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How to avoid null checking in Java?
... return empty collections (or arrays) instead of nulls pretty much all the time.
With non-collections it might be harder. Consider this as an example: if you have these interfaces:
public interface Action {
void doSomething();
}
public interface Parser {
Action findAction(String userInput);
...
How can I dynamically create derived classes from a base class
... good practice in Python - you either have
variable names, known at coding time, or data - and names learned in runtime
are more "data" than "variables" -
So, you could just add your classes to a dictionary and use them from there:
name = "SpecialClass"
classes = {}
classes[name] = ClassFactory(n...
Converting Secret Key into a String and Vice Versa
...n Android, which definitely isn't on 8 yet (and probably won't be for some time). Please don't edit someone's answer on an assumption of context.
– Jabari
Dec 21 '14 at 1:15
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How to limit the amount of concurrent async I/O operations?
...tp requests? So that no more than 20 web pages are downloaded at any given time. How to do it in the most efficient manner?
...
compilation warning: no rule to process file for architecture i386
...ases. I don't know why, anyone has a clue why this happens? Currently each time I create a new class I need to delete the header files from the build phases manually.
– Bocaxica
Nov 9 '12 at 18:55
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How does a debugger work?
...es? Does the application use the same memory addresses for variables every time it is run? I had always assumed that it just found mapped from available memory but had never really thought about whether the bytes would map directly to the same spot in the app's memory space. It seems like that woul...
What's the “average” requests per second for a production web application?
...obs.
8 Sun X4100s.
Process a request in 200 milliseconds in Rails.
Average time spent in the database is 50-100 milliseconds.
Over 16 GB of memcached.
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...nvironment I would always use TryGetValue as the state may change from the time you call ContainsKey (there's no guarantee that TryGetValue will internally lock correctly either, but it's probably safer)
– Chris Berry
Apr 10 '17 at 9:07
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How to disable the application pool idle time-out in IIS7?
Will it be disabled if I set the idle time-out to 0?
3 Answers
3
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how to make a specific text on TextView BOLD
...his function does not expect the substring can occur in full text multiple times. For example in "My username is name" it cannot make the 2nd "name" bold.
– Jadamec
Mar 21 '17 at 18:02
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