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How do I execute a bash script in Terminal?
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@kot "It happens to work for me" is very far from "this is a correct answer". It can work if sh is a symlink to bash, or if the script does not use any Bash-specific construct. In the former case, using bash instead of sh is the only correct, portable solution; in the l...
How do I format a number in Java?
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From this thread, there are different ways to do this:
double r = 5.1234;
System.out.println(r); // r is 5.1234
int decimalPlaces = 2;
BigDecimal bd = new BigDecimal(r);
// setScale is immutable
bd = bd.setScale(decimalPla...
Bootstrap Dropdown menu is not working
...othing that fixed everyone's problems helped. I copied the source straight from bootstrap's website, but I can't seem to get it to work on my machine. Anyone have any ideas? I have been staring at it for an hour and can't seem to figure out what the problem is.
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How could I use requests in asyncio?
...aseEventLoop.run_in_executor to run a function in another thread and yield from it to get the result. For example:
import asyncio
import requests
@asyncio.coroutine
def main():
loop = asyncio.get_event_loop()
future1 = loop.run_in_executor(None, requests.get, 'http://www.google.com')
f...
AES vs Blowfish for file encryption
...e that has the key in it, or maybe blackmailing your friend to copy a file from your computer. Those are going to be where you are most vulnerable, not the algorithm.
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How to grant remote access to MySQL for a whole subnet?
...t solution.
Simply use a percent sign as a wildcard in the IP address.
From http://dev.mysql.com/doc/refman/5.1/en/grant.html
You can specify wildcards in the host name. For example, user_name@'%.example.com' applies to user_name for any host in the example.com domain, and user_name@'192.168...
How to debug a Flask app
...r=False), or point it at the venv/bin/flask script and use it as you would from the command line. You can leave the reloader disabled, but a reload will kill the debugging context and you will have to catch a breakpoint again.
You can also use pdb, pudb, or another terminal debugger by calling set_...
Creating and playing a sound in swift
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But attention! It will pause background music from player. To play short sound we must use answer below
– Nikita Pronchik
Jul 15 '15 at 9:41
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How do I scroll the UIScrollView when the keyboard appears?
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The recommended way from Apple is to change the contentInset of the UIScrollView. It is a very elegant solution, because you do not have to mess with the contentSize.
Following code is copied from the Keyboard Programming Guide, where the handl...
Why does the JVM still not support tail-call optimization?
...ade statically in an object-oriented language. Instead, the transformation from tail-recursive function to simple loop must be done dynamically by a JIT compiler.
It then gives an example of Java code that won't transform.
So, as the example in Listing 3 shows, we cannot expect static compile...