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Accessing the web page's HTTP Headers in JavaScript
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It's not possible to read the current headers. You could make another request to the same URL and read its headers, but there is no guarantee that the headers are exactly equal to the current.
Use the following JavaScript code to get all the H...
Which characters make a URL invalid?
...rcent-encoded as "%25" for that octet to be used as data within a URI." I read that as saying that a "%" may only appear if it is followed by two hex digits. How do you read it?
– Leif Wickland
Jan 5 '12 at 0:00
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In log4j, does checking isDebugEnabled before logging improve performance?
...n. Therefore you're just adding bloat to your code and making it harder to read.
I personally use the Java 1.5 format calls in the String class like this:
Var myVar = new MyVar();
log.debug(String.format("My var is '%s', value: '%s'", myVar, myVar.someCall()));
I doubt there's much optimisation ...
How can I get a resource “Folder” from inside my jar File?
...er, loop on the Files inside that Folder and get a Stream to each file and read in the content... Assume that the File names are not determined before runtime... What should I do? Is there a way to get a list of the files inside a Folder in your jar File?
Notice that the Jar file with the resources...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...r example by preventing extra lookups)
cleaner code (fewer lines/easier to read)
Often, these go hand-in-hand.
speed-ups
In the case of trying to find an element in a long list by:
try:
x = my_list[index]
except IndexError:
x = 'NO_ABC'
the try, except is the best option when the in...
Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
...the following error:
Archive for required library in project cannot be read...
and when that was fixed the "inconsistent-error" disappeared.
Actually I had added jars to the build path, but for some reason they could not be read with error
Archive for required library in project cannot be...
Fetch frame count with ffmpeg
...ffprobe -v error -count_frames -select_streams v:0 -show_entries stream=nb_read_frames -of default=nokey=1:noprint_wrappers=1 input.mkv
This is a slow method.
Add the -skip_frame nokey option to only count key frames.
ffmpeg: Count the number of frames
If you do not have ffprobe you can use ff...
Downloading a picture via urllib and python
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f.write(urllib.urlopen('http://www.gunnerkrigg.com//comics/00000001.jpg').read())
f.close()
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MySQL Insert into multiple tables? (Database normalization?)
...ver crashes). If you can live with "some have finished, others not", don't read on.
If however you decide "either all queries finish, or none finish - I do not want rows in some tables but no matching rows in others, I always want my database tables to be consistent", you need to wrap all statement...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
...inx. but the community is large. And I can always figure out everything by reading the source code of solr.
– Tyler Long
Jan 4 '12 at 4:09
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