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Qt: *.pro vs *.pri
... write the common settings and code into those .pri files and include them from several .pro files as the need arises. This is how you would use it in practice:
foo.pri
FOO = BAR
hello.pro
...
include($$PWD/foo.pri)
...
world.pro
...
include($$PWD/foo.pri)
...
This way, the commonality would be a...
Cropping an UIImage
...ully. The resulting CGImage holds a strong reference to the larger CGImage from which it was cropped. So if you want to only hang on to the cropped image and have no need for original, take a look at the other solutions.
– jsadler
Aug 22 '17 at 21:00
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How do you match only valid roman numerals with a regular expression?
...I found no other way around it. I needed to scrub off the footnote numbers from my plain text document, where text such as "the Red Seacl and the Great Barrier Reefcli" had been converted to the Red Seacl and the Great Barrier Reefcli. But I still had problems with valid words like Tahiti and fantas...
Invalid URI: The format of the URI could not be determined
...ring relativePath = "sites/files/images/picture.png"
When creating a Uri from these two I get the "format could not be determined" exception unless I use the constructor with the UriKind argument, i.e.
// this works, because the protocol is included in the string
Uri serverUri = new Uri(server);
...
How to show and update echo on same line
... are -n and -e.
-n will not output the trailing newline. So that saves me from going to a new line each time I echo something.
-e will allow me to interpret backslash escape symbols.
Guess what escape symbol I want to use for this: \r. Yes, carriage return would send me back to the start and it w...
How to create a protocol with methods that are optional?
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From the Apple page on "Formal Protocols":
Optional Protocol
methods can be marked as optional
using the @optional keyword.
Corresponding to the @optional modal
keyword, there is a @required keyword
to formally...
Any way to force strict mode in node?
...me where you found that it is "unsupported by Node?" Is that just inferred from the fact that it's not documented?
– pushkin
Mar 1 '19 at 20:26
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
...onstraint, then rollback the migration, it will REMOVE the null constraint from any field that already had it.
– jpw
Jan 16 '19 at 18:50
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...had configured the sessionfactory and didn't think to include new entities from other branches.
– AEvans
Jun 21 '16 at 14:05
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AngularJS $http and $resource
... important to emphasize that $resource expects object or array as response from server, not raw string. So if you have raw string (or anything except object and array) as a response, you have to use $http
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