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How to track down log4net problems
...ll what's going on on the inside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll figure out why eventually, but it would help a lot if I could see what's going...
gitignore does not ignore folder
... has been checked into git before?
Run git rm -r --cached <folder> and check again.
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
...relationships involve a parent table that holds the
central data values, and a child table with identical values pointing
back to its parent. The FOREIGN KEY clause is specified in the child
table.
It will reject any INSERT or UPDATE operation that attempts to create
a foreign key value...
What modern C++ libraries should be in my toolbox? [closed]
I've been out of the C++ game for about 10 years and I want to get back in and start on a commercial app. What libraries are in use these days?
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Unable to show a Git tree in terminal
...witchcollective.com's old article, 30 June 2009 , has the following inputs and outputs
6 Answers
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How do I get the list of keys in a Dictionary?
I only want the Keys and not the Values of a Dictionary.
9 Answers
9
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Most efficient way to concatenate strings?
...ike:
x = f1(...) + f2(...) + f3(...) + f4(...)
that's one concat and it's zippy, StringBuilder probably won't help.
If your pattern looks like:
if (...) x += f1(...)
if (...) x += f2(...)
if (...) x += f3(...)
if (...) x += f4(...)
then you probably want StringBuil...
Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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IDEA: javac: source release 1.7 requires target release 1.7
...incorrect compiler options imported from Maven here:
Also check project and module bytecode (target) version settings outlined on the screenshot.
Other places where the source language level is configured:
Project Structure | Project
Project Structure | Modules (check every module) | Sour...
Sorting an array of objects by property values
I've got the following objects using AJAX and stored them in an array:
30 Answers
30
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