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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...-vm:47388kB, anon-rss:3744kB, file-rss:80kB httpd invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0 httpd cpuset=/ mems_allowed=0 Pid: 8911, comm: httpd Not tainted 2.6.32-279.1.1.el6.i686 #1 ... 21556 total pagecache pages 21049 pages in swap cache Swap cache s...
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]

... I wish lodash would and a function for this._.has is the closest but doesn't check the value. – GFoley83 Jul 28 '16 at 2:55 7 ...
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load scripts asynchronously

... remove logs function checkStateAndCall(path, callback) { var _success = false; return function() { if (!_success && (!this.readyState || (this.readyState == 'complete'))) { _success = true; console.log(path, 'is ready'); // FI...
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Does ruby have real multithreading?

...0.0 S 31T 0:00.01 0:00.01 /Library/Java/JavaVirtualMachines/jdk1.7.0_25.jdk/Contents/Home/bin/java -Djdk.home= -Djruby.home=/Users/jalcazar/.rvm/rubies/jruby-1.7.10 -Djruby.script=jruby -Djruby.shell=/bin/sh -Djffi.boot.library.path=/Users/jalcazar/.rvm/rubies/jruby-1.7.10/lib/jni:/Users/jalc...
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How do I create directory if none exists using File class in Ruby?

... are not already present: require 'fileutils' dirname = File.dirname(some_path) unless File.directory?(dirname) FileUtils.mkdir_p(dirname) end Edit: Here is a solution using the core libraries only (reimplementing the wheel, not recommended) dirname = File.dirname(some_path) tokens = dirname....
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Setting Authorization Header of HttpClient

...ent = new HttpClient()) { client.DefaultRequestHeaders.Authorization = _username.ToAuthHeaderValue(_password); } Again I think 2 above options make the client using statement a bit less repetitive. Keep in mind that it's best practice to reuse the HttpClient if you are making multiple http ca...
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Find substring in the string in TWIG

...reat :) I used it to figure out the current route: <li class="{% if 'gew_team_default_' in app.request.get('_route') %}active{% endif %}"> – Tobias Oberrauch Aug 28 '14 at 14:11 ...
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Creating a daemon in Linux

...#include <sys/stat.h> #include <syslog.h> static void skeleton_daemon() { pid_t pid; /* Fork off the parent process */ pid = fork(); /* An error occurred */ if (pid < 0) exit(EXIT_FAILURE); /* Success: Let the parent terminate */ if (pid > 0)...
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How to remove item from array by value? [duplicate]

....js. It really makes things simple. For example, with this: var result = _.without(['three','seven','eleven'], 'seven'); And result will be ['three','eleven']. In your case the code that you will have to write is: ary = _.without(ary, 'seven') It reduces the code that you write. ...
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Select columns from result set of stored procedure

...ame as temp tables? Or is it strictly in memory? – d-_-b Mar 4 '12 at 23:37 This was interesting: sqlnerd.blogspot.com...