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Why is inserting in the middle of a linked list O(1)?
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Which makes a larger difference when inserting more than 1 object at the same position ...
– Has QUIT--Anony-Mousse
Dec 15 '11 at 0:17
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Does Ruby have a string.startswith(“abc”) built in method?
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Your question title and your question body are different. Ruby does not have a starts_with? method. Rails, which is a Ruby framework, however, does, as sepp2k states. See his comment on his answer for the link to the documentation for it.
You could always use a regular ex...
Java Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable
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You need to specify the -Djava.awt.headless=true parameter at startup time.
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Simulate airplane mode in iPhone Simulator
...ore easily for NSURLConnection and its kin, but it could be more confusing if some calls work and some don't.
– Rob Napier
Dec 2 '09 at 14:09
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What's the best way to inverse sort in scala?
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There may be the obvious way of changing the sign, if you sort by some numeric value
list.sortBy(- _.size)
More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below)
Y...
Fatal error: Maximum execution time of 30 seconds exceeded
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Your loop might be endless. If it is not, you could extend the maximum execution time like this:
ini_set('max_execution_time', 300); //300 seconds = 5 minutes
and
set_time_limit(300);
can be used to temporarily extend the time limit.
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Android Dialog: Removing title bar
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If you are using AppCompatDialog, then use: dialog.supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
– Firzen
Aug 12 '19 at 11:38
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Gradle does not find tools.jar
...ith system looking at the JRE folder i.e.
D:\Program Files\Java\jre8\bin. If we look in there, there is no Tools.jar, hence the error.
You need to find where the JDK is, in my case: D:\Program Files\Java\jdk1.8.0_11, and if you look in the lib directory, you will see Tools.jar.
What I did I crea...
How to delete (not cut) in Vim?
...reat, this should be the accepted answer. It's much easier to manually specify a register whenever I want to paste than to keep specifying a register every time I delete anything.
– JShorthouse
Dec 16 '19 at 17:32
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How to undo a git merge with conflicts
...I checked out in a detached HEAD state, and one of my files had a "both modified" state. I wanted to discard everything and get back to a branch, I had to git reset --hard, git merge --abort told me there was no merge to abort, (MERGE_HEAD missing).
– yano
Dec ...