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Is explicitly closing files important?
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129
In your example the file isn't guaranteed to be closed before the interpreter exits. In curre...
How do I install Python OpenCV through Conda?
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41 Answers
41
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Blocks on Swift (animateWithDuration:animations:completion:)
...es:
UIView.animateWithDuration(0.2, animations: {
self.blurBg.alpha = 1
}, completion: {
(value: Bool) in
self.blurBg.hidden = true
})
The important part here is the (value: Bool) in. That tells the compiler that this closure takes a Bool labeled 'value' and returns void.
For referen...
Can you issue pull requests from the command line on GitHub?
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114
UPDATE: The hub command is now an official github project and also supports creating pull requ...
How to upgrade rubygems
I need to upgrade gems to 1.8 i tried installing the respective debian packages but it seems its not getting upgraded
8 An...
How can I get sin, cos, and tan to use degrees instead of radians?
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218
You can use a function like this to do the conversion:
function toDegrees (angle) {
return a...
Programmatically Hide/Show Android Soft Keyboard [duplicate]
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134
+50
Adding ...
make div's height expand with its content
...ex-container {
display: flex;
flex-direction: column;
min-height: 100vh;
}
header {
background-color: #3F51B5;
color: #fff;
}
section.content {
flex: 1;
}
footer {
background-color: #FFC107;
color: #333;
}
<div class="flex-container">
<header>
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How do I check if a file exists in Java?
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17 Answers
17
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Where to get “UTF-8” string literal in Java?
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11 Answers
11
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