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Is Java really slow?

... to a self-fulfilling prophecy -- when people care about speed, they often select C++ because it has that reputation. They put extra time and effort into optimization, and a new generation of fast C++ code is written. To summarize, the normal implementation of Java makes maximum optimization proble...
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Daylight saving time and time zone best practices [closed]

...tal). Test transition of DST, i.e. when you are currently in summer time, select a time value from winter. Test boundary cases, such as a timezone that is UTC+12, with DST, making the local time UTC+13 in summer and even places that are UTC+13 in winter Test all third-party libraries and applicatio...
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How to use knockout.js with ASP.NET MVC ViewModels?

...ded with KO, they have a dblClick event binded that when fired, remove the selected item from the current list and add it to the other list, when you post to the Controller, the content of each list is sent as JSON data and re-attached to the server model Nuggets: Newtonsoft jQuery knockoutjs Knock...
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How can I link to a specific glibc version?

...ric so in menuconfig I do: Operating System Version of linux so I select: 4.14.71 which is the first equal or older version. It has to be older since the kernel is backwards compatible. Now you can build with: env -u LD_LIBRARY_PATH time ./ct-ng build CT_JOBS=`nproc` and now wait for...
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Why do we need private subnet in VPC?

...including those with only private IP addresses, to directly access S3 from selected subnets within the VPC, without touching "the Internet," and without using a NAT instance or NAT gateway, but this does require additional configuration, and is only usable to access buckets within the same AWS regio...
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Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)

.... */ private int bottomOffsetPixels; /** * A currently selected marker */ private Marker marker; /** * Our custom view which is returned from either the InfoWindowAdapter.getInfoContents * or InfoWindowAdapter.getInfoWindow */ private View infoW...
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Monad in plain English? (For the OOP programmer with no FP background)

...on, that composition is associative, and so on. In C#, "Bind" is called "SelectMany". Take a look at how it works on the sequence monad. We need to have two things: turn a value into a sequence and bind operations on sequences. As a bonus, we also have "turn a sequence back into a value". Those op...
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How do I print a list of “Build Settings” in Xcode project?

...Build Settings” when it's built: To add, (with the target in question selected) under the Build Phases tab-section click the little ➕ button a dozen-or-so pixels up-left-ward from the Target Dependencies section, and set the shell to /bin/bash and the command to export.  You'll also probabl...
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File I/O in Every Programming Language [closed]

...ol compiler ENVIRONMENT DIVISION. INPUT-OUTPUT SECTION. FILE-CONTROL. SELECT StudentFile ASSIGN TO "STUDENTS.DAT" ORGANIZATION IS LINE SEQUENTIAL. DATA DIVISION. FILE SECTION. FD TestFile. 01 TestData. 02 LineNum PIC X. 02 LineText PIC X(72). PROCEDURE DIVISION. B...
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Why should I use a pointer rather than the object itself?

...m (especially when using IDEs or text editors that show the signature of a selected functions). Also, const&. – JAB Mar 3 '14 at 16:04  |  ...