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Convert JS Object to form data
...
You haven't posted any code, so it's a general example;
var form_data = new FormData();
for ( var key in item ) {
form_data.append(key, item[key]);
}
$.ajax({
url : 'http://example.com/upload.php',
data : form_data,
processData : false,
contentType : false,
...
How to remove element from array in forEach loop?
...prototype.filter but this does not mutate the original array but creates a new one, so while you can get the correct answer it is not what you appear to have specified.
We could also use ES5 Array.prototype.reduceRight, not for its reducing property by rather its iteration property, i.e. iterate in ...
What is the !! (not not) operator in JavaScript?
... use boolean primitives instead of creating objects that box booleans with new Boolean(). Here's an example to see the difference: jsfiddle.net/eekbu
– victorvartan
Feb 3 '13 at 12:24
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Understanding Python super() with __init__() methods [duplicate]
..., self).__init__() does not work if you subclass again without providing a new __init__. Then you have an infinite recursion.
– glglgl
Mar 31 '14 at 7:21
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'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
...your providers with the powershell-command from both 32 and 64bit shell:
(New-Object system.data.oledb.oledbenumerator).GetElements() | select SOURCES_NAME, SOURCES_DESCRIPTION
and you will see which provider your system can use
the long story:
the strings can be found with http://live.sysinter...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
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Bind has been deprecated and a newer version of code similar to this can be seen in this answer: stackoverflow.com/a/1889450/908677
– Elijah Lofgren
Jan 22 '16 at 21:44
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...lla Documentation:
The NodeSelector interface
This specification adds two new methods to any objects implementing the Document, DocumentFragment, or Element interfaces:
querySelector
Returns the first matching Element node within the node's subtree. If
no matching node is found, null is retu...
End of support for python 2.7?
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you should read this carefully (ref : https://news.ycombinator.com/item?id=7582300 ):
There are a lot of comments here from people who aren't on the python-dev list and don't really understand what this diff actually means.
The core developers are not required to m...
Android check internet connection [duplicate]
...p;& activeNetwork.isConnected()) {
try {
URL url = new URL("http://www.google.com/");
HttpURLConnection urlc = (HttpURLConnection)url.openConnection();
urlc.setRequestProperty("User-Agent", "test");
urlc.setRequestProperty("Connection", "cl...
Iterate through a C++ Vector using a 'for' loop
I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList:
...