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How do I install cURL on cygwin?
...
In order to use the command-line version of curl, you need the curl executable.
So, run the Cygwins Setup.exe, and select curl (under Net->curl). That one uses libcurl3, which is located in Libs->libcurl3. But libcurl3 wil...
Postgres unique constraint vs index
...ion (not only on column) and define some other parameters (collation, sort order, NULLs placement).
You cannot add table constraint using partial index.
alter table master add column part_id integer;
create unique index master_partial_idx on master (part_id) where part_id is not null;
alter table...
How to search by key=>value in a multidimensional array in PHP
...th a suitable algorithm.
Linear algorithms in this case perform at O(n) (order total number of elements in entire array), this is poor, a million entries (eg a 1000x100x10 array) would take on average 500,000 iterations to find the needle. Also what would happen if you decided to change the struct...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...
With jquery you can easy detect copy, paste, etc by binding the function:
$("#textA").bind('copy', function() {
$('span').text('copy behaviour detected!')
});
$("#textA").bind('paste', function() {
$('span').text('paste behaviour detected!')
});
$("#textA").b...
Git format-patch to be svn compatible?
...d -e 's/.*:refs\/remotes\///'`
REV=`git svn find-rev $(git rev-list --date-order --max-count=1 $TRACKING_BRANCH)`
git diff --no-prefix $(git rev-list --date-order --max-count=1 $TRACKING_BRANCH) $* |
sed -e "s/^+++ .*/& (working copy)/" -e "s/^--- .*/& (revision $REV)/" \
-e "s/^diff -...
What is Virtual DOM?
...ntation of the user interface is created.
The most basic method needed in order to create a static component in ReactJS are:
You must return code from the render method.
You must convert every class to className since class is reserved word in JavaScript.
Aside from the more major changes there ar...
How to 'restart' an android application programmatically [duplicate]
...o is after logging out, the application should restart so that credentials etc. can be entered again. The problem I'm having is that at the point of the user clicking 'log-out', the application already has 3-4 activities running, and I'm not sure how to step back through them. How do I (simulate?) a...
How to send and retrieve parameters using $state.go toParams and $stateParams?
...ams: {
'referer': 'some default',
'param2': 'some default',
'etc': 'some default'
}
});
Then you can navigate to it like so:
$state.go('toState', { 'referer':'jimbob', 'param2':37, 'etc':'bluebell' });
Or:
var result = { referer:'jimbob', param2:37, etc:'bluebell' };
$state.go(...
Selecting the last value of a column
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Both instances of ROW can be replaced by COLUMN in order to return the last value in a particular row (instead of the last value in a particular column).
– Jon Schneider
Mar 10 '13 at 4:29
...
Get an object properties list in Objective-C
... needs a little extra to handle primitives, like int, long, float, double, etc.
I built off of his to add this functionality.
// PropertyUtil.h
#import
@interface PropertyUtil : NSObject
+ (NSDictionary *)classPropsFor:(Class)klass;
@end
// PropertyUtil.m
#import "PropertyUtil.h"
#import "ob...