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PHP check whether property exists in object or class
...t have a middle name';
To show how this would look in an if statement for more clarity on how this is working.
if($person->middleName ?? false) {
echo $person->middleName;
} else {
echo 'Person does not have a middle name';
}
Explanation
The traditional PHP way to check for someth...
What is the difference between a regular string and a verbatim string?
...gests this change. Do any CLR gurus know if verbatim strings are processed more efficiently since escape characters can be ignored?
– Matt Peterson
Jul 22 '10 at 18:25
9
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When would you use the different git merge strategies?
...d to specify octopus merge strategy: it is used automatically if you merge more than two branches (git merge A B ...).
– Jakub Narębski
Dec 4 '09 at 18:40
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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160
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Histogram using gnuplot?
...nd it is often easier to use an external programme (e.g. Octave) to do the more "complicated" calculations, save this data in a file, then use Gnuplot to produce the graph. For the above problem, check out the "hist" function is Octave using [freq,bins]=hist(data), then plot this in Gnuplot using
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The SMTP server requires a secure connection or the client was not authenticated. The server respons
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149
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How can I use Async with ForEach?
...approach over giving an async delegate to ForEach are:
Error handling is more proper. Exceptions from async void cannot be caught with catch; this approach will propagate exceptions at the await Task.WhenAll line, allowing natural exception handling.
You know that the tasks are complete at the end...
How to force use of overflow menu on devices with menu button
...enu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list that requires the user to jump from a touch(screen) interaction to a button based interaction simply because the layout of the ActionBar can't fit them on ...
How do I provide JVM arguments to VisualVM?
...ve enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I provide JVM arguments to jvisualvm.exe?
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Cmake vs make sample codes?
... flag (via
the POSITION_INDEPENDENT_CODE property) and many others. Still, more obscure settings can be implemented by hand in CMake just as well as in a Makefile (by using COMPILE_FLAGS
and similar properties). Of course CMake really starts to shine when third party
libraries (like OpenGL) are incl...