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How can I format a decimal to always show 2 decimal places?
...robably using the Decimal() objects from the decimal module? (If you need exactly two digits of precision beyond the decimal point with arbitrarily large numbers, you definitely should be, and that's what your question's title suggests...)
If so, the Decimal FAQ section of the docs has a question/an...
How to drop columns using Rails migration
What's the syntax for dropping a database table column through a Rails migration?
20 Answers
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Is there a way to run Python on Android?
...ovative user interfaces, such as multi-touch apps.
Kivy runs on Linux, Windows, OS X, Android and iOS. You can run the same [python] code on all supported platforms.
Kivy Showcase app
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twitter bootstrap navbar fixed top overlapping site
I am using bootstrap on my site and am having issues with the navbar fixed top. When I am just using the regular navbar, everything is fine. However, when i try to switch it to navbar fixed top, all the other content on the site shifts up like the navbar isn't there and the navbar overlaps it. here'...
Unix shell script find out which directory the script file resides?
...n't add anything useful). The interesting work is done by the mentioned unix command readlink with option -f. Works when the script is called by an absolute as well as by a relative path.
For bash, sh, ksh:
#!/bin/bash
# Absolute path to this script, e.g. /home/user/bin/foo.sh
SCRIPT=$(readlink -...
Convenient C++ struct initialisation
...t I meant to make was that anyone hoping this might help enforce complete explicit initialization of POD types will be disappointed.
– Catskul
Jun 27 '19 at 15:31
add a commen...
OpenSSL and error in reading openssl.conf file
I am running windows xp 32bit
16 Answers
16
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SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...线程启动例程找到答案：ntdll32!_RtlUserThreadStart()里。0:000:x86> uf ntdll32!_Rt...线程的第 1 个 SEH 结构是什么时候构建的，我在线程启动例程找到答案：ntdll32!_RtlUserThreadStart() 里。
0:000:x86> uf ntdll32!_RtlUserThreadStart
ntdll32!_RtlUser...
Android Reading from an Input stream efficiently
... as a String, simply add:
String result = total.toString();
I'll try to explain it better...
a += b (or a = a + b), where a and b are Strings, copies the contents of both a and b to a new object (note that you are also copying a, which contains the accumulated String), and you are doing those co...
How to process SIGTERM signal gracefully?
...l_now = False
def __init__(self):
signal.signal(signal.SIGINT, self.exit_gracefully)
signal.signal(signal.SIGTERM, self.exit_gracefully)
def exit_gracefully(self,signum, frame):
self.kill_now = True
if __name__ == '__main__':
killer = GracefulKiller()
while not killer.kill_now:...