大约有 826 项符合查询结果（耗时：0.0359秒） [XML]
Can someone copyright a SQL query? [closed]
..., thn there's the problem of the code written automatically released under CC-Wiki, unless whever waives that...
– RCIX
Dec 4 '09 at 7:17
7
...
Changing CSS Values with Javascript
...hing like this:
var cssRuleCode = document.all ? 'rules' : 'cssRules'; //account for IE and FF
var rule = document.styleSheets[styleIndex][cssRuleCode][ruleIndex];
var selector = rule.selectorText; //maybe '#tId'
var value = rule.value; //both selectorText and value are settable.
Let ...
“new” keyword in Scala
...apply() = 7
}
// These do different things
> println(new Foo)
test@5c79cc94
> println(Foo())
7
And, since you mentioned Java classes: yes -- Java classes rarely have
companion objects with an apply method, so you must use new and the actual
class's constructor.
...
How do I create a unique constraint that also allows nulls?
...
SQL Server 2008 +
You can create a unique index that accept multiple NULLs with a WHERE clause. See the answer below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEWID().
Update the existing values to NEWID(...
How to track untracked content?
...
This saved my ass so much the other day. I had accidentally added something with a .git directory in it to my git repo, and then git kinda-sorta thought it had a submodule, which was causing my git svn dcommits to freak out. I would upvote you 3 times if I could.
...
Constructors in JavaScript objects
... prototype you don't need to worry about the above though, if you want to access the super class' prototype methods, you can just call this.constructor.super.prototype.methodName. If you want to make it less verbose you can of course add convenience properties. :)
...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...ActiveMQ). A short overview can be found here
Sparrow
written by Alex MacCaw
Sparrow is a lightweight queue written in Ruby that “speaks memcache”
Starling
written by Blaine Cook at Twitter
Starling is a Message Queue Server based on MemCached
written in Ruby
stores jobs in memory (messag...
How to create a static library with g++?
... @linuxx: main.o will be the object file you create out of main.cc
– Sriram
May 10 '11 at 8:19
@linuxx: the...
What is the minimum I have to do to create an RPM file?
...on, but I would like to put my binaries to /opt. I created the targz file according to that. And rpmbuild is failing on "file not found" in buildroot/usr/bin.
– Kiss Viktoria
Nov 27 '14 at 5:01
...
How do I fix a merge conflict due to removal of a file in a branch?
...de whether
remove file using "git rm res/layout/dialog_item.xml"
or
accept version from HEAD (perhaps after editing it) with "git add res/layout/dialog_item.xml"
Then you finalize merge with "git commit".
Note that git will warn you that you are creating a merge commit, in the (rare) case w...