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How to zero pad a sequence of integers in bash so that all have the same width?
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13 Answers
13
Active
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
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173
There's no big advantage for those cases where an assertFoo exists that exactly matches your i...
How to serialize an Object into a list of URL query parameters?
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106
var str = "";
for (var key in obj) {
if (str != "") {
str += "&";
}
st...
How can I apply a border only inside a table?
...is:
table {
border-collapse: collapse;
}
table td, table th {
border: 1px solid black;
}
table tr:first-child th {
border-top: 0;
}
table tr:last-child td {
border-bottom: 0;
}
table tr td:first-child,
table tr th:first-child {
border-left: 0;
}
table tr td:last-child,
table tr th:last-ch...
Random number from a range in a Bash Script
...er between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck!
15 Answers
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How do I use the conditional operator (? :) in Ruby?
..., except for precedence issues. Both are expressions.
Examples:
puts (if 1 then 2 else 3 end) # => 2
puts 1 ? 2 : 3 # => 2
x = if 1 then 2 else 3 end
puts x # => 2
Note that in the first case parenthesis are required (otherwise Ruby is confused be...
Show a number to two decimal places
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1171
You can use number_format():
return number_format((float)$number, 2, '.', '');
Example:
$...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...的头文件.所有的asio类可以简单的通过include "...目录：
1. 同步Timer
2. 异步Timer
3. 回调函数的参数
4. 成员函数作为回调函数
5. 多线程回调同步
6. TCP客户端:对准时间
7. TCP同步时间服务器
1. 同步Timer
本章介绍asio如何在定...