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In log4j, does checking isDebugEnabled before logging improve performance?

...g statement you will already have the check in place. 2- You don't have to selectively include the statement on "complex" debug statements. All statements are included that way. 3- Calling log.debug executes the following before logging: if(repository.isDisabled(Level.DEBUG_INT)) retur...
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How to print the ld(linker) search path

... When using CMake you can select the exact libraries which are used during the configuration phase (some of these entries are shown only in advanced mode). As for configure scripts from Autotools, see this answer: stackoverflow.com/questions/7561509/...
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Get file version in PowerShell

...at does not require a .NET object. IMHO Jaykul's response should have been selected as the answer :) – Thomas Bratt Dec 11 '08 at 16:28 2 ...
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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]

...Peter Ehrlich : Just go to the Window > Android SDK and AVD Manager and select AVD you want to launch from the list and then click on the Start button in the right pane. It will open the same you want. – Vikas Patidar Jan 2 '12 at 7:10 ...
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Elegant solution to duplicate, const and non-const, getters? [duplicate]

...use the data is exposed to the world. Using friend only exposes data to a select few, so gives better encapsulation. Of course, this is not always possible so you may be stuck with the getters. At the very least, most or all of the "non-trivial chunk of code" should be in one or more private func...
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What is stability in sorting algorithms and why is it important?

...Sort Gnome Sort Odd–even Sort Unstable Sorting Algorithms: Heap sort Selection sort Shell sort Quick sort Introsort (subject to Quicksort) Tree sort Cycle sort Smoothsort Tournament sort(subject to Hesapsort) share ...
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#ifdef replacement in the Swift language

...what I wanted by using custom Build Configurations: Go to your project / select your target / Build Settings / search for Custom Flags For your chosen target set your custom flag using -D prefix (without white spaces), for both Debug and Release Do above steps for every target you have Here's ...
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Expression Versus Statement

...abeled_statement | compound_statement | expression_statement | selection_statement | iteration_statement | jump_statement ; expression_statement : ';' | expression ';' ; http://www.lysator.liu.se/c/ANSI-C-grammar-y.html ...
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Java's Interface and Haskell's type class: differences and similarities?

... class to other classes, define static methods and constructors that would select an implementation based on what return type is required in calling context, define methods that take arguments of the same type as the class implementing the interface, and various other things that don't really transl...
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Launching Google Maps Directions via an intent on Android

...o set the default transit mode in the intent. By default the car option is selected. Can I set Walking as the default mode? – Bear Jan 7 '13 at 17:32 6 ...