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How do I concatenate two strings in C?
...s not the fastest way to do this, but you shouldn't be worrying about that now. Note that the function returns a block of heap allocated memory to the caller and passes on ownership of that memory. It is the responsibility of the caller to free the memory when it is no longer needed.
Call the funct...
What is the (function() { } )() construct in JavaScript?
I used to know what this meant, but I'm struggling now...
27 Answers
27
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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
...ince I started to play with it for big toys, I started to notice random/unknown fatal error and crashes (with H.264 codecs, etc.), and it was a nightmare till then to get ride of system crash+fatal errors caused by OpenJDK.
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Check for null in foreach loop
..., consider changing the getter of Headers instead. null is the value of unknown so if possible instead of using null as "I know there are no elements" when null actually(/originally) should be interpreted as "I don't know if there are any elements" use an empty set to show that you know there are no...
How to find the mime type of a file in python?
... the files are stored in BLOBs, as specified in the question, you may not know the file extension.
– Mechanical snail
Aug 1 '11 at 6:05
56
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How to call getClass() from a static method in Java?
... reformat and shorten FQ names.
Change the context to Java: declaration.
Now if you type log<tab> it'll automatically expand to
private static final Logger logger = LoggerFactory.getLogger(ClassName.class);
And automatically reformat and optimize the imports for you.
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Rename an environment with virtualenvwrapper
... command below.
$ sed -i "s/doors/django/g" ~/.virtualenvs/django/bin/*
now if you do:
$ workon django
(django)hobbes3@hobbes3
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“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
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exactly what @roroinpho21 says. now I have to .trim() the value later to make process.env.NODE_ENV == 'production' work. Anyway to avoid this in a oneliner?
– Flion
Jul 27 '17 at 8:25
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Find and Replace text in the entire table using a MySQL query
...find to replace text in a MySQL database using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin?
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Proper use cases for Android UserManager.isUserAGoat()?
...;As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method can
* now automatically identify goats using advanced goat recognition technology.</p>
*
* @return Returns true if the user making this call is a goat.
*/
public boolean isUserAGoat() {
return mContext.getPackageManage...