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How do you check that a number is NaN in JavaScript?
...bove cases" I wouldn't say wrong, just different, because the global isNaN converts the argument to a number value first.
– Felix Kling
Mar 7 '16 at 7:23
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How do you know a variable type in java?
...nceof String; will cause error error: incompatible types: Double cannot be converted to String
– Alex78191
Feb 20 at 18:48
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Creating anonymous objects in php
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Convert array to object (but this is not recursive to sub-childs):
$obj = (object) ['myProp' => 'myVal'];
share
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imp...
FormData.append(“key”, “value”) is not working
....form[i].value;
}
}
const data = formDataToObject.toObj(formObject): // convert "user[email]":"customer@mail.com" => "user":{"email":"customer@mail.com"}
const orderRes = await fetch(`/api/orders`, {
method: 'POST',
credentials: 'same-origin',
headers: {
'Con...
Play a Sound with Python [duplicate]
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You can use 2to3.py to convert tkSnack.py to Python 3. Place tkSnack.py into the "Lib" folder in your Python directory. Then place the snacklib folder into the "tcl" folder in your Python directory. Tested on Python 3.2.
– jac...
Jump into interface implementation in Eclipse IDE
...y view appears
In the lower part of the view, the method should already be selected. In its toolbar, click "Lock view and show members in hierarchy" (should be the leftmost toolbar icon).
In the upper part of the view, you can browse through all implementations of the method.
The procedure isn't v...
How find all unused classes in Intellij Idea?
...lick on Java/Declaration redundancy/Unused declaration
on the right bottom select "On the fly editor settings"
untick check fields, ..., check parameters. Only Check Classes should be ticked.
Press OK
Settings closes
On the menu bar, click on Analyze / Run Inspection by Name (or Ctrl+Alt+Shift+I...
Compiling C++11 with g++
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There are 2 choices for the alternative gcc (providing /usr/bin/gcc).
Selection Path Priority Status
------------------------------------------------------------
0 /usr/bin/gcc-4.6 60 auto mode
1 /usr/bin/gcc-4.6 60 manual mode
* 2 ...
How do I check whether a checkbox is checked in jQuery?
...sting code, you could therefore do this:
if(document.getElementById('isAgeSelected').checked) {
$("#txtAge").show();
} else {
$("#txtAge").hide();
}
However, there's a much prettier way to do this, using toggle:
$('#isAgeSelected').click(function() {
$("#txtAge").toggle(this.che...
JavaScript variable number of arguments to function
... method concat returns a copy of the 'array' it's called on, we can easily convert the arguments object to a real array like this: var args = [].concat.call(arguments). Some people prefer to use Array.prototype.concat.call instead, but I like the [], they are short and sweet!
–...