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Learning Python from Ruby; Differences and Similarities
... @John. "x is None" is the absolutely idiomatic way to do it. python.net/~goodger/projects/pycon/2007/idiomatic/handout.html
– tokland
Jan 22 '11 at 18:43
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Shortest distance between a point and a line segment
...st 2D distance between a point and a line segment in all cases in C, C# / .NET 2.0 or Java? I was asked to put a C# answer here when I find one: so here it is, modified from http://www.topcoder.com/tc?d1=tutorials&d2=geometry1&module=Static :
//Compute the dot product AB . BC
private double...
#pragma once vs include guards? [duplicate]
...hierarchy perspectives (current-working-directories), soft and hard links, network filesystems, and even name collision --try with a file named string.h or something like that--). Not taking into account speed, you could have a script that substituted any, say, %INCLUDE_GUARD% in a file for an autom...
What does the CSS rule “clear: both” do?
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@mr-alien these "bugs" like jsfiddle.net/N82UD/138 kept me away from float. I avoid them like Ebola. Perhaps you can help me make peace with floats once and for all.
– Omar
Mar 19 '15 at 20:53
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What is the most appropriate way to store user settings in Android application
...available in API level 8 (2.2) and later. You can use iharder.sourceforge.net/current/java/base64 or something else for earlier OSs.
– emmby
Jun 20 '11 at 22:19
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How do I create a WPF Rounded Corner container?
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VB.Net code based implementation of kobusb's Border control solution. I used it to populate a ListBox of Button controls. The Button controls are created from MEF extensions. Each extension uses MEF's ExportMetaData attribute fo...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
... of principle for example, and that db sits on the same machine as the asp.net instance, there are cases you'll await a db hit that's in-memory in-index, cheaper than that synchronization switch and threadpool shuffle. There could be a significant overall win with WhenAll() in that kind of scenario,...
In Visual Studio C++, what are the memory allocation representations?
...en connection is severed to the debugger
* 0xBEEFCACE : Used by Microsoft .NET as a magic number in resource files
* 0xCCCCCCCC : Used by Microsoft's C++ debugging runtime library to mark uninitialised stack memory
* 0xCDCDCDCD : Used by Microsoft's C++ debugging runtime library to mark uninitialise...
Which characters make a URL invalid?
... "unwise" in the URI spec will throw a URISyntaxException in the Java java.net.URI constructor so a URL like http://api.google.com/q?exp=a|b is not allowed and must be encoded instead as http://api.google.com/q?exp=a%7Cb if using Java with a URI object instance.
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Regular expression for floating point numbers
...e java.lang.Double.valueOf(String) method (start at http://hg.openjdk.java.net/jdk8/jdk8/jdk, click "browse", navigate down /src/share/classes/java/lang/ and find the Double class). The long regex that this class contains caters for various possibilities that the OP probably didn't have in mind, but...