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What does %w(array) mean?
...i[ a b c ] # => [ :a, :b, :c ]
%i_ a b c _ # => [ :a, :b, :c ]
# etc...
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Error 1022 - Can't write; duplicate key in table
...I would have never guessed it and you saved my day. Using fk_id_1, fk_id_2 etc, now. Thanks.
– JackLeEmmerdeur
Dec 22 '16 at 15:22
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Removing viewcontrollers from navigation stack
... a number")
There a bunch of more possible actions like removeFirst,range etc.
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How to make Eclipse behave well in the Windows 7 taskbar?
...clipse bug report worked for me, but I don't get recently opened projects, etc. from the task bar. Is anyone experiencing that these workarounds restore that behavior?
I have the same problem on Windows 7 x64 with Helios x64, but for me
the following workaround works with the option "Always co...
What is an example of the simplest possible Socket.io example?
...ke a few minutes depending on the speed of your network connection / CPU / etc. To check that everything went as planned, you can look at the package.json file again.
$ cat package.json
{
"dependencies": {
"express": "~4.9.8",
"socket.io": "~1.1.0"
}
}
Create a file called server.js ...
Dynamic cell width of UICollectionView depending on label width
...the same you set for (NS)AttributedString, i.e. font family, size, weight, etc. Optional parameter.
Sample solution:
extension ViewController: UICollectionViewDelegateFlowLayout {
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, si...
How to ignore deprecation warnings in Python
...s needed so you will still see other types of warnings like RuntimeWarning etc.
– ismail
Jan 28 '17 at 8:39
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String comparison in Python: is vs. == [duplicate]
...or all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can have the same value.
Also, is it g...
What techniques can be used to speed up C++ compilation times?
...n the regular nm command and pipe it to your favorite script (AWK, Python, etc.) to sort the symbols based on their length. Based on our experience, this method identifies the largest trouble making candidates better than method 1.
Method 3 - Use Templight
"Templight is a Clang-based tool to profile...
Creating a new empty branch for a new project
...e documentation files, commit them and push them up to github.
A pull or fetch will always update the local information about all the remote branches. If you only want to pull/fetch the information for a single remote branch, you need to specify it.
...