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How to update a value, given a key in a hashmap?
Suppose we have a HashMap<String, Integer> in Java.
17 Answers
17
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Is there an online name demangler for C++? [closed]
...ould you please add white-space: normal or similar to the responseSection <pre> tag (and maybe add line numbers)? Long one-line output isn't readable currently.
– jplatte
Jun 22 '14 at 13:20
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Functional programming - is immutability expensive? [closed]
...qsort (x:xs) = qsort lesser ++ [x] ++ qsort greater
where lesser = (filter (< x) xs)
greater = (filter (>= x) xs)
The first disadvantage is the choice of the pivot element, which is very inflexible. The strength of modern quicksort implementations relies heavily on a smart ch...
How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?
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I went on the internet and I found this:
To alter the license. First, go to
Windows: %APPDATA%\syntevo\SmartGit\<main-smartgit-version>
OS X: ~/Library/Preferences/SmartGit/<main-smartgit-version>
Unix/Linux: ~/.smartgit/<main-smartgit-version>
and...
Installing Latest version of git in ubuntu
...two steps:
Set up proxy environment variables
export http_proxy=http://<user>:<pwd>@<proxy_url>:<port_number>
export https_proxy=http://<user>:<pwd>@<proxy_url>:<port_number>
Run the add-apt-repository command again as sudo with the -E option that ...
How do you detect where two line segments intersect? [closed]
...sjoint.
Note that if s and r point in opposite directions, then s · r < 0 and so the interval to be checked is [t1, t0] rather than [t0, t1].
If r × s = 0 and (q − p) × r ≠ 0, then the two lines are parallel and non-intersecting.
If r × s ≠ 0 and 0 ≤ t ≤ 1 and 0...
How to add Action Bar from support library into PreferenceActivity?
...g to be implemented. Number of devices running older versions of Android (< 4.0) is less than 30% at this point, and this number is going down every month.
– Roman
Nov 7 '13 at 13:16
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How to make a smooth image rotation in Android?
...terpolator; you should use LinearInterpolator instead.
You can use the built-in android.R.anim.linear_interpolator from your animation XML file with android:interpolator="@android:anim/linear_interpolator".
Or you can create your own XML interpolation file in your project, e.g. name it res/anim/li...
Losing scope when using ng-include
...cope.lines array, I suggest you pass the value to the addLine function:
<form ng-submit="addLine(lineText)">
In addition, since lineText is owned by the ngInclude scope/partial, I feel it should be responsible for clearing it:
<form ng-submit="addLine(lineText); lineText=''">
Fun...
How can I split up a Git commit buried in history?
...orm an interactive rebase including the target commit (e.g. git rebase -i <commit-to-split>^ branch) and mark it to be edited.
When the rebase reaches that commit, use git reset HEAD^ to reset to before the commit, but keep your work tree intact.
Incrementally add changes and commit them, maki...