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Regex - Should hyphens be escaped? [duplicate]
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A very useful answer. Turns out that in Eclipse Luna, the Java Linter will complain if you try to escape it.
– Keab42
Nov 19 '14 at 12:51
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windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术
...，后三个参数基本不用
SEH异常处理还有try-finally.类似于java里的try-catch-finally.但是SEH的try只能和except和finally两者之间的一个搭配，不能有try-except-finnaly.
C++异常模型用try-catch语法定义，而SEH异常模型则用try-except语法,与C++异常...
Number.sign() in javascript
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Should this not support JavaScript’s (ECMAScript’s) signed zeroes? It seems to work when returning x rather than 0 in the “megafast” function:
function sign(x) {
return typeof x === 'number' ? x ? x < 0 ? -1 : 1 : x === x ? x : NaN :...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...nitions.
cscope is much more powerful beast (at least as far as C/C++ and Java are concerned). While it operates on more or less the same principle (generating a file of useful metadata) it allows you do some fancier things like find all references to a symbol, see where a function is being invoked...
How to store printStackTrace into a string [duplicate]
...ce () method instead of printStackTrace(). Here is a good example:
import java.io.*;
/**
* Simple utilities to return the stack trace of an
* exception as a String.
*/
public final class StackTraceUtil {
public static String getStackTrace(Throwable aThrowable) {
final Writer result = new St...
Shortcut to switch between design and text in Android Studio
...entView(R.layout.activity_actividad2_blank);
2) click on Project
goto to java class
left click on class and click on "Find Usages" ( Or ALT + F7)
double click on result you want to go.
Have a good programming.
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Create empty file using python [duplicate]
... it. Want to make your program five times faster with PyPy, or run it in a Java/.NET environment with Jython/IronPython? Well too bad you didn't close those files, now your program is leaking like a sieve ;) It's especially awful since 2.5, as with makes it easier to close the file timely (and even ...
How to find the kth smallest element in the union of two sorted arrays?
... I went though to help some novices to understand, with my correct working Java code. A1 and A2 are two sorted ascending arrays, with size1 and size2 as length respectively. We need to find the k-th smallest element from the union of those two arrays. Here we reasonably assume that (k > 0 &&a...
C语言之父辞世引发“分号”悼念 - 创意 - 清泛网 - 专注C/C++及内核技术
...一起获得了美国国家技术奖章。
虽然在C语言之后，C++、Java等各式各样计算机高级语言层出不穷，但不少程序员仍旧认为，C语言简洁、高效、灵活的特性令其具有独特魅力。“现在的程序编写朝着越来越冗长庞大的方向发展，...
PHP大潮将至 PHP近年发展分析 - 创意 - 清泛网 - 专注C/C++及内核技术
...且其是以Web脚本语言的身份参与竞争的。其它两个语言(Java和.net)都是通用的语言(可以开发多种应用)。但是，令人难以置信的是，PHP目前的发展速度是37%明显高于其它两种语言。
同时在国内，PHP的发展也非常迅速。目前在各大...