大约有 5,000 项符合查询结果(耗时:0.0179秒) [XML]

https://stackoverflow.com/ques... 

Write lines of text to a file in R

... @jhin I am not sure if that is true. Using RStudio 0.98 and R version 3.1.0 the file is created automatically if it doesn't exist – JHowIX Sep 10 '14 at 14:09 ...
https://stackoverflow.com/ques... 

Disabled href tag

... Mark Amery 98.8k4848 gold badges336336 silver badges379379 bronze badges answered Dec 19 '12 at 15:30 John Conde...
https://stackoverflow.com/ques... 

Android: Test Push Notification online (Google Cloud Messaging) [closed]

... Found a very easy way to do this. Open http://phpfiddle.org/ Paste following php script in box. In php script set API_ACCESS_KEY, set device ids separated by coma. Press F9 or click Run. Have fun ;) <?php // API access key from Google API's Console define( 'API_...
https://stackoverflow.com/ques... 

Clear the cache in JavaScript

...ry hour, or every week, you may cache according to file data. Example (in PHP): <script src="js/my_script.js?v=<?=md5_file('js/my_script.js')?>"></script> or even use file modification time: <script src="js/my_script.js?v=<?=filemtime('js/my_script.js')?>"></scr...
https://stackoverflow.com/ques... 

What column type/length should I use for storing a Bcrypt hashed password in a Database?

...40 bytes: 1 + 16 + 23 You can read more at the link above, or examine my PHP implementation, also on GitHub. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

HMAC-SHA1 in bash

...ution, but mainly to prove that the results are the same, we can also call PHP's hmac_sha1() from the command line: [me@home]$ echo '<?= hash_hmac("sha1", "value", "key") ?>' | php 57443a4c052350a44638835d64fd66822f813319 ...
https://stackoverflow.com/ques... 

Why is  appearing in my HTML? [duplicate]

... Try: <?php // Tell me the root folder path. // You can also try this one // $HOME = $_SERVER["DOCUMENT_ROOT"]; // Or this // dirname(__FILE__) $HOME = dirname(__FILE__); // Is this a Windows host ? If it is, change this line to $W...
https://stackoverflow.com/ques... 

Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?

...{ 'async': false, 'global': false, 'url': 'getdate.php', 'success': function (data) { val = data; } }); return val; })(); var natDays = holiDays.split(''); function nationalDays(date) { var m = date.getMonth(); var d = date...
https://stackoverflow.com/ques... 

Image library for Python 3

... 98 The "friendly PIL fork" Pillow works on Python 2 and 3. Check out the Github project for suppor...
https://stackoverflow.com/ques... 

Using grep to search for a string that has a dot in it

... JoniJoni 98.4k1111 gold badges118118 silver badges173173 bronze badges ...