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Getting DOM elements by classname
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That's great. I got the element with the class. Now I want to edit content of the element, like append child to the element containing the class. How to append the child and recreate whole HTML? Please help. This is what I have done. $classResult = getElementByClass($dom, ...
Why doesn't Java Map extend Collection?
...ven key
maps to, nor can you delete the entry
for a given key without knowing what
value it maps to.
Collection could be made to extend
Map, but this raises the question:
what are the keys? There's no really
satisfactory answer, and forcing one
leads to an unnatural interface.
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Singleton pattern in nodejs - is it needed?
...ntly came across this article on how to write a singleton in Node.js. I know the documentation of require states that:
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bash assign default value
...stead of the longer LONG_VARIABLE_NAME=${LONG_VARIABLE_NAME:-hello} , but now bash also tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful?
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How to add local jar files to a Maven project?
...rflow user - I am pretty sure I've seen a similar answer here before - but now I cannot find it.
The best option for having local JAR files as a dependency is to create a local Maven repository. Such a repository is nothing more than a proper directory structure with pom files in it.
For my exam...
Git push to wrong branch
...t branch -d wrong_branch
git branch rename new_wrong_branch wrong_branch
Now the setting is
A -- B -- C -- C1 -- C2 -- C3 -- C4 # right_branch
\
\ -- D # wrong_branch
Then you have to push your results with force (IF nobody has synchronized with your remote repo yet):
git ...
Count(*) vs Count(1) - SQL Server
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now that you ask, I'm not sure. I thought for COUNT(*) to run, it needs a table, so the sub-query should act like one. Otherwise, I don't see a way for COUNT(*) to return a meaningful value
– asgs
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to_string is not a member of std, says g++ (mingw)
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This is a known bug under MinGW. Relevant Bugzilla. In the comments section you can get a patch to make it work with MinGW.
This issue has been fixed in MinGW-w64 distros higher than GCC 4.8.0 provided by the MinGW-w64 project. Despite...
Warning the user/local/mysql/data directory is not owned by the mysql user
I can't start the mysql service in Snow Leopard, and in the panel prefs appears the message,
2 Answers
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Process escape sequences in a string in Python
...Adding a regular expression to solve the problem
(Surprisingly, we do not now have two problems.)
What we need to do is only apply the unicode_escape decoder to things that we are certain to be ASCII text. In particular, we can make sure only to apply it to valid Python escape sequences, which are...