大约有 18,500 项符合查询结果(耗时:0.0400秒) [XML]
MySQL IF NOT NULL, then display 1, else display 0
...
Instead of COALESCE(a.addressid,0) AS addressexists, use CASE:
CASE WHEN a.addressid IS NOT NULL
THEN 1
ELSE 0
END AS addressexists
or the simpler:
(a.addressid IS NOT NULL) AS addressexists
This works because TRUE is displayed as 1 ...
jQuery clone() not cloning event bindings, even with on()
... answered Mar 3 '12 at 20:43
Didier GhysDidier Ghys
28.9k99 gold badges6767 silver badges7676 bronze badges
...
Adjusting Eclipse console size
...
Also, includes the console width setting.
– Zack
Aug 4 '16 at 2:25
add a comment
|
...
How do I disconnect all other users in tmux?
...from <prefix>:followed by detach [options] or on the command line inside tmux with tmux detach [options]
share
|
improve this answer
|
follow
|
...
How to prevent moment.js from loading locales with webpack?
...locale directory is included.
The ContextReplacementPlugin allows to override the inferred information i.e. provide a new regular expression (to choose the languages you want to include).
Another approach is to ignore the require with the IgnorePlugin.
Here is an example:
var webpack = require("...
How do you get the file size in C#?
... to another filesystem (FAT16, NTFS, EXT3, etc)
As other answerers have said, this will give you the size in bytes, not the size on disk.
share
|
improve this answer
|
follo...
How to merge two files line by line in Bash
... paste will separate each column with a tab unless you override with the -d option, so you can use something like awk, sed, etc... to format each line. Example: paste file1.txt file2.txt | awk '{printf "%-61s | %s\n", $1,$2}' ... this mimics the diff --side-by-side output)
...
Raise warning in Python without interrupting program
...ring>:1: MyCustomWarning: This is my custom warning.
For testing, consider assertWarns or assertWarnsRegex.
As an alternative, especially for standalone applications, consider the logging module. It can log messages having a level of debug, info, warning, error, etc. Log messages having a le...
How to invert a grep expression
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
“render :nothing => true” returns empty plaintext file?
...p...; path=/; HttpOnly
Cache-Control: no-cache
However, calling head provides a more obvious alternative to calling render :nothing because it's now explicit that you're only generating HTTP headers.
http://guides.rubyonrails.org/layouts_and_rendering.html#using-head-to-build-header-only-respo...