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Read url to string in few lines of java code
...the main method to, say getText, pass URL string as a parameter and have a one-liner: String content = URLConnectionReader.getText("http://www.yahoo.com/");
– Goran Jovic
Dec 1 '10 at 20:27
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javascript function leading bang ! syntax
...a large block of code will expect a self-invocation, the way we are conditioned already to expect the same when we see (function. Except that we will lose those annoying parentheses. I would expect that's the reason, as opposed to any savings in speed or character count.
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UITableViewCell, show delete button on swipe
... single key method in the code above that enables row deletion is the last one. Here it is again for emphasis:
// this method handles row deletion
func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
if editingStyle == .del...
git command to move a folder inside another
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One of the nicest things about git is that you don't need to track file renames explicitly. Git will figure it out by comparing the contents of the files.
So, in your case, don't work so hard:
$ mkdir include
$ mv common in...
How to check if a specific key is present in a hash or not?
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While Hash#has_key? gets the job done, as Matz notes here, it has been deprecated in favour of Hash#key?.
hash.key?(some_key)
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How to create a custom exception type in Java? [duplicate]
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(1) You should make your new exception a public one, so that methods calling your method may catch this new exception and do something with it (if you mean this new exception to be a checked exception, see my edit. (2) Make the constructors public, no need to hide them. (3...
How can I use Google's Roboto font on a website?
...e fonts are really there. If not, use your own (btw loading all files from one font family normally does not exceed 0.5MB).
– Armfoot
Aug 12 '13 at 5:47
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What are Vertex Array Objects?
...e VAO again, all the those attributes and pointers also become current. So one glBindVertexArray call is equivalent to all the code previously needed to set up all the attributes. It's handy for passing geometry around between functions or methods without having to create your own structs or objects...
What is the best project structure for a Python application? [closed]
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According to Jean-Paul Calderone's Filesystem structure of a Python project:
Project/
|-- bin/
| |-- project
|
|-- project/
| |-- test/
| | |-- __init__.py
| | |-- test_main.py
| |
| |-- __init__.py
| |-- main.py
|
|-- setup.py
|-- ...
javac is not recognized as an internal or external command, operable program or batch file [closed]
...VA_HOME.
Close and re-open console/IDE.
Welcome!
You have encountered one of the most notorious technical issues facing Java beginners: the 'xyz' is not recognized as an internal or external command... error message.
In a nutshell, you have not installed Java correctly. Finalizing the installa...