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How to read environment variables in Scala
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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TypeError: 'NoneType' object is not iterable in Python
...r a variable containing None. The operation was performed by invoking the __iter__ method on the None.
None has no __iter__ method defined, so Python's virtual machine tells you what it sees: that NoneType has no __iter__ method.
This is why Python's duck-typing ideology is considered bad. The...
How do I associate file types with an iPhone application?
...ecules-320.png</string>
<string>Document-molecules-64.png</string>
</array>
<key>CFBundleTypeName</key>
<string>Molecules Structure File</string>
<key>CFBundleTypeRole</key>
<string>...
How to apply bindValue method in LIMIT clause?
...I think this solves it.
$fetchPictures->bindValue(':skip', (int) trim($_GET['skip']), PDO::PARAM_INT);
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Objective-C Static Class Level variables
...ing a Class Object in Apple's Objective-C docs.
– big_m
Oct 3 '11 at 16:02
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how to get an uri of an image resource in android
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Based on the answers above I want to share a kotlin example on how to get a valid Uri for any resource in your project. I think it's the best solution because you don't have to type any strings in your code and risk typing it...
How do you round to 1 decimal place in Javascript?
...)
You might want to create a function for this:
function roundedToFixed(_float, _digits){
var rounded = Math.pow(10, _digits);
return (Math.round(_float * rounded) / rounded).toFixed(_digits);
}
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How to extract the first two characters of a string in shell scripting?
...st efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of...
Can you attach a UIGestureRecognizer to multiple views?
... much like detecting that say we haven't used a variable, XCode could tell based on the code that we have passed the same recognizer to multiple views and could warn the coder.
– Zoltán Matók
Aug 18 '14 at 11:52
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no new variables on left side of :=
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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