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Java Synchronized Block for .class
...her hand, can have code above and below them, that can get executed from multiple threads. They only synchronize within the block! That is not the same!
– JacksOnF1re
Mar 15 '18 at 15:31
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How to move certain commits to be based on another branch in git?
... somewhere else this is the way to go. Just make sure you do the checkout <branch> of the correct branch first.
– John Leidegren
Feb 16 '16 at 10:31
add a comment
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
....
If one of them is faster, it's going to be DISTINCT. This is because, although the two are the same, a query optimizer would have to catch the fact that your GROUP BY is not taking advantage of any group members, just their keys. DISTINCT makes this explicit, so you can get away with a slightly ...
Regular expression for letters, numbers and - _
...ition
In PHP
Here's a snippet to show how you can use this pattern:
<?php
$arr = array(
'screen123.css',
'screen-new-file.css',
'screen_new.js',
'screen new file.css'
);
foreach ($arr as $s) {
if (preg_match('/^[\w.-]*$/', $s)) {
print "$s is a match\n";
} else {
print...
How to write Unicode characters to the console?
...ole.OutputEncoding = System.Text.Encoding.UTF8;
for (var i = 0; i <= 1000; i++) {
Console.Write(Strings.ChrW(i));
if (i % 50 == 0) { // break every 50 chars
Console.WriteLine();
}
}
Console.ReadKey();
}
}
VB.NET
im...
Where is the syntax for TypeScript comments documented?
...ables.
11.1.1 Source Files Dependencies
[...] A comment of the form /// <reference path="..."/> adds a dependency on the source file
specified in the path argument. The path is resolved relative to the directory of the containing source file.
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What does it mean when git says a file “needs update”?
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In case it helps search results, I also ran into this issue trying to do a git svn rebase with a dirty working copy. Stash save, rebase, stash pop, and all was right with the world.
– Adam Tuttle
Feb 2 '11 at 15:24...
What does “%.*s” mean in printf?
...d here.
integer value or * that specifies minimum field width. The result is padded with space characters (by default), if required, on the left when right-justified, or on the right if left-justified. In the case when * is used, the width is specified by an additional argument of type int. If t...
Why use 'git rm' to remove a file instead of 'rm'?
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If you just use rm, you will need to follow it up with git add <fileRemoved>. git rm does this in one step.
You can also use git rm --cached which will remove the file from the index (staging it for deletion on the next commit), but keep your copy in the local file system.
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How do I do a 'git status' so it doesn't display untracked files without using .gitignore?
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What if I have done, git reset --hard <commit id> , then I git status -uno, nothing show up, only untracked files shown
– Snow Bases
Jun 21 '18 at 2:34
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