大约有 34,900 项符合查询结果(耗时:0.0530秒) [XML]
What does the construct x = x || y mean?
...".
It's shorthand for writing:
if (!title) {
title = "Error";
}
This kind of shorthand trick with boolean expressions is common in Perl too. With the expression:
a OR b
it evaluates to true if either a or b is true. So if a is true you don't need to check b at all. This is called short-circ...
How do I serialize a C# anonymous type to a JSON string?
...
Fenton
193k5555 gold badges338338 silver badges356356 bronze badges
answered Dec 1 '08 at 19:52
Nick BerardiNic...
How to filter files when using scp to copy dir recursively?
...files from server to local with all dir reserved. e.g. server:/usr/some/unknown/number/of/sub/folders/me.class will be /usr/project/backup/some/unknown/number/of/sub/folders/me.class the problem is, there are many other useless files such as .svn-base files that i don't want. how can i filter th...
Grepping a huge file (80GB) any way to speed it up?
...ightygigsfile.sql
It will also be faster if you copy your file to RAM disk.
share
|
improve this answer
|
follow
|
...
INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device
...
Mustafa GüvenMustafa Güven
13.9k1010 gold badges5454 silver badges7979 bronze badges
...
Adding elements to object
I need to populate a json file, now I have something like this:
17 Answers
17
...
Image.Save(..) throws a GDI+ exception because the memory stream is closed
...you shouldn't close it. As the docs for that constructor say:
You must keep the stream open for the
lifetime of the Bitmap.
I can't find any docs promising to close the stream when you dispose the bitmap, but you should be able to verify that fairly easily.
...
SQL Server: Get table primary key using sql query [duplicate]
I want to get a particular table's primary key using SQL query for SQL Server database.
10 Answers
...
The type initializer for 'MyClass' threw an exception
...
Check the InnerException property of the TypeInitializationException; it is likely to contain information about the underlying problem, and exactly where it occurred.
...
How do I break out of a loop in Perl?
I'm trying to use a break statement in a for loop, but since I'm also using strict subs in my Perl code, I'm getting an error saying:
...
