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Singleton: How should it be used

...rface widgets It is supposed to be a cache In strings In Sessions I can go all day long How to create the best singleton: The smaller, the better. I am a minimalist Make sure it is thread safe Make sure it is never null Make sure it is created only once Lazy or system initialization? Up to your re...
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Add only non-whitespace changes

I have my text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace. ...
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What is recursion and when should I use it?

...sion. To see why, walk through the steps that the above languages use to call a function: space is carved out on the stack for the function's arguments and local variables the function's arguments are copied into this new space control jumps to the function the function's code runs the function's...
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Best practice for creating millions of small temporary objects

What are the "best practices" for creating (and releasing) millions of small objects? 13 Answers ...
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How to stop Gradle task execution in Android Studio?

... you can call ./gradlew --stop in a Terminal and it will kill all gradle processes share | improve this answer | ...
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When someone writes a new programming language, what do they write it IN?

...rst compilers for "high level languages" would have been written in whats called "assembly language". Assembly language is a language where each instruction in the language corresponds to a single instruction to the CPU. Its very low level language and extremely verbose and very labor intensive to w...
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What is the difference between Strategy pattern and Dependency Injection?

Strategy pattern and Dependency Injection both allow us to set / inject objects at run time. What is the difference between Strategy pattern and Dependency Injection? ...
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Difference between “!==” and “==!” [closed]

...e is that there is no operator ==!. This expression: $a ==! $b Is basically the same as this: $a == (!$b) share | improve this answer | follow | ...
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Pattern to avoid nested try catch blocks?

...exceptional circumstances. But to answer your question directly (assuming all the exception-types are the same): Func<double>[] calcs = { calc1, calc2, calc3 }; foreach(var calc in calcs) { try { return calc(); } catch (CalcException){ } } throw new NoCalcsWorkedException(); ...
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Bootstrap 3 Navbar Collapse

... "expands" when it reaches a certain minimum size. Bootstrap 3's site actually has a "hint" as to what to do: http://getbootstrap.com/components/#navbar Customize the collapsing point Depending on the content in your navbar, you might need to change the point at which your navbar switches...