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How do you clear a slice in Go?
....
See playground
package main
import (
"fmt"
)
func dump(letters []string) {
fmt.Println("letters = ", letters)
fmt.Println(cap(letters))
fmt.Println(len(letters))
for i := range letters {
fmt.Println(i, letters[i])
}
}
func main() {
letters := []string{"a", ...
Change Placeholder Text using jQuery
..."#yourtextboxid").attr("placeholder", "variable");
where, if variable is string then you can use like above, if it is variable replace it with the name like "variable" with out double quotes.
eg: $("#youtextboxid").attr("placeholder", variable);
it will work.
...
Add a CSS class to
...
Note that you need to explicitly pass a string ('name of button here') as the first argument to submit in order to use the :class hash as in the answer above. If you don't have that string, you'll get an error message.
– thewillcole
...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...Drop the last 4 digits = 28.
C# Code:
int now = int.Parse(DateTime.Now.ToString("yyyyMMdd"));
int dob = int.Parse(dateOfBirth.ToString("yyyyMMdd"));
int age = (now - dob) / 10000;
Or alternatively without all the type conversion in the form of an extension method. Error checking omitted:
public...
Django Setup Default Logging
...it out...
You set the 'catch all' logger by referencing it with the empty string: ''.
As an example, in the following setup I have the all log events getting saved to logs/mylog.log, with the exception of django.request log events which will be saved to logs/django_request.log. Because 'propagate'...
Windows service on Local Computer started and then stopped error
... use the following in the OnStart method:
protected override void OnStart(string[] args)
{
System.Diagnostics.Debugger.Launch();
...
}
than you could attach your visual studio to the process and have better debug abilities.
hope this was helpful,
good luck
...
Setting element of array from Twig
.../github.com/twigphp/Twig/issues/789 ).
That will work only when keys are strings
What I did is recreate another table ( temp) from the initial table (t) and make the keys a string , for example :
{% for key , value in t%}
{% set temp= temp|merge({(key~'_'):value}) %}
{% endfor %}
t keys : 0...
How to change package name of Android Project in Eclipse?
...ce:
NEVER use a direct package names as in something similar to passing a string value containing the package name. Use the method getPackageName(). This will make the renaming dynamic. Do whatever to reach the method getPackageName().
In Eclipse Juno, the correct way of renaming is:
Go and edit...
Format Date time in AngularJS
...em, but thought I'd throw in another option to consider.
As the original string doesn't include the "T" demarker, the default implementation in Angular doesn't recognize it as a date. You can force it using new Date, but that is a bit of a pain on an array. Since you can pipe filters together, you...
How to delete an object by id with entity framework
...Customer(int id)
{
using (var context = new Context())
{
const string query = "DELETE FROM [dbo].[Customers] WHERE [id]={0}";
var rows = context.Database.ExecuteSqlCommand(query,id);
// rows >= 1 - count of deleted rows,
// rows = 0 - nothing to delete.
}
}
...