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Extracting the last n characters from a ruby string
...e a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
...
“Variable” variables in Javascript?
...le";
window["temp_" + data] = 123;
alert(window["temp_" + data]);
http://www.hiteshagrawal.com/javascript/dynamic-variables-in-javascript
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Nginx serves .php files as downloads, instead of executing them
...ave a issue for install NGINX with PHP properly. I did a tutorial https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-14-04 but when I try to run some .php file it's just downloading it...
for example... http://5.101.99.123/info.php it's wor...
How to remove non-alphanumeric characters?
...t here with this great tool that explains what the regex is doing:
http://www.regexr.com/
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Output first 100 characters in a string
...o handle this. Here are some examples.
The formatting code '%s' converts '12345' to a string, but it's already a string.
>>> '%s' % '12345'
'12345'
'%.3s' specifies to use only the first three characters.
>>> '%.3s' % '12345'
'123'
'%.7s' says to use the first seven charac...
使用 XML 和 Web 服务 · App Inventor 2 中文网
...字符串中每个顶级标签分隔结构的键值对。例如，解码
123
返回键值对 (hello, 123) 的列表并解码
123
456
返回键值对 (hello, 123) 和 键值对(goodbye, 456) 的列表。
对于每对，第一个元素是标签，第二个元素是标签分隔的字符串的...
Using bitwise OR 0 to floor a number
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to convert String to long in Java?
...g -> Long, Long.valueOf(primitiveLong). So Long number = Long.valueOf("123"), Long number = Long.parseLong("123") and Long number = Long.valueOf(Long.parseString("123") all end up doing pretty much the same thing. What you do want to be careful about is not calling constructors of the boxed pri...
那些曾被追捧的90后创业男神女神，还好吗？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...链的宣传内容里，居然有不少其他公司做的案例。http://www.avdmg.com/cn
质疑三：高管资料疑伪造
2.昙花一现的“脸萌”
脸萌，一款制作漫画头像的移动APP。多少少男少女、文艺青年被这样的卡通漫画DIY头像迷住，在那个时段，...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...nstructor to create string objects from string literals.
Reference
http://www.ecma-international.org/ecma-262/5.1/#sec-11.9.3
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