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How do I set up a simple delegate to communicate between two view controllers?
I have two UITableViewControllers and need to pass the value from the child view controller to the parent using a delegate. I know what delegates are and just wanted to see a simple to follow example.
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How does autowiring work in Spring?
...nt for a Spring-MVC application is the DispatcherServlet, but it is hidden from you, and hence the direct interaction and bootstrapping of the application context happens behind the scene.
UserServiceImpl should also be defined as bean - either using <bean id=".." class=".."> or using the @Ser...
Execute unit tests serially (rather than in parallel)
... do this as I have Acceptance Tests in different classes that both inherit from the same TestBase and the concurrency wasn't playing nice with EF Core.
– Kyanite
Dec 7 '19 at 22:02
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How to get the user input in Java?
...ew DataInputStream(System.in);
int i = dis.readInt();
The readLine method from the DataInputStream class has been deprecated. To get String value, you should use the previous solution with BufferedReader
Console class
import java.io.Console;
//...
Console console = System.console();
String s = con...
Is it bad practice to return from within a try catch finally block?
...at really happens in a try { return x; } finally { x = null; } statement?
From reading that question it sounds like you can have another try catch structure in the finally statement if you think it might throw an exception. The compiler will figure out when to return the value.
That said, it might...
C# Java HashMap equivalent
Coming from a Java world into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
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Is there a limit to the length of HTML attributes?
...
HTML 4
From an HTML 4 perspective, attributes are an SGML construct. Their limits are defined in the SGML Declaration of HTML 4:
QUANTITY SGMLREF
ATTCNT 60 -- increased --
ATTSP...
How to use glOrtho() in OpenGL?
...ill remap the OpenGL coordinates into the equivalent pixel values (X going from 0 to windowWidth and Y going from 0 to windowHeight). Note that I've flipped the Y values because OpenGL coordinates start from the bottom left corner of the window. So by flipping, I get a more conventional (0,0) starti...
What is the purpose of the -m switch?
... to point out the exact .py file. 2) It is possible to do relative imports from the module that is run, without any workarounds, because its package will be loaded along the way. 3) Absolute imports will be based on your current directory, not the directory where the .py file is ('' is at the head o...
How do I get time of a Python program's execution?
...ory, and just insert import timing at the top of my module:
import atexit
from time import clock
def secondsToStr(t):
return "%d:%02d:%02d.%03d" % \
reduce(lambda ll,b : divmod(ll[0],b) + ll[1:],
[(t*1000,),1000,60,60])
line = "="*40
def log(s, elapsed=None):
print lin...