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Do declared properties require a corresponding instance variable?
...e Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragile-ivar"...
How do you move a file?
...is doesn't seem like it worked correctly. I'm afraid to commit it without knowing if this is the way it's supposed to work or not
– Joe Phillips
Jul 12 '11 at 21:44
48
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How does the following LINQ statement work?
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@M.C I don't know why you are asking this question. Whole answer was not given at a time. It was edited several times.
– Atish Dipongkor - MVP
Jul 18 '13 at 2:50
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R programming: How do I get Euler's number?
... The fact that 25000 people have visited this page without complaint until now suggests to me that many people read "Euler's constant" to mean e, and if you change the title, future searchers will fail to find this page. Also, glancing at wikipedia, it seems this reading of "Euler's constant" is qui...
angular js unknown provider
I'm trying to "customize" the mongolab example to fit my own REST API. Now I'm running into this error and I am not sure what I am doing wrong:
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What's a concise way to check that environment variables are set in a Unix shell script?
...by the wayside. But if you come across a script that starts with a colon, now you will know why.
Position of double quotes
blong asked in a comment:
Any thoughts on this discussion? https://github.com/koalaman/shellcheck/issues/380#issuecomment-145872749
The gist of the discussion is:
… Howe...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
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@JonathanLeffler the link seems to be not working right now. If you are also getting an issue visiting the link, can you please update it?
– Ajay Brahmakshatriya
Nov 25 '18 at 6:46
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How to check version of a CocoaPods framework
...sion of Cocoapods by using below command :
pod —-version
o/p : 1.2.1
Now if you want detailed version of Gems and Cocoapods then use below command :
gem which cocoapods (without sudo)
o/p : /Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.1/lib/cocoapods.rb
sudo gem which cocoapods (with sudo)
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
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rs.initiate(config);
#输出成功
{
"info" : "Config now saved locally. Should come online in about a minute.",
"ok" : 1
}
#查看日志，副本集启动成功后，138为主节点PRIMARY，136、137为副本节点SECONDARY。
Sun Dec 29 20:26:13.842 [conn3]...
How To Launch Git Bash from DOS Command Line?
...indow cmd, and this causes strange behavior. I put this in a .bat file and now all is well: @"%SYSTEMDRIVE%\Program Files\Git\bin\bash.exe" --login
– Grault
Sep 3 '15 at 21:36
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