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What does jquery $ actually return?
I have read the JQuery documentation, and while much attention is devoted to what you should pass the function, I don't see any information on what it actually returns .
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Java: How to Indent XML Generated by Transformer
I'm using Java's built in XML transformer to take a DOM document and print out the resulting XML. The problem is that it isn't indenting the text at all despite having set the parameter "indent" explicitly.
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JPA OneToMany not deleting child
...mply because you've removed them from a OneToMany collection. There are vendor-specific extensions that do that but native JPA doesn't cater for it.
In part this is because JPA doesn't actually know if it should delete something removed from the collection. In object modeling terms, this is the dif...
Deleting all files from a folder using PHP?
... I wanted to delete or flush all files from this folder using PHP. Could I do this?
17 Answers
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In Functional Programming, what is a functor?
...be used in the binary tree
A total-ordering function on keys
Once you've done this, you can use the same balanced binary tree implementation forever. (The type of value stored in the tree is usually left polymorphic—the tree doesn't need to look at values other than to copy them around, whereas...
How to check for file lock? [duplicate]
...come locked the very next second (read: short timespan).
Why specifically do you need to know if the file is locked anyway? Knowing that might give us some other way of giving you good advice.
If your code would look like this:
if not locked then
open and update file
Then between the two li...
Creating a constant Dictionary in C#
...tatement like this:
switch (myString)
{
case "cat": return 0;
case "dog": return 1;
case "elephant": return 3;
}
This is exactly what you want. And yes, I know, it's ugly.
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improv...
How to Add a Dotted Underline Beneath HTML Text
How do you underline html text so that the line beneath the text is dotted rather than the standard underline? Preferably, I would like to do this without using a separate CSS file. I'm a novice at html.
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Difference between Service, Async Task & Thread?
...en Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when?
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csv.Error: iterator should return strings, not bytes
...flag rt (read, text) is the default, so, using the context manager, simply do this:
with open('sample.csv') as ifile:
read = csv.reader(ifile)
for row in read:
print (row)
The context manager means you don't need generic error handling (without which you may get stuck with the ...