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Using getopts to process long and short command line options
... GNU Getopt seems to be the only choice. On Mac, install GNU getopt from macports. On Windows, I'd install GNU getopt with Cygwin.
– Bill Karwin
Oct 18 '09 at 4:23
2
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Is JavaScript guaranteed to be single-threaded?
...r or timeout is entered, you remain completely in control until you return from the end of your block or function.
(*: ignoring the question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.)
Howev...
How can I create a directly-executable cross-platform GUI app using Python?
...Toolkit. I've found it easier to wrap my mind around than Tkinter, coming from pretty much no knowledge of GUI programming previously. It works pretty well and has some good tutorials. Unfortunately there isn't an installer for Python 2.6 for Windows yet, and may not be for a while.
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Match two strings in one line with grep
...o:
grep 'string1' filename | grep 'string2'
which will pipe the results from the first command into the second grep. That should give you only lines that match both.
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How to clear gradle cache?
...cleanBuildCache
Android Studio / IntelliJ
gradle tab (default on right) select and run the task or add it via the configuration window
**gradle/gradlew are system specific files containing scripts
- please see system info how to execute the script
linux - https://www.cyberciti.biz/faq/how...
How to read a file without newlines?
...r example:
Reading file one row at the time. Removing unwanted chars with from end of the string str.rstrip(chars)
with open(filename, 'r') as fileobj:
for row in fileobj:
print( row.rstrip('\n') )
see also str.strip([chars]) and str.lstrip([chars])
(python >= 2.0)
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A semantics for Bash scripts?
...rd splitting) and C (much of the shell's arithmetic syntax semantics comes from C).
The other root of the shell's syntax comes from its upbringing as a mishmash of individual UNIX utilities. Most of what are often builtins in the shell can actually be implemented as external commands. It throws man...
Web Service vs WCF Service
... For any new project based on SOA approach, Developer should select WCF over webservices. Because it gives the flexibility and scalibility for future use. There is only one exception: if the client doesn't support communication with wcf services i.e. Flash AS2.
–...
What is that “total” in the very first line after ls -l? [closed]
...ern storage device.
Why so confusing?
This number is fairly detached from any physical or meaningful metric. Many junior programmers haven't had experience with file holes or hard/sym links. In addition, the documentation available on this specific topic is virtually non-existent.
The disjo...
Integrating the ZXing library directly into my Android application
......
Navigate to the newly extracted folder and open the core directory and select core.jar ... hit enter!
Now you just have to correct a few errors in the translations and the AndroidManifest.xml file :) Now you can happily compile, and you will now have a working standalone barcode scanner app, b...