大约有 30,000 项符合查询结果(耗时:0.0430秒) [XML]
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/i<em>mem>ages and wh
To clarify the purpose of this question: I know HOW to create co<em>mem>plicated views with both subviews and using drawRect. I'<em>mem> trying to fully understand the when's and why's to use one over the other.
...
Read-only list or un<em>mem>odifiable list in .NET 4.0
Fro<em>mem> what I can tell, .NET 4.0 still lacks read-only lists. Why does the fra<em>mem>ework still lack this functionality? Isn't this one of the co<em>mem><em>mem>onest pieces of functionality for do<em>mem>ain-driven design ?
...
How does the extend() function work in jQuery?
...
<em>Mem>ultiple Para<em>mem>eters
The docu<em>mem>entation isn't precise in explaining how extend works, so I ran a little test:
var a = {foo: 1, bar: 1};
var b = {foo: 2, baz: 2};
var c = {foo: 3};
var r = jQuery.extend(a,b,c);
console.log("A:...
Python regular expressions return true/false
...
<em>Mem>atch objects are always true, and None is returned if there is no <em>mem>atch. Just test for trueness.
if re.<em>mem>atch(...):
share
|
...
Understanding Pri<em>mem>eFaces process/update and JSF f:ajax execute/render attributes
What exactly are process and update in Pri<em>mem>eFaces p:co<em>mem><em>mem>andXxx co<em>mem>ponents and execute and render in f:ajax tag?
...
NP<em>Mem> - How to fix “No read<em>mem>e data”
I have a si<em>mem>ple package.json:
6 Answers
6
...
Flask SQLAlche<em>mem>y query, specify colu<em>mem>n na<em>mem>es
How do I specify the colu<em>mem>n that I want in <em>mem>y query using a <em>mem>odel (it selects all colu<em>mem>ns by default)? I know how to do this with the sqlalch<em>mem>ey session: session.query(self.col1) , but how do I do it with with <em>mem>odels? I can't do So<em>mem>e<em>Mem>odel.query() . Is there a way?
...
Rena<em>mem>ing the current file in Vi<em>mem>
How should I rena<em>mem>e <em>mem>y current file in Vi<em>mem>?
21 Answers
21
...
Check free disk space for current partition in bash
I a<em>mem> writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file syste<em>mem>s, but I was wondering if there was a way to get the free space just for the partition...
What Every Progra<em>mem><em>mem>er Should Know About <em>Mem>e<em>mem>ory?
I a<em>mem> wondering how <em>mem>uch of Ulrich Drepper's What Every Progra<em>mem><em>mem>er Should Know About <em>Mem>e<em>mem>ory fro<em>mem> 2007 is still valid. Also I could not find a newer version than 1.0 or an errata.
...
