大约有 40,000 项符合查询结果（耗时：0.0469秒） [XML]
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...
First of all, it's just bad practice. Input validation is always necessary, but it's also always iffy.
Worse yet, blacklist validation is always problematic, it's much better to explicitly and strictly define what values/formats you a...
How to auto-reload files in Node.js?
...emon:
Monitor for any changes in your node.js application and automatically restart the server - perfect for development
To use nodemon:
$ npm install nodemon -g
$ nodemon app.js
share
|
imp...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
... views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything to rotate back to portrait.
...
Detect Chrome extension first run / update
...versions of Chrome (since Chrome 22), you can use the chrome.runtime.onInstalled event, which is much cleaner.
Example:
// Check whether new version is installed
chrome.runtime.onInstalled.addListener(function(details){
if(details.reason == "install"){
console.log("This is a first inst...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...o far so good!
But instead of rendering the fonts with a higher font size, all texts are just scaled up, too. That of course leads to very blurry text (on all controls like buttons etc.).
...
Understanding keystore, certificates and alias
...
The dev site suggests using the same certificate for all your apps. So does this mean, as long as I'm using the same keystore, I can use any alias with any password and it won't mess up updates, as it's just a reference? The actual keystore is the important part?
...
What exactly is Hot Module Replacement in Webpack?
...g modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload.
Documentation
Prerequirements:
Using Plugins: https://webpack.js.org/concepts/plugins/
Code Splitting: https://webpack.js.org/guides/code-splitting/
webpack-dev-...
How to implement a ViewPager with different Fragments / Layouts
...blem is that viewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
6 Answe...
Callback functions in Java
...rt java.util.function.Function;
public MyClass {
public static String applyFunction(String name, Function<String,String> function){
return function.apply(name);
}
}
then you can call it like so
MyClass.applyFunction("42", str -> "the answer is: " + str);
// returns "the an...
What is the difference between an IntentService and a Service? [duplicate]
...as Intents) on demand. Clients send requests through startService(Intent) calls; the service is started as needed, handles each Intent in turn using a worker thread, and stops itself when it runs out of work.
Refer this doc - http://developer.android.com/reference/android/app/IntentService.html
...