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Check if my app has a new version on AppStore
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Here is a simple code snippet that lets you know if the current version is different
-(BOOL) needsUpdate{
NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URL...
SqlAlchemy - Filtering by Relationship Attribute
...ives you filtering/sorting with "magical" strings as in Django, so you can now write something like
Patient.where(mother___phenoscore=10)
It's a lot shorter, especially for complex filters, say,
Comment.where(post___public=True, post___user___name__like='Bi%')
Hope you will enjoy this package
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How to directly initialize a HashMap (in a literal way)?
...Map("key", "value").
For Java Version 9 or higher:
Yes, this is possible now. In Java 9 a couple of factory methods have been added that simplify the creation of maps :
// this works for up to 10 elements:
Map<String, String> test1 = Map.of(
"a", "b",
"c", "d"
);
// this works for ...
How to get the name of enumeration value in Swift?
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As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabin...
What does it mean by select 1 from table?
...not to).
EDIT
There actually is one case which I forgot about until just now. In the case where you are trying to determine existence of a value in the database from an outside language, sometimes SELECT 1 FROM TABLE_NAME will be used. This does not offer significant benefit over selecting an indi...
How do I find the stack trace in Visual Studio?
...shortcut (while debugging and stopped at a breakpoint) is:
Ctrl+Alt+C and now you can also use Ctrl+L
The screenshot is pretty old.
Here is one for Visual Studio 2019 (under the debug menu):
share
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How do I get the current version of my iOS project in code?
...mainBundle] objectForInfoDictionaryKey: @"CFBundleShortVersionString"]; so Now it has become easy to keep in memory
– Durai Amuthan.H
Nov 22 '13 at 18:01
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Deciding between HttpClient and WebClient
...eb API, especially in the form of message handlers for security, etc.
I know mine is only one opinion, but I would only recommend use of HttpClient for any future work. Perhaps there's some way to leverage some of the other pieces coming out of System.Net.Http without using that assembly directly,...
Is an anchor tag without the href attribute safe?
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Hello @Gunnar, the link seems to be gone now. Do you have another reference for the claim?
– user31782
Jan 9 '17 at 15:16
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How do you do a simple “chmod +x” from within python?
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If you know the permissions you want then the following example may be the way to keep it simple.
Python 2:
os.chmod("/somedir/somefile", 0775)
Python 3:
os.chmod("/somedir/somefile", 0o775)
Compatible with either (octal conve...