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Parse (split) a string in C++ using string delimiter (standard C++)
...m one string: <code>size_t last = 0; size_t next = 0; int index = 0; while (index<4) { next = str.find(delimiter, last); auto number = str.substr(last, next - last); IPv4[index++] = atoi(number.c_str()); last = next + 1; }</code>
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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
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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 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
$urlRouterProvider.when(/aspx/i, '/index');
})
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What is the purpose of Order By 1 in SQL select statement?
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Also see:
http://www.techonthenet.com/sql/order_by.php
For a description of order by. I learned something! :)
I've also used this in the past when I wanted to add an indeterminate number of filters to a sql statement. Sloppy I know, but it worked. :P
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How to define hash tables in Bash?
... "$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 "...
Store images in a MongoDB database
...o store small size of files.
Refer to your scripting language driver. For PHP, click here.
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How can I explode and trim whitespace?
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This is also looping (internally) by PHP
– Jason OOO
Oct 13 '13 at 15:47
2
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Keyboard shortcut to comment lines in Sublime Text 3
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It seems a bug: http://www.sublimetext.com/forum/viewtopic.php?f=3&t=11157&start=0
As a workaround, go to Preferences->Key Bindings - User and add these keybindings (if you're using Linux):
{ "keys": ["ctrl+7"], "command": "toggle_comment", "args": { "block": false } },
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