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Get form data in ReactJS
...here are a few ways to do this:
1) Get values from array of form elements by index
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target[0].value)
}
2) Using name attribute in html
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target....
How to set a default value for a datetime column to record creation time in a migration?
...discussion at https://github.com/rails/rails/issues/27077 and answer there by prathamesh-sonpatki
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how to implement a pop up dialog box in iOS
...
Different people who come to this question mean different things by a popup box. I highly recommend reading the Temporary Views documentation. My answer is largely a summary of this and other related documentation.
Alert (show me an example)
Alerts display a title and an optional message....
How to make Twitter bootstrap modal full screen
...der: 0;
border-radius: 0;
}
.modal .modal-body {
overflow-y: auto;
}
By including the scss code below, it generates the following classes that need to be added to the .modal element:
+---------------+---------+---------+---------+---------+---------+
| | xs | sm | md...
Type Checking: typeof, GetType, or is?
...
All are different.
typeof takes a type name (which you specify at compile time).
GetType gets the runtime type of an instance.
is returns true if an instance is in the inheritance tree.
Example
class Animal { }
class Do...
How to parse Excel (XLS) file in Javascript/HTML5
...on"></textarea>
<script>
document.getElementById('upload').addEventListener('change', handleFileSelect, false);
</script>
This is a combination of the following Stackoverflow posts:
https://stackoverflow.com/a/37083658/4742733
https://stackoverflo...
Calling JMX MBean method from a shell script
...
is it possible to describe how it works? I mean, by default jmx uses rmi, and there i see http. Does it mean that server has to be configured to support jmx requests over http?
– Psychozoic
Aug 20 '19 at 16:20
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rsync: how can I configure it to create target directory on server?
...source user@remote:/tmp/x/y/z/
Or use the --relative option as suggested by Tony. In that case, you only specify the root of the destination, which must exist, and not the directory structure of the source, which will be created:
rsync -a --relative /new/x/y/z/ user@remote:/pre_existing/dir/
Th...
How do I generate random number for each row in a TSQL Select?
...
You multiply it by a number and floor it :) so if you want five digits, multiply by 100000, and convert to an int. Ugly, but simple enough to do.
– Jeremy Smyth
Jun 25 '09 at 17:27
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How do I handle ImeOptions' done button click?
... up with a combination of Roberts and chirags answers:
((EditText)findViewById(R.id.search_field)).setOnEditorActionListener(
new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
// Identifier of the acti...