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Removing event listener which was added with bind
...tore, add the lines below to the constructor of your component:
class App extends React.Component {
constructor(props){
super(props);
// it's a trick! needed in order to overcome the remove event listener
this.onChange = this.onChange.bind(this);
}
// then as regular.....
How do I programmatically set the value of a select box element using JavaScript?
...ument.querySelector('#leaveCode').value = '14'
Using the more established approach with document.getElementById(), that will, as the name of the function implies, let you select an element based on its id:
document.getElementById('leaveCode').value = '14'
You can run the below code snipped to s...
Is it okay to use now?
I'm working on a mobile phone web app and I have several text fields that could benefit from <input type="tel"/> . iPhones will adjust the keyboard for the user, but I'm worried about breaking backwards compatibility. What I'm hoping is that browsers/phone that support this can assist the use...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
I'm trying to connect to my MySQL DB with the Terminal on my Apple (With PHP).
17 Answers
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What does the property “Nonatomic” mean?
...
Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or ove...
How to comment and uncomment blocks of code in the Office VBA Editor
...tomise...
Under the Commands tab, select the Edit menu on the left.
Then approximately two thirds of the way down there's two icons, Comment Block and Uncomment Block.
Drag and drop these onto your toolbar and then you have easy access to highlight a block of code, and comment it out and uncommen...
How to add new line into txt file
...text to my date.txt file, but instead of adding it into existing date.txt, app is creating new date.txt file..
4 Answers
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Remove unused references (!= “using”)
...mblies that are not in use?" The poster wants the assemblies to no longer appear as part of the build output.
In this case, ReSharper can help you identify them, but you have to remove them yourself.
To do this, open up the References inth Solution Browser, right mouse click on each referenced...
How can I play sound in Java?
...oid playSound(final String url) {
new Thread(new Runnable() {
// The wrapper thread is unnecessary, unless it blocks on the
// Clip finishing; see comments.
public void run() {
try {
Clip clip = AudioSystem.getClip();
AudioInputStream inputStream = AudioSystem.getAudi...
Compile, Build or Archive problems with Xcode 4 (and dependencies)
..."
Set the Build Setting "Installation Directory" on your Target to $(LOCAL_APPS_DIR)
Change the target build setting "scan all source files for includes" to YES. (link)
With newer versions of Xcode (> 4.2) you might want to read this question related to workspaces.
Manually delete the project.xcw...