大约有 45,000 项符合查询结果(耗时:0.0670秒) [XML]
Reading string from input with space character? [duplicate]
I'm using Ubuntu and I'm also using Geany and CodeBlock as my IDE.
What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable:
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Ant: How to execute a command for each file in directory?
...is evil; write a custom ant task.
ant-contrib is evil because it tries to convert ant from a declarative style to an imperative style. But xml makes a crap programming language.
By contrast a custom ant task allows you to write in a real language (Java), with a real IDE, where you can write unit t...
What exactly is a reentrant function?
...rant?
No.
For example, let's have a C++ function that takes both a lock, and a callback as a parameter:
#include <mutex>
typedef void (*callback)();
std::mutex m;
void foo(callback f)
{
m.lock();
// use the resource protected by the mutex
if (f) {
f();
}
// u...
Is the ternary operator faster than an “if” condition in Java [duplicate]
... readable doesn't mean it matters, perse.
– Jon Egeland
Mar 16 '12 at 22:42
24
@Jon: Yes, it doe...
Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
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Get a list of distinct values in List
...
Not before the Distinct() but after, if you are trying to convert to a list. Ex: Notes.Select(x => x.Author).Distinct().ToList();
– MTwiford
Apr 4 '17 at 20:03
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
... a method or a cmdlet that returns something, but you don't want to use it and you don't want to output it. I found these two ways:
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Set Django IntegerField by choices=… name
...bject. Hard to find with Google too so thanks.
– Alexander Ljungberg
Jul 13 '09 at 13:54
1
FWIW, ...
String contains - ignore case [duplicate]
...ks if CharSequence contains a search CharSequence irrespective of
case, handling null. Case-insensitivity is defined as by
String.equalsIgnoreCase(String).
A null CharSequence will return false.
This one will be better than regex as regex is always expensive in terms of performance.
For ...
How do I get the file extension of a file in Java?
...
@zhelon .gz stands for gnu zipped file, and .tar stands for (t)ape (ar)chive. So .tar.gz is a tar file inside a gnu zipped file, which has the .gz extension.
– cirovladimir
Mar 27 '16 at 16:35
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