大约有 20,000 项符合查询结果（耗时：0.0492秒） [XML]
byte[] to hex string [duplicate]
... of each of the methods listed here for the hell of it. I based the speed testing code off this.
The result is that BitConverter+String.Replace seems to be faster than most other simple ways. But the speed can be improved with algorithms like Nathan Moinvaziri's ByteArrayToHexString or Kurt's ToH...
How do I remove the “extended attributes” on a file in Mac OS X?
I have an AppleScript script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail.
...
Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
...h Jquery 1.11.2 in Firefox with locally hosted files. .attr does. I've not tested more fully. Here's the code: ``` personContent.find("[data-name='" + pass.name + "']").children('input').attr('checked', true); ```
– Andrew Downes
Mar 27 '15 at 10:27
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What is a 'semantic predicate' in ANTLR?
...ignore spaces
WhiteSpace
: (' ' | '\t' | '\r' | '\n') {skip();}
;
Testing
The grammar can be tested with the following class:
import org.antlr.runtime.*;
public class Main {
public static void main(String[] args) throws Exception {
ANTLRStringStream in = new ANTLRStringStream...
How to convert R Markdown to PDF?
...umid you might have missed the up-to-date part (well, if you are not using testing).
– daroczig
Nov 23 '12 at 8:34
Yea...
Why is require_once so bad to use?
...t to your code if you're running *_once thousands of times.
<?php // test.php
$LIMIT = 1000000;
$start = microtime(true);
for ($i=0; $i<$LIMIT; $i++)
if (!defined('include.php')) {
require('include.php');
define('include.php', 1);
}
$mid = microtime(true);
for (...
How can I see the request headers made by curl when sending a request to the server?
...prefixed with '>') without having to write to a file:
$ curl -v -I -H "Testing: Test header so you see this works" http://stackoverflow.com/
* About to connect() to stackoverflow.com port 80 (#0)
* Trying 69.59.196.211... connected
* Connected to stackoverflow.com (69.59.196.211) port 80 (#0)
...
Inserting multiple rows in mysql
...
BEGIN;
INSERT INTO test_b (price_sum)
SELECT price
FROM test_a;
INSERT INTO test_c (price_summ)
SELECT price
FROM test_a;
COMMIT;
share
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How are echo and print different in PHP? [duplicate]
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you can echo(print('test')) but you cannot print(echo('test'))
– vdegenne
Jul 22 '16 at 20:13
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Update Git branches from master
...the commits E', F', and G' never truly existed, and have likely never been tested. They may not even compile. It is actually quite easy to create nonsensical commits via a rebase, especially when the changes in master are important to the development in b1.
The consequence of this may be, that you ...