大约有 40,000 项符合查询结果（耗时：0.0697秒） [XML]
How to create border in UIButton?
...ation/quartzcore/calayer#//apple_ref/occ/cl/CALayer
The CALayer in the link above allows you to set other properties like corner radius, maskToBounds etc...
Also, a good article on button fun:
https://web.archive.org/web/20161221132308/http://www.apptite.be/tutorial_custom_uibuttons.php
...
C# equivalent of the IsNull() function in SQL Server
In SQL Server you can use the IsNull() function to check if a value is null, and if it is, return another value. Now I am wondering if there is anything similar in C#.
...
How to do a logical OR operation in shell scripting
I am trying to do a simple condition check, but it doesn't seem to work.
8 Answers
8
...
Python extract pattern matches
...tern, if found, retrieve the string using group(index). Assuming valid checks are performed:
>>> p = re.compile("name (.*) is valid")
>>> result = p.search(s)
>>> result
<_sre.SRE_Match object at 0x10555e738>
>>> result.group(1) # group(1) will return th...
Render partial from different folder (not shared)
...he RenderPartial method, but it's not offering me the functionality I'm looking for.
10 Answers
...
Calculate the execution time of a method
I have an I/O time-taking method which copies data from a location to another. What's the best and most real way of calculating the execution time? Thread ? Timer ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible.
...
Using Git how do I find changes between local and remote
Here are two different questions but I think they are related.
10 Answers
10
...
How to change the Eclipse default workspace?
Where can I change the default workspace in Eclipse?
15 Answers
15
...
Rails 4: how to use $(document).ready() with turbo-links
... I just learned that jQuery's "ready" event doesn't fire on subsequent clicks when turbo-linking is turned on. The first time you load a page it works. But when you click a link, anything inside the ready( function($) { won't get executed (because the page doesn't actually load again). Good explan...
What's the difference between IEquatable and just overriding Object.Equals()?
...e able to add a bunch of neat classes such as List<T>, Dictionary<K,V>, HashSet<T>, etc. These structures make heavy use of GetHashCode and Equals. But for value types this required boxing. IEquatable<T> lets a structure implement a strongly typed Equals method so no boxing i...