大约有 20,000 项符合查询结果(耗时:0.0314秒) [XML]
Associative arrays in Shell scripts
...y obscure, but to determine if a variable is set in the shell, you can use test -z ${variable+x} (the x doesn't matter, that could be any string). For an associative array in Bash, you can do similar; use test -z ${map[key]+x}.
– Brian Campbell
Feb 6 '14 at 5:0...
How to sort strings in JavaScript
...yucavudela/2/ - basic latin characters comparison with localeCompare() for testing on IE8
http://jsbin.com/beboroyifomu/2/edit?js,console - basic latin characters in string comparison : consistency check in string vs when a character is alone
https://developer.mozilla.org/en-US/docs/Web/JavaScript/R...
What is the optimal algorithm for the game 2048?
...s to execute a move, depending on the complexity of the board position. In testing, the AI achieves an average move rate of 5-10 moves per second over the course of an entire game. If the search depth is limited to 6 moves, the AI can easily execute 20+ moves per second, which makes for some interes...
Updating address bar with new URL without hash or reloading the page
...efox, IE10+
history.pushState('data to be passed', 'Title of the page', '/test');
The above will add a new entry to the history so you can press Back button to go to the previous state. To change the URL in place without adding a new entry to history use
history.replaceState('data to be passed',...
Fade Effect on Link Hover?
...
I tested both and i hope if i found correct reason that CSS way is not smooth and fluent as jQuery way. Please correct me if i'm wrong.
– QMaster
Jan 21 '14 at 15:25
...
Merge two Git repositories without breaking file history
...d add the old remote repository.
git clone https://github.com/alexbr9007/Test.git
cd Test
git remote add OldRepo https://github.com/alexbr9007/Django-React.git
git remote -v
Fetch for all the files from the old repo so a new branch gets created.
git fetch OldRepo
git branch -a
In the master b...
How does “cat
...e it will be considered as part of the string.
example:
$ cat >> test <<HERE
> Hello world HERE <-- Not by itself on a separate line -> not considered end of string
> This is a test
> HERE <-- Leading space, so not considered end of string
> and a new line
> ...
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
...ords that are common between both tables" It suggests that there is some test to see if two records are identical. When actually it's just a condition e.g. / almost always, testing a field of them for equality. The rest of the record need not be identical and typically wouldn't be 'cos if they we...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...wrap_content"
android:text="Button" />
</LinearLayout>
Test activity layout file (MapFragment being inside the MapWrapperLayout):
<com.circlegate.tt.cg.an.lib.map.MapWrapperLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.andro...
Copying text to the clipboard using Java
....getSystemClipboard (.setContents (java.awt.datatransfer.StringSelection. "test") nil))
– NikoNyrh
Aug 26 '17 at 10:23
...
