大约有 13,700 项符合查询结果（耗时：0.0310秒） [XML]
Creating a new empty branch for a new project
... Archives are a wonderful thing.
– lucid_dreamer
Aug 13 '17 at 17:14
4
It's DANGEROU...
SQL Server indexes - ascending or descending, what difference does it make?
...
This primarily matters when used with composite indexes:
CREATE INDEX ix_index ON mytable (col1, col2 DESC);
can be used for either:
SELECT *
FROM mytable
ORDER BY
col1, col2 DESC
or:
SELECT *
FROM mytable
ORDER BY
col1 DESC, col2
, but not for:
SELECT *
FROM ...
Find out if string ends with another string in C++
...
Use this function:
inline bool ends_with(std::string const & value, std::string const & ending)
{
if (ending.size() > value.size()) return false;
return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
}
...
OS detecting makefile
...was adding OS/CPU auto-detection happened to be using.
ifeq ($(OS),Windows_NT)
CCFLAGS += -D WIN32
ifeq ($(PROCESSOR_ARCHITEW6432),AMD64)
CCFLAGS += -D AMD64
else
ifeq ($(PROCESSOR_ARCHITECTURE),AMD64)
CCFLAGS += -D AMD64
endif
ifeq ($(PROCESS...
Use HTML5 to resize an image before upload
... var canvas = document.createElement('canvas'),
max_size = 544,// TODO : pull max size from a site config
width = image.width,
height = image.height;
if (width > height) {
if (width > max_size) ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
... + idle = 100%. So maybe something like: grep 'cpu ' /proc/stat | awk '{cpu_usage=($2+$4)*100/($2+$4+$5)} END {print cpu_usage "%"}'
– vimdude
Jun 2 '14 at 18:51
...
How can I make the cursor turn to the wait cursor?
...ow level.
A typical use case can look like below:
private void button1_Click(object sender, EventArgs e)
{
try
{
this.Enabled = false;//optional, better target a panel or specific controls
this.UseWaitCursor = true;//from the Form/Window instance
...
Render Partial View Using jQuery in ASP.NET MVC
... it to a method that returns the data as JSON, datatables.net/examples/data_sources/server_side.html
– tvanfosson
Feb 27 '14 at 12:50
|
show...
How to get a random number in Ruby
... for a full blown framework:
require 'securerandom'
p SecureRandom.random_number(100) #=> 15
p SecureRandom.random_number(100) #=> 88
p SecureRandom.random_number #=> 0.596506046187744
p SecureRandom.random_number #=> 0.350621695741409
p SecureRandom.hex #=> "eb693ec8252cd630102fd...
How to pass an array within a query string?
...
(NOTE: In this case, it would be important to name the select control some_name[], so that the resulting request vars would be registered as an array by PHP)
... or as multiple hidden fields with the same name:
<input type="hidden" name="cars[]" value="Volvo">
<input type="hidden" name...