大约有 40,000 项符合查询结果（耗时：0.0411秒） [XML]
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...multiple fields,
* we need WEXITSTATUS to get the exit status:
* http://stackoverflow.com/questions/3659616/returning-exit-code-from-child
**/
printf("$? = %d\n", WEXITSTATUS(status));
}
Compile and run:
g++ -ggdb3 -O0 -std=c++11 -Wall -Wextra -pedantic -o bash bash.c
g++ -ggdb3 ...
How do I find the width & height of a terminal window?
...o -e "lines\ncols"|tput -S to get both the lines and cols see: linux.about.com/library/cmd/blcmdl1_tput.htm
– nickl-
Jan 26 '13 at 3:49
...
How to amend older Git commit? [duplicate]
...the text document
You are done, your commits are amended
credit goes to: http://git-scm.com/book/en/Git-Tools-Rewriting-History
There's also other useful demonstrated git magic.
share
|
improve th...
MySQL vs MongoDB 1000 reads
...For example, consider a design that persisted a lot of information about a complicated entity in a normalised fashion. This could easily use dozens of tables in MySQL (or any relational db) to store the data in normal form, with many indexes needed to ensure relational integrity between tables.
Now...
Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then
... fix. This is how I got it alive.
Head over to Account Security Settings (https://www.google.com/settings/security/lesssecureapps) and enable "Access for less secure apps", this allows you to use the google smtp for clients other than the official ones.
Update
Google has been so kind as to list a...
Are C# events synchronous?
... being raised on a ThreadPool thread if SyncronisingObject is null.
Docs: http://msdn.microsoft.com/en-us/library/system.timers.timer.elapsed.aspx
share
|
improve this answer
|
...
What's the most appropriate HTTP status code for an “item not found” error page
I'm curious what's the most appropriate HTTP status code for an "item does not exist" page.
5 Answers
...
Fastest way to check if string contains only digits
...dred more characters. Including full width decimal digits ０１２３... (common in China and Japan) and digits from other cultures e.g. ০১২௧௨௩௪꘤꘥꘦꘧꘨ and plenty more.
– CodesInChaos
Sep 18 '13 at 9:08
...
How to send SMS in Java
...
There is an API called SMSLib, it's really awesome.
http://smslib.org/
Now you have a lot of Saas providers that can give you this service using their APIs
Ex: mailchimp, esendex, Twilio, ...
share
...
Is there a way to do method overloading in TypeScript?
...od implementation.
There\s a few relevant discussions on codeplex. e.g.
https://typescript.codeplex.com/workitem/617
I still think TypeScript should generate all the if'ing and switching so we wouldn't need to do it.
sh...