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Get the closest number out of an array
I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this:
20 Answers
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
...or);
This is even simpler than using std::copy to walk the entire vector from start to finish to std::back_insert them into the new vector.
That being said, your .swap() one is not a copy, instead it swaps the two vectors. You would modify the original to not contain anything anymore! Which is no...
Read String line by line
.... Just because the code is running on (e.g.) Unix, what's to stop the file from having Windows-style "\r\n" line separators? BufferedReader.readLine() and Scanner.nextLine() always check for all three styles of separator.
– Alan Moore
Jul 9 '09 at 6:25
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
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Run: brew info mysql
And follow the instructions. From the description in the formula:
Set up databases to run AS YOUR USER ACCOUNT with:
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpd...
Is there a performance difference between a for loop and a for-each loop?
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From Item 46 in Effective Java by Joshua Bloch :
The for-each loop, introduced in
release 1.5, gets rid of the clutter
and the opportunity for error by
hiding the iterator or index variable
completely. The resulti...
How do I get the current GPS location programmatically in Android?
...itude();
Log.v(TAG, latitude);
/*------- To get city name from coordinates -------- */
String cityName = null;
Geocoder gcd = new Geocoder(getBaseContext(), Locale.getDefault());
List<Address> addresses;
try {
addresses = gcd.getFrom...
How to change the background color of the options menu?
...gt;@color/overflow_background</item>
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</style>
Tested from API 4.2 to 5.0.
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How to convert a normal Git repository to a bare one?
...cd repo.git
git config --bool core.bare true
Note that this is different from doing a git clone --bare to a new location (see below).
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Inserting image into IPython notebook markdown
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I am using ipython 2.0, so just two line.
from IPython.display import Image
Image(filename='output1.png')
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MVC 4 @Scripts “does not exist”
...You may also have to run Install-Package Microsoft.AspNet.Web.Optimization from a blank ASP.NET MVC4 template as it is not included by default.
– Portman
Jul 18 '13 at 6:35
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