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Why use a ReentrantLock if one can use synchronized(this)?
...iting thread. Otherwise this lock does not guarantee any particular access order. Programs using fair locks accessed by many threads may display lower overall throughput (i.e., are slower; often much slower) than those using the default setting, but have smaller variances in times to obtain locks an...
Call PowerShell script PS1 from another PS1 script inside Powershell ISE
...
In order to find the location of a script, use Split-Path $MyInvocation.MyCommand.Path (make sure you use this in the script context).
The reason you should use that and not anything else can be illustrated with this example sc...
Bash Templating: How to build configuration files from templates with Bash?
...lt;<EOF
<Location ${STATUS_URI}>
SetHandler server-status
Order deny,allow
Deny from all
Allow from ${MONITOR_IP}
</Location>
EOF
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Convert objective-c typedef to its string equivalent
... array.
Make sure the indexes are the appropriate enums, and in the right order (otherwise exception).
note: names is a property synthesized as *_names*;
code was not checked for compilation, but I used the same technique in my app.
typedef enum {
JSON,
XML,
Atom,
RSS
} FormatType;
+ (N...
How to center a Window in Java?
...other answer, setLocationRelativeTo(null) has to be called after pack() in order to work.
– Eusebius
Apr 19 '14 at 5:18
6
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What is the optimal algorithm for the game 2048?
...ructures in which adjacent tiles are decreasing in value, but of course in order to merge, adjacent tiles need to be the same value. Therefore, the smoothness heuristic just measures the value difference between neighboring tiles, trying to minimize this count.
A commenter on Hacker News gave an int...
how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
6
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Should each and every table have a primary key?
...nsisting of the PK's of both records being joined. E.g. CREATE TABLE PersonOrder (PersonId int, OrderId int, PRIMARY KEY(PersonId, OrderId)).
– Keith Williams
May 14 '09 at 12:35
3...
Elegant solution to duplicate, const and non-const, getters? [duplicate]
...Chances are that BigChunk needs to deference self, in which case the above order of definition isn't going to work very well, and some forward declarations will be needed to sort it out.
Also, in order to avoid some numpty finding BigChunk in the header and deciding to instantiate and call it even ...
T-SQL split string
...elim, [Number]) - [Number])))
FROM (SELECT Number = ROW_NUMBER() OVER (ORDER BY name)
FROM sys.all_columns) AS x WHERE Number <= LEN(@List)
AND SUBSTRING(@Delim + @List, [Number], DATALENGTH(@Delim)/2) = @Delim
) AS y
);
GO
If you want to avoid the limitation of the length...