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Fast way to discover the row count of a table in PostgreSQL
... than the limit anyway (like with ORDER BY something while it can't use an index, or with aggregate functions). Apart from that, only the limited number of rows from the subquery is processed.
– Erwin Brandstetter
Jun 17 '17 at 17:37
...
In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
... the main attribute in the module's package.json.
That might be moduleName/index.js or it could be moduleName/lib/moduleName.js. In the latter case, path.dirname(require.resolve("moduleName")) will return a directory you may not want or expect: node_modules/moduleName/lib
The correct way to get the...
How to post JSON to PHP with curl
...n" -X POST -d '{"screencast":{"subject":"tools"}}' \
http://localhost:3570/index.php/trainingServer/screencast.json
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How to perform a real time search and filter on a HTML table
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I created these examples.
Simple indexOf search
var $rows = $('#table tr');
$('#search').keyup(function() {
var val = $.trim($(this).val()).replace(/ +/g, ' ').toLowerCase();
$rows.show().filter(function() {
var text = $(this).text().replac...
Otherwise on StateProvider
...ction($urlRouterProvider){
// when there is an empty route, redirect to /index
$urlRouterProvider.when('', '/index');
// You can also use regex for the match parameter
$urlRouterProvider.when(/aspx/i, '/index');
})
...
How to define hash tables in Bash?
... "$animals_moo"
cow
Bring them together:
# Set a value:
declare "array_$index=$value"
# Get a value:
arrayGet() {
local array=$1 index=$2
local i="${array}_$index"
printf '%s' "${!i}"
}
Let's use it:
$ sound=moo
$ animal=cow
$ declare "animals_$sound=$animal"
$ arrayGet animals "...
When to use reinterpret_cast?
...
This does not actually answer the question of "when to use reinterpret_cast".
– einpoklum
Apr 15 '16 at 17:56
7
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How to get label of select option with jQuery?
...
$("select#selectbox option:eq(0)").text()
The 0 index in the "option:eq(0)" can be exchanged for whichever indexed option you'd like to retrieve.
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Is there StartsWith or Contains in t sql with variables?
...
StartsWith
a) left(@edition, 15) = 'Express Edition'
b) charindex('Express Edition', @edition) = 1
Contains
charindex('Express Edition', @edition) >= 1
Examples
left function
set @isExpress = case when left(@edition, 15) = 'Express Edition' then 1 else 0 end
iif function (...
Send string to stdin
...eky:
0000000: 0000 0000 bef9 0e3c 59f8 8e3c 0a71 d63c .......<Y..<.q.<
0000010: c6f2 0e3d 3eaa 323d 3a5e 563d 090e 7a3d ...=>.2=:^V=..z=
0000020: 7bdc 8e3d 2aaf a03d b67e b23d c74a c43d {..=*..=.~.=.J.=
0000030: 0513 d63d 16d7 e73d a296 f93d a8a8 053e ...=...=...=...>
0000040: 65...