大约有 45,000 项符合查询结果（耗时：0.0607秒） [XML]
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...lly runs a short Bash script. That script, either directly or indirectly, knows where all the files needed are and sets variables and command line parameters, finally calling the program. That's a shell's simplest use.
Linux as we know it however would hardly be Linux without the thousands of shell...
Where is Xcode's build folder?
...
~/Library/Developer/Xcode/DerivedData is now the default.
You can set the prefs in Xcode to allow projects to specify their build directories.
share
|
improve this ...
Best practices for copying files with Maven
...
Is the task descriptor now deprecated?
– Matt
Apr 19 '11 at 17:00
3
...
Difference between one-to-many and many-to-one relationship
...
Maybe database relationships now?
– fragorl
Jul 27 '17 at 1:00
add a comment
|
...
How to search for a string in text files?
...eck for -1). I could swear it used to work with in as well... But it seems now that in only works for single characters...
– Steven
Mar 18 '13 at 11:34
6
...
When to use MyISAM and InnoDB? [duplicate]
...resources. -- Mostly no longer true.
Full-text indexing. -- InnoDB has it now
Especially good for read-intensive (select) tables. -- Mostly no longer true.
Disk footprint is 2x-3x less than InnoDB's. -- As of Version 5.7, this is perhaps the only real advantage of MyISAM.
InnoDB:
The InnoDB st...
Non-static variable cannot be referenced from a static context
... class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea.
...
How do I parse JSON with Objective-C?
...f the OS X v10.7 and iOS 5 launches, probably the first thing to recommend now is NSJSONSerialization, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime.
So, for example:
NSData *returnedData = ...JSON data, probably from a web r...
List or IList [closed]
...ays writeable and thus always keeps its promises. Also, since .NET 4.6, we now have IReadOnlyCollection<T> and IReadOnlyList<T> which are almost always better fits than IList<T>. And they are covariant. Avoid IList<T>!
– ZunTzu
Nov 10 '1...
How to write a bash script that takes optional input arguments?
...
you need write to a regular variable to use the substitution
#!/bin/bash
NOW=$1
echo ${NOW:-$(date +"%Y-%m-%d")}
share
|
improve this answer
|
follow
|
...