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Why use a ReentrantLock if one can use synchronized(this)?
I'm trying to understand what makes the lock in concurrency so important if one can use synchronized (this) . In the dummy code below, I can do either:
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What is the purpose of using -pedantic in GCC/G++ compiler?
...ile your program if this is at all possible. However, in some
cases, the C and C++ standards specify that certain extensions are forbidden. Conforming compilers
such as gcc or g++ must issue a diagnostic when these extensions are encountered. For example,
the gcc compiler’s -pedantic option causes...
jQuery get selected option value (not the text, but the attribute 'value')
...orrected old answer
Use :selected psuedo selector on the selected options and then use the .val function to get the value of the option.
$('select[name=selector] option').filter(':selected').val()
Side note: Using filter is better then using :selected selector directly in the first query.
If in...
Java Pass Method as Parameter
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an alternative.
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Vim: Creating parent directories on save
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augroup BWCCreateDir
autocmd!
autocmd BufWritePre * if expand("<afile>")!~#'^\w\+:/' && !isdirectory(expand("%:h")) | execute "silent! !mkdir -p ".shellescape(expand('%:h'), 1) | redraw! | endif
augroup END
Note the conditions: expand("<afile>")!~#'^\w\+:/' wil...
Is it possible to insert multiple rows at a time in an SQLite database?
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update
As BrianCampbell points out here, SQLite 3.7.11 and above now supports the simpler syntax of the original post. However, the approach shown is still appropriate if you want maximum compatibility across legacy databases.
original answer
If I had privileges, I would bump ri...
Spring MVC: How to return image in @ResponseBody?
... edited Jul 1 '16 at 13:38
Andremoniy
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answered May 23 '13 at 23:26
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How do you log content of a JSON object in Node.js?
Is it possible to print an objects contents e.g. methods and attributes in Node.js?
7 Answers
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This Handler class should be static or leaks might occur: IncomingHandler
I'm developing an Android 2.3.3 application with a service. I have this inside that service to communicate with Main activity:
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Can a C# lambda expression have more than one statement?
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edited Jul 15 at 14:02
Andrew
12k88 gold badges6767 silver badges9090 bronze badges
answered Apr 13 '11 at 18:23
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