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How do I reference a javascript object property with a hyphen in it?
...notation rather than dot
style["text-align"]
All arrays in js are objects and all objects are just associative arrays, this means you can refer to a place in an object just as you would refer to a key in an array.
arr[0]
or the object
obj["method"] == obj.method
a couple things to remember when a...
Does setWidth(int pixels) use dip or px?
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The applyDimension() version executes more code and it a bit more difficult to read I find. FWIW, the line I posted is what we actually use all over the place in the framework and standard apps.
– Romain Guy
Mar 9 '10 at 5:25
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How to change line width in ggplot?
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Whilst @Didzis has the correct answer, I will expand on a few points
Aesthetics can be set or mapped within a ggplot call.
An aesthetic defined within aes(...) is mapped from the data, and a legend created.
An aesthetic may also be set to a single value, by defining it o...
Get PostGIS version
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Since some of the functions depend on other libraries like GEOS and proj4 you might want to get their versions too. Then use:
SELECT PostGIS_full_version();
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improve this answer
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PHP CURL CURLOPT_SSL_VERIFYPEER ignored
...ame in the SSL peer certificate.
2 to check the existence of a common name and also verify that it matches the hostname provided.
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
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remove_if equivalent for std::map
...ments that needed to be erased.
This is a common algorithm I've seen used and documented in many places.
[EDIT] You are correct that iterators are invalidated after an erase, but only iterators referencing the element that is erased, other iterators are still valid. Hence using iter++ in the erase...
Remove the string on the beginning of an URL
... choices, you can do:
// this will replace the first occurrence of "www." and return "testwww.com"
"www.testwww.com".replace("www.", "");
// this will slice the first four characters and return "testwww.com"
"www.testwww.com".slice(4);
// this will replace the www. only if it is at the beginning
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Use of undeclared identifier 'kUTTypeMovie'
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You have to add the framework MobileCoreServices to the project, and then import it:
Objective C:
#import <MobileCoreServices/MobileCoreServices.h>
That will make the problem go away.
Swift 4:
import MobileCoreServices
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In Django, how do I check if a user is in a certain group?
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then user.groups.all() returns [<Group: Editor>].
Alternatively, and more directly, you can check if a a user is in a group by:
if django_user.groups.filter(name = groupname).exists():
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Note that groupname can also be the actual Django Group object.
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how to remove X-Powered-By in ExpressJS [duplicate]
I want to remove X-Powered-By for Security,Save Bandwidth in ExpressJS(node.js). how to do it?
it could be filter(app.use) ?
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