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Are unused CSS images downloaded?
...t
Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test and comment?)
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Recursively counting files in a Linux directory
...IR_NAME -type f | wc -l
Explanation:
-type f to include only files.
| (and not ¦) redirects find command's standard output to wc command's standard input.
wc (short for word count) counts newlines, words and bytes on its input (docs).
-l to count just newlines.
Notes:
Replace DIR_NAME with...
Python Nose Import Error
...nswered Jun 18 '10 at 22:09
ire_and_cursesire_and_curses
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Why are trailing commas allowed in a list?
I am curious why in Python a trailing comma in a list is valid syntax, and it seems that Python simply ignores it:
5 Answer...
Most efficient way to increment a Map value in Java
...ood answers to this question--thanks folks--so I decided to run some tests and figure out which method is actually fastest. The five methods I tested are these:
the "ContainsKey" method that I presented in the question
the "TestForNull" method suggested by Aleksandar Dimitrov
the "AtomicLong" meth...
How can I increment a date by one day in Java?
...Docs would clarify that this would increment larger fields (like the month and year). Calendar.roll "Adds or subtracts (up/down) a single unit of time on the given time field without changing larger fields" .. Again, "larger fields" is vague but that seems consistent with Sam's comment. I wish t...
PHP how to get local IP of system
... answered Nov 5 '13 at 18:37
andras.timandras.tim
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The transaction log for the database is full
...arily require lots of space for the log file, I created a second log file and made it huge. Once the project is complete we then removed the extra log file.
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File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
...idden by calls to System.setProperty(String key, String value) or with command line parameters -Dfile.separator=/
File.separator gets the separator for the default filesystem.
FileSystems.getDefault() gets you the default filesystem.
FileSystem.getSeparator() gets you the separator character for ...
git diff renamed file
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The issue with the difference between HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEA...