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What does the caret (^) character mean?
I saw an answer to a question here that helps restore a deleted file in git.
8 Answers
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What does %~d0 mean in a Windows batch file?
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Another tip that would help a lot is that to set the current directory to a different drive one would have to use %~d0 first, then cd %~dp0. This will change the directory to the batch file's drive, then change to its folder.
For #oneLinerLovers, cd /d %~dp0 will chang...
Random number generation in C++11: how to generate, how does it work? [closed]
...ain, it's good to let the library handle that.
How it works
Easy: first, set up an engine and seed it. The seed fully determines the entire sequence of "random" numbers, so a) use a different one (e.g. taken from /dev/urandom) each time, and b) store the seed if you wish to recreate a sequence of ...
How to extract numbers from a string and get an array of ints?
...ut:
[-1, -2, 455, 0, 4]
Description
[^-?0-9]+
[ and ] delimites a set of characters to be single matched, i.e., only one time in any order
^ Special identifier used in the beginning of the set, used to indicate to match all characters not present in the delimited set, instead of all charact...
How do I resolve git saying “Commit your changes or stash them before you can merge”?
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You can't merge with local modifications. Git protects you from losing potentially important changes.
You have three options:
Commit the change using
git commit -m "My message"
Stash it.
Stashing acts as a stack, where you can push changes, and you ...
Set TextView text from html-formatted string resource in XML
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Then, in your code:
TextView foo = (TextView)findViewById(R.id.foo);
foo.setText(Html.fromHtml(getString(R.string.nice_html)));
IMHO, this is several orders of magnitude nicer to work with :-)
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foreach with index [duplicate]
...ted a couple extension functions for IEnumerable called Ordinate (from the set theory term "ordinal").
These functions will return for each item a Pair object containing the index, and the item itself.
public static IEnumerable<Pair<Int32, X>> Ordinate<X>(this IEnumerable<X>...
How to wait for all threads to finish, using ExecutorService?
...und that in real life scenarios I do know the number of tasks, thread pool settings do need to be configurable per deployment, and pools can be reused. So I usually have thread pools injected by Spring and setting them as prototypes and manually shutting them down only in order to wait for threads ...
Iterate over a Javascript associative array in sorted order
...e drawback to this is that you can not determine whether a specific key is set as easily. See this answer to javascript function inArray for an answer to that problem. One issue with the solution presented is that a.hasValue('key') is going to be slightly slower than a['key']. That may or may not ma...
Add a new element to an array without specifying the index in Bash
...c 23 '09 at 9:02
Etienne DechampsEtienne Dechamps
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