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sed beginner: changing all occurrences in a folder
...S CODE DOES NOT WORK
because the shell truncates the file before sed can read it.
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Instance attribute attribute_name defined outside __init__
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The idea behind this message is for the sake of readability. We expect to find all the attributes an instance may have by reading its __init__ method.
You may still want to split initialization into other methods though. In such case, you can simply assign attributes to N...
click() event is calling twice in jquery
...ton").unbind(); or make a simple test to check how many times that code is read, if more than once...
– TheSystem
Jul 19 '11 at 10:59
3
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...e use nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I...
Wireshark localhost traffic capture [closed]
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If you're using Windows it's not possible - read below. You can use the local address of your machine instead and then you'll be able to capture stuff. See CaptureSetup/Loopback.
Summary: you can capture on the
loopback interface on Linux, on
various BSDs inclu...
How do I get the result of a command in a variable in windows?
...ne numbers from the file
rem ---------
rem This is the file that is being read: You can replace this with %1 for dynamic behaviour or replace it with some command like the first example i gave with the 'CD' command.
set _readfile=test.txt
for /f "usebackq tokens=2 delims=:" %%a in (`find /c /v "" ...
How does data binding work in AngularJS?
...has an inconsistent view of the world. This is a very similar problem to thread locking, which JavaScript avoids since each callback executes exclusively and to completion. Change events break this since setters can have far-reaching consequences which are not intended and non obvious, which creates...
How do SQL EXISTS statements work?
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I think my confusion might be that I've read that the subquery with an EXISTS returns true or false; but this can't be the only thing that it returns, right? Is the subquery also returning all "suppliers who have corresponding rows in the orders table"? But if it i...
What is the difference between const_iterator and non-const iterator in the C++ STL?
...d to modify the container with them), to better document your intention of reading without modifying.
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How are POST and GET variables handled in Python?
...n Python, these functions would be os.getenv('QUERY_STRING') and sys.stdin.read(). Remember to import os and sys modules.
We have to be careful with the word "CGI" here, especially when talking about two languages and their commonalities when interfacing with a web server. 1. CGI, as a protocol, de...