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Creating an empty list in Python
...ny list, and if I append something else, e.g.
t = t.append(2)
I get the error "'NoneType' object has no attribute 'append'". If, however, I create the list by
t = list() # explicit instantiation
then it works fine.
sh...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
...se python3 -m http.server 8081 --bind 127.0.0.1, otherwise you will get an error that /usr/bin/python: No module named http
– Haris Np
May 16 '19 at 8:06
add a comment
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res.sendFile absolute path
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Working with express and webstorm ide: got no error in console.log(path.join(__dirname, '../public', 'index.html')); but res.sendFile(path.join(__dirname, '../public', 'index.html')); work only with var path = require('path');
– Quake1TF
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C# Passing Function as Argument [duplicate]
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I'm getting this error: The type arguments for method 'Runner<T>(Func<T>)' cannot be inferred from the usage. Try specifying the type arguments explicitly.
– DermFrench
Sep 3 '15 at 10:08
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...! Launching the pre Update 1 VCRedist with Update 1 installed gave me an error - so I'm going to use the VC installer reg key - which seems to be fine if you use VCRedist?
– GilesDMiddleton
Jan 22 '16 at 11:14
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Checking that a List is not empty in Hamcrest
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@dzieciou it gives you a better error message when the test fails. So instead of expected true but got false you get something like expected empty but got [1, 2, 3]
– Brad Cupit
Oct 22 '12 at 14:10
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How to read attribute value from XmlNode in C#?
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A shorthand way of not getting an error for nulls is node.Attributes?["Name"]?.Value
– brandonstrong
Mar 2 '17 at 19:51
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log4j: Log output of a specific class to a specific appender
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An example:
log4j.rootLogger=ERROR, logfile
log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.datePattern='-'dd'.log'
log4j.appender.logfile.File=log/radius-prod.log
log4j.appender.logfile.layout=org.apache.log4j.Pa...
Checking length of dictionary object [duplicate]
...th of my dictionary to test whether it had any objects in it. For regular error handling I guess you'd just check for null on a dictionary but just wanted to see how many returned and was added to my dictionary. So the problem was not how to iterate, just see how to get the count which I just thou...
Return Boolean Value on SQL Select Statement
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Error: "Incorrect syntax near the keyword 'EXISTS'." sqlfiddle.com/#!18/ef905/18
– JoePC
Jul 16 '18 at 20:21
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