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Ruby / Rails - Change the timezone of a Time, without changing the value
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What do you suggest against DST transitions ? Suppose the target time to convert is after the D/ST transition while Time.now is before the change. Would that work ?
– Cyril Duchon-Doris
Oct 2...
Very slow compile times on Visual Studio 2005
...d several options for accelerating the build (at this point about half-way down the page):
In decreasing order of speedup:
Install Microsoft hotfix 935225.
Install Microsoft hotfix 947315.
Use a true multicore processor (ie. an Intel Core Duo 2; not a Pentium 4 HT).
Use 3 parallel...
PHP: How to remove specific element from an array?
How do I remove an element from an array when I know the elements name? for example:
21 Answers
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Save PL/pgSQL output from PostgreSQL to a CSV file
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Do you want the resulting file on the server, or on the client?
Server side
If you want something easy to re-use or automate, you can use Postgresql's built in COPY command. e.g.
Copy (Select * From foo) To '/tmp/test.csv'...
How do you perform a left outer join using linq extension methods
... This is actually not nearly as crazy as it seems. Basically GroupJoin does the left outer join, the SelectMany part is only needed depending on what you want to select.
– George Mauer
Nov 16 '14 at 16:36
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Unzip a file with php
...sed files. There should be no need to use system calls for this. ZipArchivedocs is one option.
$zip = new ZipArchive;
$res = $zip->open('file.zip');
if ($res === TRUE) {
$zip->extractTo('/myzips/extract_path/');
$zip->close();
echo 'woot!';
} else {
echo 'doh!';
}
Also, as others...
Make a negative number positive
...ing is called "absolute value", and Java has a function called Math.abs to do it for you. Or you could avoid the function call and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
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HTML5 check if audio is playing?
...ry I was playing around with it more and it seems like in some browsers it does work and it some not. I guess it depends on implementation. But for all latest updates for chrome and firefox it seems to work, so This answer is correct for latest implementations.
– Tomas
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How do I “decompile” Java class files? [closed]
...f this age only. Written in C++, so very fast.
Outdated, unsupported and does not decompile correctly Java 5 and later
So your mileage may vary with recent jdk (7, 8).
The same site list other tools.
And javadecompiler, as noted by Salvador Valencia in the comments (Sept 2017), offers a SaaS w...
looping through an NSMutableDictionary
How do I loop through all objects in a NSMutableDictionary regardless of the keys?
6 Answers
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