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How can I check if a var is a string in JavaScript?
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this worked for me if(typeof(str) === typeof(String()))
– Scott Murphy
Feb 23 '17 at 21:25
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Is there a way to add/remove several classes in one single instruction with classList?
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And if you want to apply an Array of several class-names, you have to call: DOMTokenList.prototype.add.apply(elem.classList, ['first', 'second', 'third']);
– Emanuel Kluge
Feb 15 '13 at 16:36
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REST API 404: Bad URI, or Missing Resource?
... of that, you can provide a response body and/or other headers with a more meaningful error message that developers will see.
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Windows Explorer “Command Prompt Here” [closed]
...a folder open in Windows, wishing to have a command prompt open with the same working directory.
16 Answers
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SQLite error 'attempt to write a readonly database' during insert?
...ns, as well as the actual database file.
I found this information in a comment at the very bottom of the PDO SQLite driver manual page.
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How to put a UserControl into Visual Studio toolBox
... it as a common control. but i can't. the UserControl is in my project namespace, and I tried Choose Item in right click menu, but I didn't find a way to add it.
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Naming conventions for java methods that return boolean(No question mark)
I like using question mark at the end of method/function names in other languages. Java doesn't let me do this. As a workaround how else can I name boolean returning methods in Java? Using an is , has , should , can in the front of a method sound okay for some cases. Is there a better way to na...
What does “error: option --single-version-externally-managed not recognized” indicate?
... host's package manager if needed, like Yum or Apt.
If you're seeing this message, you may have an old version of setuptools or Python. Try using Distribute, which is a newer version of setuptools and is backwards compatible. These packages may expect that you have it already.
https://pypi.python....
Qt events and signal/slots
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The Qt documentation probably explains it best:
In Qt, events are objects, derived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that...
Set opacity of background image without affecting child elements
...he opacity of a background image without affecting the opacity of child elements?
14 Answers
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