大约有 13,700 项符合查询结果（耗时：0.0290秒） [XML]
Is there an easy way to add a border to the top and bottom of an Android View?
...move the solid if you don't want a fill. The set background="@drawable/your_shape_drawable" on your layout/view.
Option 2: Background View
Here's a little trick I've used in a RelativeLayout. Basically you have a black square under the view you want to give a border, and then give that view some p...
Maximum Length of Command Line String
...
@LordTorgamus, The 32k limit is due to the UNICODE_STRING structure (ushort length). According to Raymond Chen's article on the subject CMD limits lines to 8192 characters (I'd assume the carrage return is the final character) and ShellExecuteEx limits to "INTERNET_MAX_URL_L...
Different floating point result with optimization enabled - compiler bug?
...e all pertinent intermediate computations
into variables.
In x86_64 builds compilers use SSE registers for float and double by default, so that no extended precision is used and this issue doesn't occur.
gcc compiler option -mfpmath controls that.
...
Build vs new in Rails 3
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You're misreading the docs slightly. some_firm.client.new is creating a new Client object from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all...
scala vs java, performance and memory? [closed]
...he most compact way to do the same thing is:
val bigEnough = array.filter(_.length > 2).flatMap(mapping.get)
Easy! But, unless you're fairly familiar with how the collections work, what you might not realize is that this way of doing this created an extra intermediate array (with filter), and...
Is < faster than
...(a <=901)
cmpl $901, -4(%rbp)
jg .L3
My example if is from GCC on x86_64 platform on Linux.
Compiler writers are pretty smart people, and they think of these things and many others most of us take for granted.
I noticed that if it is not a constant, then the same machine code is generated in...
Locking pattern for proper use of .NET MemoryCache
...of C# In a Nutshell discusses this here, albahari.com/threading/part2.aspx#_MonitorEnter_and_MonitorExit
– BrutalSimplicity
May 12 '18 at 15:27
9
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What characters are forbidden in Windows and Linux directory names?
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254 files? And what about utf8?
– j_kubik
Sep 9 '12 at 1:33
21
The 254 files we...
How to reduce iOS AVPlayer start delay
...operties and methods provided by the AVAsset class that may help:
- (void)_pu_setCachedDuration:(id)arg1;
- (id)pu_cachedDuration;
- (struct
{
long long x1;
int x2;
unsigned int x3;
long long x4;
})pu_duration;
- (void)pu_loadDurationWithCompletionHandler:(id /* block */)arg1;
...
Source code highlighting in LaTeX
...tring title = "This is a Unicode π in the sky"
/*
Defined as $\pi=\lim_{n\to\infty}\frac{P_n}{d}$ where $P$ is the perimeter
of an $n$-sided regular polygon circumscribing a
circle of diameter $d$.
*/
const double pi = 3.1415926535
\end{minted}
\end{document}
This can be typeset using...