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quick random row selection in Postgres
... make It sense to use a N less than SELECT COUNT(*)?, I mean, not use all the values in the table but only a part of them?
– Juan
Mar 14 '11 at 11:00
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Preferred order of writing latitude & longitude tuples in GIS services
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EPSG:4326 specifically states that the coordinate order should be latitude, longitude. Many software packages still use longitude, latitude ordering. This situation has wreaked unimaginable havoc on project deadlines and programmer sanity.
Th...
ReactJS Two components communicating
...s a handler from <List /> to <Filters />, which could then be called on the onChange event to filter the list with the current value.
JSFiddle for #1 →
/** @jsx React.DOM */
var Filters = React.createClass({
handleFilterChange: function() {
var value = this.refs.filterInput.ge...
JavaScript - Replace all commas in a string [duplicate]
...a.k.a. "global search"). The algorithm is simple: regular expression finds ALL matches (here commas) in the given string. More information about regular expressions in JavaScript you can find in MDN.
– VisioN
Nov 5 '15 at 8:37
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How to sort an array of objects by multiple fields?
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Original function:
var sort_by = function() {
var fields = [].slice.call(arguments),
n_fields = fields.length;
return function(A,B) {
var a, b, field, key, primer, reverse, result, i;
for(i = 0; i < n_fields; i++) {
result = 0;
field = fields[...
get all characters to right of last dash
... will only fail if either str is null or if it doesn't contain a hyphen at all. (In the case where there's no hyphen it doesn't throw; it returns the entire source string.)
– LukeH
Mar 16 '11 at 15:31
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Test a weekly cron job [closed]
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This really shouldn't have been upvoted and accepted, beyond running the script it does nothing to tell you whether the script will actually work when run from cron. Use the excellent crontest script in one of the other answers to t...
HTML 5: Is it , , or ?
I've tried checking other answers , but I'm still confused — especially after seeing W3schools HTML 5 reference .
27 An...
Python int to binary string?
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typically one would use 4/8/... bit representation: "{:08b}".format(37)
– Sparkler
Aug 14 '18 at 21:51
3
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Refreshing OAuth token using Retrofit without modifying all calls
...reat, we use the RequestInterceptor to include the access token with each call.
However there will be times, when the access token will expire, and the token needs to be refreshed. When the token expires, the next call will return with an Unauthorized HTTP code, so that's easy to monitor.
We could m...