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do N times (declarative syntax)
...based on Array.forEach, without any library, just native vanilla.
To basically call something() 3 times, use:
[1,2,3].forEach(function(i) {
something();
});
considering the following function:
function something(){ console.log('something') }
The outpout will be
something
something
somethi...
Convert character to ASCII code in JavaScript
...
Fun fact: you don’t really need the 0 (first argument value) — just "\n".charCodeAt() will do.
– Mathias Bynens
Oct 17 '11 at 9:40
...
Get a filtered list of files in a directory
...t a list of files in a directory using Python, but I do not want a list of ALL the files.
14 Answers
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boost::flat_map and its performance compared to map and unordered_map
...e, because your cache will not be warm, and your operation will likely be called just once. Therefore you need to benchmark using RDTSC, and time stuff calling them once only.
Intel has made a paper describing how to use RDTSC (using a cpuid instruction to flush the pipeline, and calling it at least...
Objective-C: difference between id and void *
... will cause premature reaping of objects if _superPrivateDoNotTouch is actually an object. Don't do that.
attempting to invoke a method on a reference of void * type will barf up a compiler warning.
attempting to invoke a method on an id type will only warn if the method being called has not been d...
Rounding up to next power of 2
...mon: it's the portable solution. There's no common efficient algorithm for all architectures
– phuclv
Dec 6 '13 at 9:27
5
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How to check a radio button with jQuery?
...e:
$("#radio_1").attr('checked', 'checked');
Tip: You may also want to call click() or change() on the radio button afterwards. See comments for more info.
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The name 'model' does not exist in current context in MVC3
...ter my first attempt to convert to Razor failed), and this was the problem all along. Thanks!
– Brian Donahue
Feb 15 '12 at 16:32
3
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innerText vs innerHTML vs label vs text vs textContent vs outerText
... a couple of differences:
Note that while textContent gets the content of all elements, including <script> and <style> elements, the mostly equivalent IE-specific property, innerText, does not.
innerText is also aware of style and will not return the text of hidden elements, whereas te...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...onfig)
{
"ok" : 0,
"errmsg" : "couldn't initiate : need all members up to initiate, not ok : 172.17.39.149:27017"
}
需要在防火墙配置中打开相应端口：
vi /etc/sysconfig/iptables
可以查看集群的详细信息：
每次启动服务的记录：
可...