大约有 16,000 项符合查询结果（耗时：0.0262秒） [XML]
Difference between ref and out parameters in .NET [duplicate]
... that's an additional output for the function (eg int.TryParse) that are already using the return value for something.
share
|
improve this answer
|
follow
|
...
Check if an image is loaded (no errors) with jQuery
...ck the image DOM element for the .complete to make sure the image wasn't already loaded before jQuery could register the events.
...
How to assign from a function which returns more than one value?
...ionReturningTwoValues()[[2]] would be sufficient.)
See the cited r-help thread for more examples.
(2) with If the intent is merely to combine the multiple values subsequently and the return values are named then a simple alternative is to use with :
myfun <- function() list(a = 1, b = 2)
lis...
What is the difference between String.slice and String.substring?
...y, and/or looking for short answer scroll to the bottom of the answer, and read the last two lines.if Not in a hurry read the whole thing.let me start by stating the facts:
Syntax:
string.slice(start,end)
string.substr(start,length)
string.substring(start,end)
Note #1: slice()==substring()
What it...
Determining Whether a Directory is Writeable
...ss:
os.access('/path/to/folder', os.W_OK) # W_OK is for writing, R_OK for reading, etc.
share
|
improve this answer
|
follow
|
...
How do I get the result of a command in a variable in windows?
...ne numbers from the file
rem ---------
rem This is the file that is being read: You can replace this with %1 for dynamic behaviour or replace it with some command like the first example i gave with the 'CD' command.
set _readfile=test.txt
for /f "usebackq tokens=2 delims=:" %%a in (`find /c /v "" ...
SQL JOIN - WHERE clause vs. ON clause
After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins .
The answer may be related (or even the same) but the question is different.
...
Doing a cleanup action just before Node.js exits
...
@RobFox resume() initializes reading process. Stdin is paused by default. You can read more on : github.com/joyent/node/blob/…
– Emil Condrea
Feb 5 '14 at 12:08
...
How to clone all repos at once from GitHub?
...g]/repos?per_page=200 | ruby -rubygems -e 'require "json"; JSON.load(STDIN.read).each { |repo| %x[git clone #{repo["ssh_url"]} ]}'
Replace [your_org] with your organization's name. And set your per_page if necessary.
UPDATE:
As ATutorMe mentioned, the maximum page size is 100, according to the G...
When would you use delegates in C#? [closed]
...e days I use delegates for:
Event handlers (for GUI and more)
Starting threads
Callbacks (e.g. for async APIs)
LINQ and similar (List.Find etc)
Anywhere else where I want to effectively apply "template" code with some specialized logic inside (where the delegate provides the specialization)
...