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Is Java RegEx case-insensitive?
...MYREGEX, Pattern.CASE_INSENSITIVE);
Matcher mymatcher= mypattern.matcher(mystring);
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How to establish a connection pool in JDBC?
... Object, reducing the Garbage collection load.
« Pooling [ Object pool, String Constant Pool, Thread Pool, Connection pool]
String Constant pool
String literal pool maintains only one copy of each distinct string value. which must be immutable.
When the intern method is invoked, it check objec...
In CSS what is the difference between “.” and “#” when declaring a set of styles?
What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use?
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MySQL select 10 random rows from 600K rows fast
How can I best write a query that selects 10 rows randomly from a total of 600k?
26 Answers
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Python argparse command line flags without arguments
...dea this is in the long run. Imagine that you start out by checking if the string "--flag" is in sys.argv. Then you look at the end of sys.argv[-1] to see which file to open. All of a sudden you end up with a situation where if you try to open a file named --flag, then it will behave unexpectedly, a...
How to get the URL of the current page in C# [duplicate]
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Try this :
string url = HttpContext.Current.Request.Url.AbsoluteUri;
// http://localhost:1302/TESTERS/Default6.aspx
string path = HttpContext.Current.Request.Url.AbsolutePath;
// /TESTERS/Default6.aspx
string host = HttpContext.Curren...
Didn't Java once have a Pair class? [duplicate]
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Pair<String, String> pair = new ImmutablePair<String, String>(key, value);
– user77115
Nov 15 '12 at 10:38
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Printf width specifier to maintain precision of floating-point value
...o the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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Is it a good idea to index datetime field in mysql?
... for all cases. Yes, storing an integer is generally faster than storing a string, but what about all the DateTime functions MySQL exposes? Implementing them yourself would either have a negative effect on performance or functionality.
– Greg
Sep 26 '13 at 12:1...
How to use a variable for the database name in T-SQL?
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Put the entire script into a template string, with {SERVERNAME} placeholders. Then edit the string using:
SET @SQL_SCRIPT = REPLACE(@TEMPLATE, '{SERVERNAME}', @DBNAME)
and then run it with
EXECUTE (@SQL_SCRIPT)
It's hard to believe that, in the course of...