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regex.test V.S. string.match to know if a string matches a regular expression
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@AlexShilman indexOf is faster (but not much) than test according to this stackoverflow.com/questions/183496/… (you'd expect it to be faster).
– podperson
Jul 21 '16 at 20:51
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ElasticSearch - Return Unique Values
...t_method] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
]}
In that case, you have to add "KEYWORD" in the request, like following:
{
"aggs" : {
...
PHP: merge two arrays while keeping keys instead of reindexing?
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Two arrays can be easily added or union without chaning their original indexing by + operator. This will be very help full in laravel and codeigniter select dropdown.
$empty_option = array(
''=>'Select Option'
);
$option_list = array(
1=>'Red',
...
How do you plot bar charts in gnuplot?
...e neat gnuplot tricks:
Gnuplot has psuedo-columns that can be used as the index to color:
plot 'data.dat' using 1:2:0 with boxes lc variable
Further you can use a function to pick the colors you want:
mycolor(x) = ((x*11244898) + 2851770)
plot 'data.dat' using 1:2:(mycolor($0)) with boxes lc ...
How to unit test an object with database queries
...abases - the best by a long way seems to be SQLite. (http://www.sqlite.org/index.html). It's remarkably simple to set up and use, and allowed us subclass and override GetDatabase() to forward sql to an in-memory database that was created and destroyed for every test performed.
We're still in the e...
Which is the fastest algorithm to find prime numbers?
...fo:
http://primes.utm.edu/prove/prove2_3.html and http://forums.nvidia.com/index.php?showtopic=70483
If you just need a way to generate very big prime numbers and don't care to generate all prime numbers < an integer n, you can use Lucas-Lehmer test to verify Mersenne prime numbers. A Mersenne p...
How to create a release signed apk file using Gradle?
...ate a skeleton signing.properties and after committing issuing "git update-index --assume-unchanged signing.properties". However that prevents futura edits from being committed. Something like the first option sdqali suggests seems even better.
– user672009
Oct...
Can I create a named default constraint in an add column statement in SQL Server?
...PK_TestTable PRIMARY KEY
--let the string be unique (results in a unique index implicitly)
,SomeUniqueString VARCHAR(100) NOT NULL CONSTRAINT UQ_TestTable_SomeUniqueString UNIQUE
--define two constraints, one for a default value and one for a value check
,SomeNumber INT NULL CONSTRAINT DF_TestTa...
How do I make JavaScript beep?
... mp3 or wav files into Data URI format:
https://dopiaza.org/tools/datauri/index.php
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Read a zipped file as a pandas DataFrame
... [12]: crime2013
Out[12]:
<class 'pandas.core.frame.DataFrame'>
Int64Index: 24567 entries, 0 to 24566
Data columns (total 15 columns):
CCN 24567 non-null values
REPORTDATETIME 24567 non-null values
SHIFT 24567 non-null valu...