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How to join two sets in one line without using “|”
...ing the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
8 Answers
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Multiple ModelAdmins/views for same model in Django admin
How can I create more than one ModelAdmin for the same model, each customised differently and linked to different URLs?
2 A...
What does a colon following a C++ constructor name do? [duplicate]
...he constructor. In the case of objects that have a constructor, it is a performance optimization because it avoids going through two object initializations instead of one.
An initialization list is necessary if one of the fields is a reference because a reference can never be null, not even in the ...
Generic type conversion FROM string
I have a class that I want to use to store "properties" for another class. These properties simply have a name and a value. Ideally, what I would like is to be able to add typed properties, so that the "value" returned is always of the type that I want it to be.
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Get User's Current Location / Coordinates
...ad() you have to instantiate the CLLocationManager class, like so:
// Ask for Authorisation from the User.
self.locationManager.requestAlwaysAuthorization()
// For use in foreground
self.locationManager.requestWhenInUseAuthorization()
if CLLocationManager.locationServicesEnabled() {
location...
File Upload without Form
Without using any forms whatsoever, can I just send a file/files from <input type="file"> to 'upload.php' using POST method using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
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Redirecting Output from within Batch file
I am creating a batch file with some simple commands to gather information from a system. The batch file contains commands to get the time, IP information, users, etc.
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How to get the directory of the currently running file?
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Is it possible for there to be an error here? If so, what would the error be, just out of curiosity?
– Jeff Escalante
Jun 30 '14 at 15:59
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How to manage client-side JavaScript dependencies? [closed]
...js
Here are your requirements:
Manage my client side dependencies in a format similar to npm's
package.json or bower's component.json. Different but AS GOOD!
I should have the flexibility to point to git repo or actual js
files (either on web or locally) in my dependency.json file for
less...
How to manually expand a special variable (ex: ~ tilde) in bash
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Charle's Duffy's solution
Håkon Hægland's solution
Original answer for historic purposes (but please don't use this)
If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You can force expansion via eval like this.
#!/b...