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How to show the loading indicator in the top status bar
...y top of the phone) when they are accessing the network. Is there a way to do the same thing in SDK apps, or is this an Apple only thing?
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Printing the last column of a line in a file
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You don't see anything, because of buffering. The output is shown, when there are enough lines or end of file is reached. tail -f means wait for more input, but there are no more lines in file and so the pipe to grep is never clo...
Is there any way to delete local commits in Mercurial?
...making a silly mistake in Mercurial. Often times, I'll start work without doing an "hg pull" and an "hg update." When I try to push my changes, I get an error.
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
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What you have done is perfect and very good practice.
The reason I say its good practice... For example, if for some reason you are using a "primitive" type of database pooling and you call connection.close(), the connection will be retur...
How to call getClass() from a static method in Java?
...r paste-safe log declarations are provided in other answers, but they have downsides such as inflating bytecode or adding runtime introspection. I don't recommend these. Copy-paste is an editor concern, so an editor solution is most appropriate.
In IntelliJ, I recommend adding a Live Template:
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Why is Github asking for username/password when following the instructions on screen and pushing a n
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Don't use HTTP use SSH instead
change
https://github.com/WEMP/project-slideshow.git
to
git@github.com:WEMP/project-slideshow.git
you can do it in .git/config file
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What are good examples of genetic algorithms/genetic programming solutions? [closed]
...didn't even have classes.
The application started with a population of randomly-generated fixed-length strings (the "gene" part), each of which corresponded to a specific shape in the minute-by-minute price data of the S&P500 futures, as well as a specific order (buy or sell) and stop-loss and ...
How can I check for Python version in a program that uses new language features?
... test using eval:
try:
eval("1 if True else 2")
except SyntaxError:
# doesn't have ternary
Also, with is available in Python 2.5, just add from __future__ import with_statement.
EDIT: to get control early enough, you could split it into different .py files and check compatibility in the main...
How to include external Python code to use in other files?
...need to import the other file as a module like this:
import Math
If you don't want to prefix your Calculate function with the module name then do this:
from Math import Calculate
If you want to import all members of a module then do this:
from Math import *
Edit: Here is a good chapter from...
Get the first key name of a javascript object [duplicate]
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In Javascript you can do the following:
Object.keys(ahash)[0];
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