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Sorting a tab delimited file
...u probably want
sort -k4nr file.txt
to sort file.txt by column 4 numerically in reverse order. (Though the data in the question has even 5 fields so the last field would be index 5.)
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impr...
How do I get a substring of a string in Python?
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Substr() normally (i.e. PHP and Perl) works this way:
s = Substr(s, beginning, LENGTH)
So the parameters are beginning and LENGTH.
But Python's behaviour is different; it expects beginning and one after END (!). This is difficult to spot by beg...
XmlSerializer: remove unnecessary xsi and xsd namespaces
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Since Dave asked for me to repeat my answer to Omitting all xsi and xsd namespaces when serializing an object in .NET, I have updated this post and repeated my answer here from the afore-mentioned link. The example used in this answer is the same example used for the other questio...
How to make an array of arrays in Java
Hypothetically, I have 5 string array objects:
4 Answers
4
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Javascript - Append HTML to container element without innerHTML
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@Toastgeraet: This is example is not iterating over e.firstChild. Rather, it checks whether e has a child and if yes, move that child over to the element.
– Felix Kling
Apr 18 '19 at 18:04
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Peak detection in a 2D array
...ler solution than (eroded_background ^ local_peaks). Just do (foreground & local peaks)
– Ryan Soklaski
Jun 22 '17 at 2:12
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Aborting a stash pop in Git
...l since some of the things it wants to undo did not get done.
Here's an example showing how the working copy (via git status) ends up clean again:
$ git status
# On branch trunk
nothing to commit (working directory clean)
$ git stash apply
Auto-merging foo.c
# On branch trunk
# Changed but not u...
My docker container has no internet
...RIDGE type bridge
ip link delete docker0 type bridge
service docker start && service docker stop
iptables -t nat -A POSTROUTING ! -o docker0 -s 172.17.0.0/16 -j MASQUERADE
iptables -t nat -A POSTROUTING ! -o docker0 -s 172.18.0.0/16 -j MASQUERADE
service docker start
...
How do I perform HTML decoding/encoding using Python/Django?
...tion, for reference:
def escape(html):
"""Returns the given HTML with ampersands, quotes and carets encoded."""
return mark_safe(force_unicode(html).replace('&', '&').replace('<', '&l
t;').replace('>', '>').replace('"', '"').replace("'", '''))
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Determine a string's encoding in C#
...tection or attempted detection of UTF-7, UTF-8/16/32 (bom, no bom, little & big endian)
Falls back to the local default codepage if no Unicode encoding was found.
Detects (with high probability) unicode files with the BOM/signature missing
Searches for charset=xyz and encoding=xyz inside file to...