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What is __main__.py?
...ython -m my_program
You'll have to decide for yourself whether your application could benefit from being executed like this.
Note that a __main__ module usually doesn't come from a __main__.py file. It can, but it usually doesn't. When you run a script like python my_program.py, the script will...
Is there a pretty print for PHP?
...n't return anything (unless its second parameter is true), so you can't concatenate to another string. Use the following instead: function pr($var) { print '<pre>'; print_r($var); print '</pre>'; }
– Andrew Moore
Jul 23 '09 at 13:55
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Single vs double quotes in JSON
...
And I spoke too soon. Apparently it's more complicated than that.
– isaaclw
Dec 13 '12 at 22:45
6
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How do I extract the contents of an rpm?
...cpio arguments are
-i = extract
-d = make directories
-m = preserve modification time
-v = verbose
I found the answer over here: lontar's answer
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Comparing two files in linux terminal
... --unchanged-group-format="" file1.txt file2.txt
[root@vmoracle11 tmp]# cat file1.txt
test one
test two
test three
test four
test eight
[root@vmoracle11 tmp]# cat file2.txt
test one
test three
test nine
[root@vmoracle11 tmp]# diff --changed-group-format='%<' --unchanged-group-format='' file1...
Shell script to send email [duplicate]
...les too:
mail -s "Hello world" you@youremailid.com < /home/calvin/application.log
mail doesn't support the sending of attachments, but Mutt does:
echo "Sending an attachment." | mutt -a file.zip -s "attachment" target@email.com
Note that Mutt's much more complete than mail.
You can find bet...
How do I make CMake output into a 'bin' dir?
...
$ cat CMakeLists.txt
project (hello)
set(EXECUTABLE_OUTPUT_PATH "bin")
add_executable (hello hello.c)
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Shuffling a list of objects
...[2, 1, 3, 4, 0] two list same: False
# The function sample allows no duplicates.
# Result can be smaller but not larger than the input.
a = range(555)
b = random.sample(a, len(a))
print "no duplicates:", a == list(set(b))
try:
random.sample(a, len(a) + 1)
except ValueError as e:
print "Nop...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
... potentially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely.
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Abort makefile if variable not set
... exists in the root
# directory, e.g. left by an accidental `make -t` invocation.
.PHONY : __check_defined_FORCE
__check_defined_FORCE :
Usage:
foo :|check-defined-BAR
Notice that the check-defined-BAR is listed as the order-only (|...) prerequisite.
Pros:
(arguably) a more clean syntax
...