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Different types of thread-safe Sets in Java

...e look up time would be O(lg n) and not O(n). – akhil_mittal Dec 28 '17 at 4:58 ...
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How to copy files across computers using SSH and MAC OS X Terminal [closed]

...compression use SCP: scp username@yourserver.com:~/serverpath/public_html ~/Desktop share | improve this answer | follow | ...
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Regular Expression to match only alphabetic characters

...l make sure that nothing but these alphabets will be matched. Code: preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m); var_dump($m); Output: array(0) { } Test case is for OP's comment that he wants to match only if there are 1 or more alphabets present in the input. As you can see in the test case...
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Get Image Height and Width as integer values?

... Try like this: list($width, $height) = getimagesize('path_to_image'); Make sure that: You specify the correct image path there The image has read access Chmod image dir to 755 Also try to prefix path with $_SERVER["DOCUMENT_ROOT"], this helps sometimes when you are not ab...
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warning: incompatible implicit declaration of built-in function ‘xyz’

...an page says this function is a GNU extension and synopsis shows: #define _GNU_SOURCE #include <string.h> When #define is added to my source before the #include, declarations for the GNU extensions are made visible and warnings disappear. ...
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }

...ave private methods/functions and properties: (function() { var private_var; function private_function() { //code } })(); In the first example, you would explicitly invoke globalFunction by name to run it. That is, you would just do globalFunction() to run it. But in the above exam...
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Python ValueError: too many values to unpack [duplicate]

... for k, m in self.materials.items(): example: miles_dict = {'Monday':1, 'Tuesday':2.3, 'Wednesday':3.5, 'Thursday':0.9} for k, v in miles_dict.items(): print("%s: %s" % (k, v)) share | ...
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1

...tter v1.1 API, and the class I've created which you can find below. require_once('TwitterAPIExchange.php'); /** Set access tokens here - see: https://dev.twitter.com/apps/ **/ $settings = array( 'oauth_access_token' => "YOUR_OAUTH_ACCESS_TOKEN", 'oauth_access_token_secret' => "YOUR_OA...
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How to fix Git error: object file is empty?

...) nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git add tex/sept2012_code/example-code-testing.R nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git commit -a -m "adding in the example code" [master 385c023] adding in the example code 1 file changed, 331 insertions(+) create mode 100644...
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【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...

...的域名,附件的路径除外,仍用PC站 的,如:’upload_url’ => ‘http://带www域名/uploadfile/’, //附件路径,即两站共用PC站的附件。移动站后台站点设置里也是写带www的,不用改。 二、模板设置 1、PC站:没什么特别的...