
}
[Test]
public void Try() {
var a1 = new A();
var a2 = new A();
a1.a = 5;
a2.a = 10;
a1.a.Should().Be.EqualTo(5);
a2.a.Should().Be.EqualTo(10);
}
Additionally it is wort...
Is main() really start of a C++ program?
...t doesn't affect program semantics, such as startup performance comparison testing.
– ThomasMcLeod
Jan 24 '11 at 19:21
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What's the best way to retry an AJAX request on failure using jQuery?
...unning twice.
You can copy-paste these snippets (as-is) to the console to test them
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Where can I locate themes for VS2012
... Windows 8 Pro x64, Visual Studio 2012 Update 1, and it works perfectly (tested on three different machines). And it is not necessary to restart Windows, restarting VS is enough.
– Konamiman
Jan 10 '13 at 10:26
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