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How do I convert a String to an int in Java?
...String myString = "1234";
int foo = Integer.parseInt(myString);
If you look at the Java documentation you'll notice the "catch" is that this function can throw a NumberFormatException, which of course you have to handle:
int foo;
try {
foo = Integer.parseInt(myString);
}
catch (NumberFormatExcep...
Origin is not allowed by Access-Control-Allow-Origin
I'm making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap ).
18 Answers
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How exactly does the python any() function work?
... True.
In the code you posted, x > 0 for x in lst, this is a different kind of iterable, called a generator expression. Before generator expressions were added to Python, you would have created a list comprehension, which looks very similar, but with surrounding []'s: [x > 0 for x in lst]. Fr...
Is there a CSS selector for elements containing certain text?
I am looking for a CSS selector for the following table:
18 Answers
18
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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
...ehow I've managed to completely bugger the install of postgresql on Ubuntu karmic. I want to start over from scratch, but when I "purge" the package with apt-get it still leaves traces behind such that the reinstall configuration doesn't run properly.
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Dump a NumPy array into a csv file
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cs95
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answered May 21 '11 at 10:10
Jim BrissomJim...
Extract a part of the filepath (a directory) in Python
...act the name of the parent directory of a certain path. This is what it looks like:
7 Answers
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How to terminate script execution when debugging in Google Chrome?
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In Chrome, there is "Task Manager", accessible via Shift+ESC or through
Menu → More Tools → Task Manager
You can select your page task and end it by pressing "End Process" button.
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...'t understand why "normal reduction which performs in O(n2)". to me it "looks" more like O(n)...
– datahaki
Mar 15 '17 at 12:55
2
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What is the difference between an abstract function and a virtual function?
...mplement in the parent class.
A virtual function, is basically saying look, here's the functionality that may or may not be good enough for the child class. So if it is good enough, use this method, if not, then override me, and provide your own functionality.
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