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Should composer.lock be committed to version control?
... little confused with composer.lock used in an application with a repository.
8 Answers
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How to output a multiline string in Bash?
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Here documents are often used for this purpose.
cat << EOF
usage: up [--level <n>| -n <levels>][--help][--version]
Report bugs to:
up home page:
EOF
They are supported in all Bourne-derived shells including all versions of Bash.
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How does delete[] know it's an array?
...g a pointer to a single int with delete [] would result in undefined behavior. Your second main() example is unsafe, even if it doesn't immediately crash.
The compiler does have to keep track of how many objects need to be deleted somehow. It may do this by over-allocating enough to store the arr...
How do I exit a WPF application programmatically?
In the few years I've been using C# (Windows Forms), I've never used WPF. But, now I love WPF, but I don't know how I am supposed to exit my application when the user clicks on the Exit menu item from the File menu.
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curl POST format for CURLOPT_POSTFIELDS
...use curl via POST and set CURLOPT_POSTFIELD do I have to urlencode or any special format?
10 Answers
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ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
...Theme" parent="@style/Theme.AppCompat">
<!-- Any customizations for your app running on devices with Theme.Holo here -->
</style>
</resources>
EDIT: I would recommend you stop using ActionBar and start using the AppBar layout included in the Android Design Support Lib...
What is the difference between float and double?
...ost cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the differences between them?
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Add single element to array in numpy
...array which can be the old array with the appended element.
I think it's more normal to use the proper method for adding an element:
a = numpy.append(a, a[0])
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How to measure elapsed time in Python?
... think I'm using the timeit module wrong, but the docs are just confusing for me.
35 Answers
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What's onCreate(Bundle savedInstanceState)
...an be passed back to onCreate if the activity needs to be recreated (e.g., orientation change) so that you don't lose this prior information. If no data was supplied, savedInstanceState is null.
... you
should use the onPause() method to write any persistent data (such as
user edits) to stor...