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pretty-print JSON using JavaScript
...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling.
function JSONstringify(json) {
if (typeof json != 'string') {
json = JSON.stringify(json, undefined, '\t');
}
var
arr = [],
_stri...
Passing parameters in rails redirect_to
How do we pass parameters in redirect_to in rails?
I know we can pass id using this:
9 Answers
...
How to implement “select all” check box in HTML?
...: for each...in is actually valid Javascript: developer.mozilla.org/en/Core_JavaScript_1.5_Reference/… But, as porneL has pointed out, it's an obscure construct. Also, this code doesn't work in Safari 5 or Chrome 5. It works in FF 3.6, and IIRC, it worked in Safari 4. for(var i in checkboxes) chec...
Match multiline text using regular expression
...is easier to read, but you need to look for the (?s) or DOTALL modifier in order to find out whether newlines are included or not. I'd prefer . with the Pattern.DOTALL flag set (this is easier to read and remember than (?s) in my opinion. You should use what you feel most comfortable with.
...
If table exists drop table then create it, if it does not exist just create it
...e and swap it with an old one (table contents are lost):
CREATE TABLE `bla__new` (id int); /* if not ok: terminate, report error */
RENAME TABLE `bla__new` to `bla`; /* if ok: terminate, report success */
RENAME TABLE `bla` to `bla__old`, `bla__new` to `bla`;
DROP TABLE IF EXISTS `bla__old`;
You...
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
...uild Setting -> Linking -> Other Linker Flags -> Add -lLibraryName_$(PLATFORM_NAME)d for Debug, and add -lLibraryName_$(PLATFORM_NAME) for Release
– George
Nov 3 '13 at 15:55
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C++0x has no semaphores? How to synchronize threads?
...ex and a condition variable:
#include <mutex>
#include <condition_variable>
class semaphore
{
private:
std::mutex mutex_;
std::condition_variable condition_;
unsigned long count_ = 0; // Initialized as locked.
public:
void notify() {
std::lock_guard<decltype...
How should I log while using multiprocessing in Python?
...there is module-level multiprocessing-aware log, LOG = multiprocessing.get_logger() . Per the docs , this logger has process-shared locks so that you don't garble things up in sys.stderr (or whatever filehandle) by having multiple processes writing to it simultaneously.
...
What is the difference between a mutable and immutable string in C#?
...ring str,
[1] class [mscorlib]System.Text.StringBuilder sb)
IL_0000: nop
IL_0001: ldstr "inital value"
IL_0006: stloc.0
IL_0007: ldstr "\nsecond value"
IL_000c: stloc.0
IL_000d: ldstr "\nthird value"
IL_0012: stloc.0
IL_0013: newobj instance void...
Syntax Error: Not a Chance
...indentation will never be implemented.
Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division.
So the line from __future__ import braces is taken to mean you want to enable the 'create blocks with braces'...