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How to pattern match using regular expression in Scala?
...work. This is because match-case uses unapplySeq(target: Any): Option[List[String]], which returns the matching groups.
– rakensi
Dec 16 '13 at 13:01
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Immutability of Strings in Java
...bject, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at.
Take this code, for example:
String s1 = "Hello";
String s2 = s1;
// s1 and s2 now point at the same string - "H...
Getting only response header from HTTP POST using curl
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The Following command displays extra informations
curl -X POST http://httpbin.org/post -v > /dev/null
You can ask server to send just HEAD, instead of full response
curl -X HEAD -I http://httpbin.org/
Note: In some cases, server may send different...
How to do a regular expression replace in MySQL?
... pat, repl[, pos[, occurrence[, match_type]]])
Replaces occurrences in the string expr that match the regular expression specified by the pattern pat with the replacement string repl, and returns the resulting string. If expr, pat, or repl is NULL, the return value is NULL.
and Regular expression s...
How can I use “sizeof” in a preprocessor macro?
...ou can use following macro:
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
Usage:
BUILD_BUG_ON( sizeof(someThing) != PAGE_SIZE );
This article explains in details why it works.
3. MS-specific
On Microsoft C++ compiler you can use C_ASSERT macro (requires #include &...
Using Regex to generate Strings rather than match them
...ance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is there a library which gets me most of the way there?
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Best way to encode text data for XML in Java?
...work around as well, such as JDom. Note that there may not be an "encoding strings for XML output" method - I was more recommending that the whole XML task should be done with a library rather than just doing bits at a time with string manipulation.
– Jon Skeet
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Multiline strings in JSON
...ing some data files in JSON format and would like to have some really long string values split over multiple lines. Using python's JSON module I get a whole lot of errors, whether I use \ or \n as an escape.
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Node.js: printing to console without a trailing newline?
...me line, for instance in a countdown, you could add '\r' at the end of the string.
process.stdout.write("Downloading " + data.length + " bytes\r");
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startsWith() and endsWith() functions in PHP
How can I write two functions that would take a string and return if it starts with the specified character/string or ends with it?
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