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iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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Referring to the null object in Python
How do I refer to the null object in Python?
6 Answers
6
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Print all but the first three columns
...A solution that does not add extra leading or trailing whitespace:
awk '{ for(i=4; i<NF; i++) printf "%s",$i OFS; if(NF) printf "%s",$NF; printf ORS}'
### Example ###
$ echo '1 2 3 4 5 6 7' |
awk '{for(i=4;i<NF;i++)printf"%s",$i OFS;if(NF)printf"%s",$NF;printf ORS}' |
tr ' ' '-'
4-5-6-7
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How to automatically generate a stacktrace when my program crashes
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For Linux and I believe Mac OS X, if you're using gcc, or any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documen...
Allowed characters in Linux environment variable names
...acters are allowed in Linux environment variable names? My cursory search of man pages and the web did only produce information about how to work with variables, but not which names are allowed.
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Exploring Docker container's file system
...cker that I need to understand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
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We performed experiments to investigate the grammar of batch scripts. We also investigated differences between batch and command line mode.
Batch Line Parser:
Here is a brief overview of phases in the batch file line parser:
Pha...
Keyboard Interrupts with python's multiprocessing Pool
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This is a Python bug. When waiting for a condition in threading.Condition.wait(), KeyboardInterrupt is never sent. Repro:
import threading
cond = threading.Condition(threading.Lock())
cond.acquire()
cond.wait(None)
print "done"
The KeyboardInterrupt except...
How can I use “sizeof” in a preprocessor macro?
Is there any way to use a sizeof in a preprocessor macro?
13 Answers
13
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Any reason to write the “private” keyword in C#?
As far as I know, private is the default everywhere in C# (meaning that if I don't write public , protected , internal , etc. it will be private by default). (Please correct me if I am wrong.)
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