大约有 15,510 项符合查询结果（耗时：0.0284秒） [XML]
What is the gain from declaring a method as static
...s do not integrate well into an object oriented language and also, hard to test properly. This is the reason why some newer languages forego the concept of static methods/variables altogether, or try to internalize it into the language in a way that plays better with OO (eg Objects in Scala).
Most ...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...xception in the Dynamic Implementation of the Interface.
import org.junit.Test;
/** need to allow forbidden references! */ import sun.misc.Unsafe;
/**
* Demonstrate how to throw an undeclared checked exception.
* This is a hack, because it uses the forbidden Class {@link sun.misc.Unsafe}.
*/
pu...
How to reverse a singly linked list using only two pointers?
...lieve. Otherwise, the original code worked OK when plugged into your neat test harness. You get +1 from me even so - but an explanation of what you consider the 'obvious errors' would improve your answer.
– Jonathan Leffler
Nov 26 '09 at 5:50
...
PHP and MySQL - how to avoid password in source code? [duplicate]
...could have a different configuration file for production, development, and testing platforms.
An environment variable is the most common way to differentiate between these environments, something like the below code:
// Check if it's been set by the web server
if (!empty($_ENV['ENVIRONMENT'])) {
...
How to urlencode data for curl command?
I am trying to write a bash script for testing that takes a parameter and sends it through curl to web site. I need to url encode the value to make sure that special characters are processed properly. What is the best way to do this?
...
How to allow http content within an iframe on a https site
...w.google.com/search?q=%http://yourhttpsite.com&btnI=Im+Feeling+Lucky
Tested and works in firefox.
Other Methods:
Use a Third party such as embed.ly (but it it really only good for well known http APIs).
Create your own redirect script on an https page you control (a simple javascript redir...
Get file size, image width and height before upload
...;
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('load', () => {
EL_preview.app...
Android webview & localStorage
...with a webview which may access to the localStorage by an HTML5 app. The test.html file informs me that local
storage is'nt supported by my browser (ie. the webview ). If you have any suggestion..
...
Benefit of using Parcelable instead of serializing object
...lippe Breault made a nice article about this, and also added a performance test. developerphil.com/parcelable-vs-serializable
– WonderCsabo
Jul 5 '13 at 16:35
...
Fast way to get image dimensions (not filesize)
...
I have done some tests with the ImageMagick identify command, using strace to record open/read/mmap/close calls to see how much data was been read from the identified image. It does depend on the file type and file size slightly, but I was ge...