大约有 15,900 项符合查询结果（耗时：0.0206秒） [XML]
How can I convert a string to boolean in JavaScript?
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Actually it can be simplified. 1) There is no need to test for "true", "yes" and "1". 2) toLowerCase does not return null. 3) Boolean(string) is the same as string!=="" here. => switch(string.toLowerCase()) {case "false": case "no": case "0": case "": return false; default: r...
CSS background image to fit width, height should auto-scale in proportion
...rtant;
overflow-x: hidden ! important;
background-color: #f8f8f8;
background-image: url('index.png');
/*background-size: cover;*/
background-size: contain;
background-repeat: no-repeat;
background-position: right;
}
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Regex using javascript to return just numbers
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Here's another one with which you can even debugger regexp: Online regex tester and debugger.
Update:
Another one: RegExr.
Update:
Regexper and Regex Pal.
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How to share Eclipse configuration over different workspaces
...ipse.core.runtime/.settings
[workspace]/.metadata/.plugins/org.eclipse.e4.workbench
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Angular.js ng-repeat across multiple tr's
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Using ng-repeat on tbody appears to be valid see this post.
Also a quick test through an html validator allowed multiple tbody elements in the same table.
Update: As of at least Angular 1.2 there is an ng-repeat-start and ng-repeat-end to allow repeating a series of elements. See the documentatio...
Checking if a key exists in a JavaScript object?
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Checking for undefined-ness is not an accurate way of testing whether a key exists. What if the key exists but the value is actually undefined?
var obj = { key: undefined };
obj["key"] !== undefined // false, but the key exists!
You should instead use the in operator:
"key" ...
List all sequences in a Postgres db 8.1 with SQL
... last value of a sequence use the following query:
SELECT last_value FROM test_id_seq;
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...ting bytes and the MacRoman-suggesting bytes, and go with whichever is greatest.
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Multiple working directories with Git?
...le, when $GIT_DIR=/path/main/.git the command git worktree add /path/other/test-next next creates:
the linked working tree in /path/other/test-next and
also creates a $GIT_DIR/worktrees/test-next directory (or $GIT_DIR/worktrees/test-next1 if test-next is already taken).
Within a linked work...
Clojure: reduce vs. apply
...e3)))
"Elapsed time: 5.263 msecs"
499500
user=> (time (apply + (range 1e4)))
"Elapsed time: 19.721 msecs"
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user=> (time (reduce + (range 1e4)))
"Elapsed time: 1.409 msecs"
49995000
user=> (time (reduce + (range 1e5)))
"Elapsed time: 17.524 msecs"
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user=> (time (apply +...