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What should my Objective-C singleton look like? [closed]
...ngleton into the object, you'll have a happier time later if writing tests etc. Hard singletons are far too overused.
– occulus
Jan 14 '13 at 13:41
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MySQL convert date string to Unix timestamp
...rks.This can also be used in other statements such as update,delete,insert etc
– MR_AMDEV
Jul 1 '19 at 8:35
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Non-static variable cannot be referenced from a static context
...n you declare the local variable for that method (compareCount, low, high, etc..). The scope of this variable is only the declared method, regardless of it being a static or non static method. So you can't use those variables outside that method. This is the basic error u made.
Then we come to next...
In Python script, how do I set PYTHONPATH?
I know how to set it in my /etc/profile and in my environment variables.
6 Answers
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Why use a READ UNCOMMITTED isolation level?
... insert queries, make any rough estimates (like COUNT(*) or rough SUM(*)) etc.
In other words, the results the dirty read queries return are fine as long as you treat them as estimates and don't make any critical decisions based upon them.
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How to check command line parameter in “.bat” file?
...ng can be quoted (in the sense of - made verbatim via some escape sequence etc.) in the cmd shell. In other systems you can sometimes quote everything, NUL character included. (stackoverflow.com/questions/2730732/…) - this question just shows, you need to use some external program.
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How to make an HTTP POST web request
... /// <param name="pMethod">Those methods you know: GET, POST, HEAD, etc...</param>
/// <param name="pUrl">Very predictable...</param>
/// <param name="pJsonContent">String data to POST on the server</param>
/// <param name="pHeaders">...
Replacing NAs with latest non-NA value
...ewhat slower because it does some more checks and handles multiple columns etc.
– Achim Zeileis
Mar 2 '17 at 15:28
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Why does overflow:hidden not work in a ?
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I'm not familiar with the specific issue, but you could stick a div, etc inside the td and set overflow on that.
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Prevent tabstop on A element (anchor link) in HTML
...erlink goes against accessibility rules (e.g. people using screen readers, etc). If you know that this isn't a problem for your user base, then it should be fine.
– Ricardo Sanchez
Mar 29 '18 at 0:27
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