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How can I do an asc and desc sort using underscore.js?

... You can use .sortBy, it will always return an ascending list: _.sortBy([2, 3, 1], function(num) { return num; }); // [1, 2, 3] But you can use the .reverse method to get it descending: var array = _.sortBy([2, 3, 1], function(num) { ...
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How to create json by JavaScript for loop?

...t, this should work: <script> // var status = document.getElementsByID("uniqueID"); // this works too var status = document.getElementsByName("status")[0]; var jsonArr = []; for (var i = 0; i < status.options.length; i++) { jsonArr.push({ id: status.options[i].text, ...
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How does Spring autowire by name when more than one matching bean is found?

... Fine-tuning annotation-based autowiring with qualifiers Since autowiring by type may lead to multiple candidates, it is often necessary to have more control over the selection process. One way to accomplish this is with Spring's @Qualifier annotation. This allows for associating qualifier values w...
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How Drupal works? [closed]

... conventions. The 'blog' module, for example, can intercept 'user' related by implementing a function named blog_user(). In Drupal parlance, that's called hook_user(). It's a bit clunky, but due to a PHP quirk (it keeps an internal hashtable of all loaded functions), it allows Drupal to quickly che...
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When to use an assertion and when to use an exception

... check something that might happen. For example, a function might divide by 0, so an exception should be used, but an assertion could be used to check that the harddrive suddenly disappears. An assertion would stop the program from running, but an exception would let the program continue running...
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How to filter by IP address in Wireshark?

...ost 192.168.1.101 Wireshark will only capture packet sent to or received by 192.168.1.101. This has the benefit of requiring less processing, which lowers the chances of important packets being dropped (missed). share ...
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What exactly does @synthesize do?

...May 29 '13 at 19:23 Reuben Mallaby 5,55244 gold badges4444 silver badges4242 bronze badges answered Jul 16 '10 at 15:37 ...
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How to calculate the CPU usage of a process by PID in Linux from C?

..., and /proc/<PID>/stat tells you how many jiffies have been executed by a single process. – caf Sep 15 '09 at 6:21 1 ...
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Finding which process was killed by Linux OOM killer

...d out in your running system which process is candidate for getting killed by oom mechanism dstat --top-oom --out-of-memory--- kill score java 77 java 77 java 77 and as per man page --top-oom show process that will be killed by OOM the first ...
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Secure hash and salt for PHP passwords

... hashing passwords is simple: preventing malicious access to user accounts by compromising the database. So the goal of password hashing is to deter a hacker or cracker by costing them too much time or money to calculate the plain-text passwords. And time/cost are the best deterrents in your arsenal...