大约有 9,000 项符合查询结果(耗时:0.0219秒) [XML]
unable to start mongodb local server
...
There is no service command on OS X. If you have mongo installed via homebrew you can use brew services. (via unix.stackexchange.com/questions/155715/…)
– Charlie Stanard
Sep 25 '16 at 19:28
...
Installing R with Homebrew
...'s just brew install r. See @Andrew's answer below.
As of 2014 (using an Yosemite), the method is the following:
brew tap homebrew/science
brew install Caskroom/cask/xquartz
brew install r
The gcc package (will be installed automatically as a required dependency) in the homebrew/science tap alre...
What is the Windows version of cron? [closed]
...r command-line usage, you can schedule with the AT command.
For newer Microsoft OS versions, Windows Server 2012 / Windows 8, look at the schtasks command line utility.
If using PowerShell, the Scheduled Tasks Cmdlets in Windows PowerShell are made for scripting.
...
Eclipse comment/uncomment shortcut?
... + / after selecting the lines you want to comment in java editor.
On Mac/OS X you can use ⌘ + / to comment out single lines or selected blocks.
share
|
improve this answer
|
...
Android - Emulator in landscape mode, screen does not rotate
...) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
...
How does the ARM architecture differ from x86? [closed]
...SC (Complex Instruction Set Computing) one.
The core difference between those in this aspect is that ARM instructions operate only on registers with a few instructions for loading and saving data from / to memory while x86 can operate directly on memory as well. Up until v8 ARM was a native 32 bit ...
How to create a GUID/UUID using iOS
... (__bridge NSString *)string;
}
EDIT: Jan, 29 2014:
If you're targeting iOS 6 or later, you can now use the much simpler method:
NSString *UUID = [[NSUUID UUID] UUIDString];
share
|
improve this...
using awk with column value conditions
... Are you sure your data is space-separated. Might some of those spaces be tabs? Try using awk to echo a single field. Does awk '{ print $8 }' give you what you'd expect?
– Rob Davis
Feb 6 '13 at 22:38
...
How to solve “Fatal error: Class 'MySQLi' not found”?
...l MySQLi.
If you think you've done that and still have a problem, please post your operating system and anything else that might help diagnose it further.
share
|
improve this answer
|
...
What does PermGen actually stand for?
...
Which answer was the accepted one at the time you posted this comment? The currently accepted answer (this one, by "Tom Hawtin - tackline") looks accurate to me. Might make sense to edit your comment so it doesn't lead people to mistrust the current accepted answer?
...