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What is the difference between a HashMap and a TreeMap? [duplicate]
I started learning Java. When would I use a HashMap over a TreeMap?
8 Answers
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SQL query return data from multiple tables
... can say is to try it) as it is much easier to understand when the queries start getting more complex. Why use it? Is there a performance gain? The short answer is no, but it is easier to read once you get used to it. It is easier to read queries written by other folks using this syntax.
I am also ...
Why use def main()? [duplicate]
...ite a main() function and call it inside an if statement.
I myself usually start writing small throwaway scripts without any kind of function. If the script grows big enough, or if I feel putting all that code inside a function will benefit me, then I refactor the code and do it. This also happens w...
PHP Get all subdirectories of a given directory
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This ignores directories starting with a dot, ie. ".config"
– blade
Apr 5 at 10:26
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Show diff between commits
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I am starting to trust gitk a little less because it is showing a different commiter Author than the actual one.
– Ciasto piekarz
Feb 9 '18 at 3:12
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How do I make a branch point at a specific commit? [duplicate]
... this.
Scenario
Develop on the wrong branch and hence need to reset it.
Start Okay
Cleanly develop and release some software.
Develop on wrong branch
Mistake: Accidentally stay on the release branch while developing further.
Realize the mistake
"OH NO! I accidentally developed on the rel...
Where can I find WcfTestClient.exe (part of Visual Studio)
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If you use "Developer Command Prompt" you can just type WcfTestClient to start it or type where wcftestclient to find the location.
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resize ipython notebook output window
... jupyter_contrib_nbextensions), which allows you to select when the output starts scrolling in a dropdown menu (you can set it to never scroll). The API used is not officially supported though, so this may break at any time.
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abort: no username supplied (see “hg help config”)
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in unix or cygwin the file in your homedir starts with a dot: .hgrc
– neves
Oct 18 '13 at 22:19
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How to reset Django admin password?
...he_new_password_for_user_selected')
Save the new password
"user.save()"
Start the server and log in using the username and the updated password.
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