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How can mixed data types (int, float, char, etc) be stored in an array?
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244
You can make the array elements a discriminated union, aka tagged union.
struct {
enum { ...
json_encode sparse PHP array as JSON array, not JSON object
...ng this behaviour because your array is not sequential - it has keys 0 and 2, but doesn't have 1 as a key.
Just having numeric indexes isn't enough. json_encode will only encode your PHP array as a JSON array if your PHP array is sequential - that is, if its keys are 0, 1, 2, 3, ...
You can reinde...
Max length for client ip address [duplicate]
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273
For IPv4, you could get away with storing the 4 raw bytes of the IP address (each of the numbe...
Detect IF hovering over element with jQuery
...(":hover"); // returns true or false
Example: http://jsfiddle.net/Meligy/2kyaJ/3/
(This only works when the selector matches ONE element max. See Edit 3 for more)
.
Edit 1 (June 29, 2013): (Applicable to jQuery 1.9.x only, as it works with 1.10+, see next Edit 2)
This answer was the best solut...
Get fragment (value after hash '#') from a URL in php [closed]
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122
If you want to get the value after the hash mark or anchor as shown in a user's browser: This i...
What is the fastest integer division supporting division by zero no matter what the result is?
... pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%ebp), %edx
testl %edx, %edx
sete %al
addl %edx, %eax
movl 8(%ebp), %edx
movl %eax, %ecx
popl %ebp
movl %edx, %eax
sarl $31, %edx
idivl %ecx
ret
As this tur...
Make a number a percentage
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204
A percentage is just:
(number_one / number_two) * 100
No need for anything fancy:
var numb...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...roMQ)进行局域网内网络通信本文内容摘要：1）安装zeromq、2）实例说明使用zmq进行网络间的消息发送和接收首先在机器中安装zmq库步骤如下：1）下载zeromq的源代码，Zer...本文内容摘要：1）安装zeromq、2）实例说明使用zmq进行网络...
How can I access “static” class variables within class methods in Python?
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edited Dec 2 '12 at 7:34
Pavel Strakhov
34.1k44 gold badges6969 silver badges111111 bronze badges
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Command line CSV viewer? [closed]
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452
You can also use this:
column -s, -t < somefile.csv | less -#2 -N -S
column is a standard ...