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count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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EditText underline below text property
I would like to change the blue colour below the edit text, i don't know what property it is.
14 Answers
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Handling Touch Event in UILabel and hooking it up to an IBAction
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Check it out:
UILabel *label = ...
label.userInteractionEnabled = YES;
UITapGestureRecognizer *tapGesture =
[[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(...
How to calculate moving average using NumPy?
...nt a straightforward non-weighted moving average, you can easily implement it with np.cumsum, which may be is faster than FFT based methods:
EDIT Corrected an off-by-one wrong indexing spotted by Bean in the code. EDIT
def moving_average(a, n=3) :
ret = np.cumsum(a, dtype=float)
ret[n:] = ...
How to duplicate a whole line in Vim?
...follow
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edited Jul 10 '19 at 22:30
iono
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C++ include and import difference
... Curious, I wasn't aware of that. Perhaps I should have said it's a COM- and .NET-specific thing instead.
– Head Geek
Oct 5 '08 at 17:08
25
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Xcode “The private key for is not installed on this mac - distributing”
I always get this message when I try to submit my app to the app store.
21 Answers
21
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Where is Developer Command Prompt for VS2013?
...2013 Menu Select "Tools", then Select "External Tools". Enter as below:
Title: "VS2013 Native Tools-Command Prompt" would be good
Command: C:\Windows\System32\cmd.exe
Arguments: /k "C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\VsDevCmd.bat"
Initial Directory: Select as suits ...
How to download HTTP directory with all files and sub-directories as they appear on the online files
...via wget . But, the problem is that when wget downloads sub-directories it downloads the index.html file which contains the list of files in that directory without downloading the files themselves.
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Bootstrap close responsive menu “on click”
On "PRODUCTS" click I slide up a white div (as seen in attached). When in responsive (mobile and tablet), I would like to automaticly close the responsive navbar and only show the white bar.
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