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Mercurial - all files that changed in a changeset?
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For easy copying: hg status --no-status --change REV
– zastrowm
Jul 9 '13 at 15:58
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Check if object is file-like in Python
...ather than just using it as if it was a file and handling the resulting error?
Any check you can do is going to happen at runtime anyway so doing something like if not hasattr(fp, 'read') and raising some exception provides little more utility than just calling fp.read() and handling the resulting...
Calling a Method From a String With the Method's Name in Ruby
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To call functions directly on an object
a = [2, 2, 3]
a.send("length")
# or
a.public_send("length")
which returns 3 as expected
or for a module function
FileUtils.send('pwd')
# or
FileUtils.public_send(:pwd)
and a locally defined method
def load()
puts "load() function was executed."
e...
ping response “Request timed out.” vs “Destination Host unreachable”
...problems: either the local system has no route to the desired destination, or a remote router reports that it has no route to the destination.
If the message is simply "Destination Host Unreachable," then there is no route from the local system, and the packets to be sent were never put on the wire...
Python: Convert timedelta to int in a dataframe
...mber of days in a timedelta column. Is it possible to use 'datetime.days' or do I need to do something more manual?
4 Answ...
How does Access-Control-Allow-Origin header work?
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Access-Control-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is ac...
Get most recent file in a directory on Linux
Looking for a command that will return the single most recent file in a directory.
21 Answers
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What does the 'b' character do in front of a string literal?
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To quote the Python 2.x documentation:
A prefix of 'b' or 'B' is ignored in
Python 2; it indicates that the
literal should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b' prefix may be followed by
an 'r' prefix.
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Detecting endianness programmatically in a C++ program
Is there a programmatic way to detect whether or not you are on a big-endian or little-endian architecture? I need to be able to write code that will execute on an Intel or PPC system and use exactly the same code (i.e. no conditional compilation).
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what is the difference between a portlet and a servlet?
I am asked to work on portlets and portals.
5 Answers
5
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