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Using the Underscore module with Node.js
... to get the Underscore library to work properly... it seems that the first time I use a function from Underscore, it overwrites the _ object with the result of my function call. Anyone know what's going on? For example, here is a session from the node.js REPL:
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What is a “feature flag”?
...ing is on production infrastructure with production traffic. Don’t waste time building extensive performance labs and staging environments.
Experimentation - know how a new feature moves the needle on your KPIs.
Avoiding Hotfixes or Code Rollbacks when Problems Happen - both hotfixes and code ro...
Uses for Optional
...you're storing into a field, you'd do this at initialization or assignment time. If you're adding values into a list, as the OP mentioned, you have the additional choice of simply not adding the value, thereby "flattening" out absent values.
I'm sure somebody could come up with some contrived cases...
Service vs IntentService in the Android platform
... the application's main loop), but only one request will be processed at a time.
The IntentService class provides a straightforward structure for running an operation on a single background thread. This allows it to handle long-running operations without affecting your user interface's responsivene...
HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
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+1. Nice and clean. Anytime I try to manage layout by binding to some actual width (as in the accepted answer), things get messy.
– Eren Ersönmez
Aug 14 '14 at 5:55
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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);
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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...
What .NET collection provides the fastest search
...our default "Contains" workhorse data structure, because it takes constant time to evaluate Contains.
The actual answer to "What is the fastest searchable collection" depends on your specific data size, ordered-ness, cost-of-hashing, and search frequency.
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No EditorOptionDefinition Export Found Error
...he visual Studio
And it start to work
It happened to me again then this time I tried Web Essentials 2013.5 then Its start to work. Hope this will help you.
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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?
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