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How do I query using fields inside the new PostgreSQL JSON datatype?
... json-producing) functions, but not in 9.2.
Doesn't prevent him from providing an example implementation in PLV8 that should solve your problem.
Postgres 9.3
Offers an arsenal of new functions and operators to add "json-processing".
The manual on new JSON functionality.
The Postgres Wiki on ne...
Node.js: How to send headers with form data using request module?
...
throw new Error('undefined is not a valid uri or options object.') ^ Error: undefined is not a valid uri or options object. at request (C:\Users\pjt\node_modules\request\index.js:44:11) at Request._callback (C:\Users\pjt\routes\payment.js:170:11) at R...
Set operations (union, intersection) on Swift array?
...ther perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)?
...
How do I access named capturing groups in a .NET Regex?
...ystem;
using System.Text.RegularExpressions;
class Program
{
static void Main()
{
String sample = "hello-world-";
Regex regex = new Regex("-(?<test>[^-]*)-");
Match match = regex.Match(sample);
if (match.Success)
{
Console.WriteLin...
How to get a specific version of a file in Mercurial?
...
As djc said revert alters a file in place to match a prior revision. If you want it not in place you can use hg cat -r revisionid filename (substituting revisionid and filename of course) which will output the file to stdout, suitabl...
In Python, how does one catch warnings as if they were exceptions?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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Are types like uint32, int32, uint64, int64 defined in any stdlib header?
... This answer is wrong. All of the above are only available if an exact width type of that size (no padding) exists in the implementation. Even if not, however, the types int_leastNN_t and uint_leastNN_t for NN 8, 16, 32, and 64 must always exist. C99 does not allow implementations without an inte...
Warning on “diff.renamelimit variable” when doing git push
...and leaves the merge resolution up to the developer. In our case we can avoid doing manual merge resolution though by changing the threshold
Note: Git 2.16 (Q1 2018) will amend that limit:
Historically, the diff machinery for rename detection had a
hardcoded limit of 32k paths; this is being li...
Ignore .pyc files in git repository
...
Just to avoid anyone else getting confused, Ignacio's interpretation of the man page is wrong. You do not need to put the *.pyc in the same directory, it is enough to put it in a parent directory (or grandparent, etc).
...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
...
There's a lot of information in the WWDC video "Session 407 - Adopting Storyboards in your App."
Say you have two view controllers linked by a segue. Implement the following exit action on the first view controller:
- (IBAction)done:(UIStoryboardSegue *)segue {
...