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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
... Any fast food restaurant uses multithread. One thread takes you order and use another thread to prepare it, and continues with the next customer. The synchronization point works only when they interchange information to know what to prepare. Following a model like that really simplifies ...
WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...straint. ALTER TABLE foo WITH CHECK CHECK CONSTRAINT fk_b is necessary in order to have the data verified.
– jmoreno
Mar 14 '15 at 1:16
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What is meant by the term “hook” in programming?
...For example, a function may be written to "hook" into the login process in order to execute a Captcha function before continuing on to the normal login process.
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How to return an NSMutableArray from an NSSet
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For an ordered set use:
NSArray *myArray = [[myOrderedSet array] mutableCopy];
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Get all keys of an NSDictionary as an NSArray
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the order of keys returned by allKeys is undefined... so allKeys.firstObject or allKeys][0] is dangerous either way
– Brad Thomas
Feb 24 '17 at 19:39
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What's the difference between KeyDown and KeyPress in .NET?
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From MSDN:
Key events occur in the following order:
KeyDown
KeyPress
KeyUp
Furthermore, KeyPress gives you a chance to declare the action as "handled" to prevent it from doing anything.
sh...
Getting number of elements in an iterator in Python
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It's important to note (which I overlooked) that the order of arguments to zip matters: if you pass zip(counter, iterable), you'll actually get 1 more than the iterable count!
– Kye W Shi
Jul 26 '19 at 5:08
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How to change a django QueryDict to Python Dict?
...licitly iterating the dictionary contents: dict(querydict.iterlists())
In order to retrieve a dictionary-like value that functions as the original, an inverse function uses QueryDict.setlist() to populate a new QueryDict value. In this case, I don't think the explicit iteration is avoidable.
My h...
How to check if a process is running via a batch script
...ind /I /N "winword.exe">NUL / if %ERRORLEVEL%==1 goto wordnotrunning in order to make it works (suspecting the quote around the if parts
– Steve B
Oct 19 '11 at 7:17
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How to set environment variable for everyone under my linux system?
...it
looks for ~/.bash_profile,
~/.bash_login, and ~/.profile, in that
order, and reads and executes commands
from the first one that exists and is
readable. The --noprofile option may
be used when the shell is started to
inhibit this behavior.
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When an
interactive shell that is...