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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
...ently i got the same error. After lot of surfing this solution helped me.
alerts = {'upper':[1425],'lower':[576],'level':[2],'datetime':['2012-08-08 15:30']}
def myconverter(obj):
if isinstance(obj, np.integer):
return int(obj)
elif isinstance(obj, np.floating):
...
How to find the width of a div using vanilla JavaScript?
...;
var half=(width/2);
if(x>half)
{
// alert('right click');
gallery.next();
}
else
{
// alert('left click');
gallery.prev();
}
}
...
How do I get the value of a textbox using jQuery?
..."txtEmail" class="textbox" value="1">
$(document).ready(function(){
alert($("#txtEmail").val());
alert($(".textbox").val());//Not recommended
});
Using class name for getting any text-box control value can return other or wrong value as same class name can also be defined for any other ...
How to find the array index with a value?
...ar index = functiontofindIndexByKeyValue(studentsArray, "name", "tanmay");
alert(index);
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Check whether a string matches a regex in JS
...
You can use match() as well:
if (str.match(/^([a-z0-9]{5,})$/)) {
alert("match!");
}
But test() seems to be faster as you can read here.
Important difference between match() and test():
match() works only with strings, but test() works also with integers.
12345.match(/^([a-z0-9]{5,})$/...
Adding code to a javascript function programmatically
...s call it.
So if this is the original...
someFunction = function() {
alert("done");
}
You'd do this...
someFunction = (function() {
var cached_function = someFunction;
return function() {
// your code
var result = cached_function.apply(this, arguments); // use .app...
How do you 'redo' changes after 'undo' with Emacs?
...ntuitive. This should be in the default packages. One comment: I wish some alert message was also shown when redoing from a branch point, not just when reverting to it. For example, when user calls a redo: 'Redoing from a branch point' or 'Default redo branch used' - just to alert the user that ther...
Get div height with plain JavaScript
...
jsFiddle
var element = document.getElementById('element');
alert(element.offsetHeight);
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return, return None, and no return at all?
... of the prisoners. If we don't find the prisoner with a knife, we raise an alert. This could be done in many different ways and using return is probably not even the best way, but it's just an example to show how to use return for exiting a function.
def find_prisoner_with_knife(prisoners):
for...
What's the difference between String(value) vs value.toString()
...ethod unavailable:
o.valueOf = null;
try {
String(o);
} catch (e) {
alert(e); // TypeError
}
If you want to know more about this mechanism I would recommend looking at the ToPrimitive and the ToString internal operations.
I also recommend reading this article:
Object-to-Primitive Convers...