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Dynamic cell width of UICollectionView depending on label width
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thank you for your help but I still have one issue. When I uncomment [cell.myLabel sizeToFit] I have words truncated and letters cut at the bottom but it becomes ok after I scroll (words have they normal size and letters jump up a bit). If I comment and disable [cel...
How to access app.config in a blueprint?
... seems to be quite easy:
api_blueprint = Blueprint('xxx.api', __name__, None)
api_blueprint.config = {}
@api_blueprint.record
def record_params(setup_state):
app = setup_state.app
api_blueprint.config = dict([(key,value) for (key,value) in app.config.iteritems()])
...
How to identify server IP address in PHP
...p = gethostbyname($host);
This works well when you are running a stand-alone script, not running through the web server.
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How do you Encrypt and Decrypt a PHP String?
...pt then MAC. The order of encryption and authentication is very important! One of the existing answers to this question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed b...
Xcode “Build and Archive” from command line
...hieve that.
The command you have to use is xcrun:
/usr/bin/xcrun -sdk iphoneos PackageApplication \
-v "${RELEASE_BUILDDIR}/${APPLICATION_NAME}.app" \
-o "${BUILD_HISTORY_DIR}/${APPLICATION_NAME}.ipa" \
--sign "${DEVELOPER_NAME}" \
--embed "${PROVISONING_PROFILE}"
You will find all the details i...
Using arrays or std::vectors in C++, what's the performance gap?
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Vectors are arrays under the hood.
The performance is the same.
One place where you can run into a performance issue, is not sizing the vector correctly to begin with.
As a vector fills, it will resize itself, and that can imply, a new array allocation, followed by n copy constructors, f...
Find TODO tags in Eclipse
...ethods which contain this comment? Some sort of menu option?
Yes, choose one of the following:
1) Go to Window → Show View → Tasks(Not TaskList). The new view will show up where the "Console" and "Problems" tabs are by default.
2) As mentioned elsewhere, you can see them next to the scrol...
How to remove the first Item from a list?
...ning. x.pop(0) would throw for an empty list x. Sometimes throwing is what one wants: If the assumption that there is at least an element in the list is wrong, one might want to get notified.
– ead
Jul 9 '16 at 18:50
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Singletons vs. Application Context in Android?
...ffects (which may suddenly surface when moving calls to getInstance() from one scope to another). Visibility has been mentioned as another problem, and since singletons imply "global" (= random) access to shared state, subtle bugs may arise when not properly synchronized in concurrent applications.
...
How to convert an enum type variable to a string?
...y used by the application debugging code. 2 month later, you are the first one to actually execute that debug code: it then gives you the wrong information, so you lose half a day building assumptions based on this wrong information, before realizing you first had to debug the debug code: the design...