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How to count items in a Go map?
...ed from the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map elements. The original author was Simone Carletti. Attribution det...
Extracting Nupkg files using command line
...
106
You can also use the NuGet command line, by specifying a local host as part of an install. For ...
How do i put a border on my grid in WPF?
...gt;
<Grid Height="166" HorizontalAlignment="Left" Margin="12,12,0,0" Name="grid1" VerticalAlignment="Top" Width="479" Background="#FFF2F2F2" />
</Border>
</Grid>
This should get you what you're after (though you may want to put a margin on all 4 sides, not just 2...)
...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
...
php: determine where function was called from
...rint_r( $backtrace );
}
epic( 'Hello', 'World' );
Output:
Array
(
[0] => Array
(
[file] => /Users/romac/Desktop/test.php
[line] => 5
[function] => fail
[args] => Array
(
[0] => Hello...
Adding data attribute to DOM
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edited Sep 20 '17 at 6:46
ankit suthar
2,59866 gold badges2828 silver badges4646 bronze badges
...
How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
...
Generate random password string with requirements in javascript
...work?
Math.random() // Generate random number, eg: 0.123456
.toString(36) // Convert to base-36 : "0.4fzyo82mvyr"
.slice(-8);// Cut off last 8 characters : "yo82mvyr"
Documentation for the Number.prototype.toString and strin...
SQL how to increase or decrease one for a int column in one command
...
answered Jun 10 '09 at 2:01
gahooagahooa
108k1212 gold badges8686 silver badges9393 bronze badges
...
What is the best way to test for an empty string in Go?
...
10 Answers
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