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How Do You Clear The IRB Console?
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@fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work.
– Fan Yer
May 19 '17 at 9:06
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Convert NSDate to NSString
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How about...
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy"];
//Optionally for time zone conversions
[formatter setTimeZone:[NSTimeZone timeZoneWithName:@"..."]];
NSString *stringFromDate = [formatter stringFromDate:myNSDateInstance];
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How to add include path in Qt Creator?
... In that file, simply list the paths you want to include, one per line. Really all this does is tell Qt Creator where to look for files to index for auto completion. Your own build system will have to handle the include paths in its own way.
As explained in the Qt Creator Manual, <your path>...
count the frequency that a value occurs in a dataframe column
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If you want to apply to all columns you can use:
df.apply(pd.value_counts)
This will apply a column based aggregation function (in this case value_counts) to each of the columns.
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How to concatenate strings in twig
...like Alessandro said, and here it is in the documentation:
~: Converts all operands into strings and concatenates them. {{ "Hello
" ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators
And here is an example so...
Resource interpreted as Script but transferred with MIME type text/plain - for local file
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I figured it out!
The Visual Studio installer must have added an errant line to the registry.
open up regedit and take a look at this registry key:
See that key? The Content Type key? change its value from text/plain to text/javascript.
Finally chrome can brea...
Checking if form has been submitted - PHP
...for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
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prevent refresh of page when button inside form clicked
I have an issue while using buttons inside form. I want that button to call function. It does, but with unwanted result that it refresh the page.
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jQuery select by attribute using AND and OR operators
... return (this.id == '1' || this.id == '3');
});
Edit: @Jack Thanks.. totally missed it..
$('[myc="blue"]').filter(function() {
var myId = $(this).attr('myid');
return (myId == '1' || myId == '3');
});
DEMO
sh...
What does InitializeComponent() do, and how does it work in WPF?
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The call to InitializeComponent() (which is usually called in the default constructor of at least Window and UserControl) is actually a method call to the partial class of the control (rather than a call up the object hierarchy as...