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How can I select from list of values in SQL Server
... For performance reasons, I'd recommend Union-All, then Group-By or use Distinct in your outer select.
– MikeTeeVee
May 12 '14 at 20:39
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Return positions of a regex match() in Javascript?
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@David, I meant exclusive end position, as taken e.g. by .slice() and .substring(). Inclusive end would be 1 less as you say. (Be careful that inclusive usually means index of last char inside match, unless it's an empty match where it's 1 before match and might be -1 outside t...
What is the significance of #pragma marks? Why do we need #pragma marks?
... overview of your class. You'll get a pop-up kind of Window aka Jump Bar.
By default, this jump bar doesn't have any buckets/sections. It's just one long list. (Though we can just start typing when jump Bar appears and it will search among jump bar items). Here comes the need of pragma mark
If yo...
How to construct a WebSocket URI relative to the page URI?
...o the right websocket server. The path can also be used for other purposes by the websocket server such as passing tokens (e.g. via query params), etc.
– kanaka
Apr 11 '17 at 20:54
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Compare two objects in Java with possible null values
...nsequences: it will be slower at runtime and IDE won't let you know if you by accident try to compare different types.
– averasko
Jul 30 '16 at 1:51
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How to align a to the middle (horizontally/width) of the page [duplicate]
...cal center of the screen, and the left edge at the horizontal center, then by adding margin-top to the negative of the height of the div, i.e., -100 shifts it above by 100 and similarly for margin-left. This gets the div exactly in the center of the page.
#outPopUp {
position: absolute;
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Loaded nib but the 'view' outlet was not set
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I can generally fix it by remaking the connection between File's Owner and the view. Control-drag from the File's owner to your View (in IB) and select view from the pop-up menu.
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How to use pip with Python 3.x alongside Python 2.x
...or example on Arch Linux pip --version states that's running on python 3.6 by default.
– Daniel Andrei Mincă
May 18 '17 at 9:12
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How to check if variable is string with python 2 and 3 compatibility
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For py3, basestring = (str, bytes) from requests/compat.py
– Tanky Woo
Jan 17 '16 at 3:56
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...e the questions you need to answer before trying anything more advanced. Baby steps!
– karlphillip
Jan 25 '12 at 12:40
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