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Strange out of memory issue while loading an image to a Bitmap object
... doesn't raise 2 to a power, it xors 2 with the result. You want Math.pow(2.0, ...). Otherwise, this looks good.
– DougW
Oct 13 '10 at 7:42
7
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What is the meaning of single and double underscore before an object name?
...robably shouldn’t use this (e.g., because you might change it in version 2.0, or even 1.1); use explicit __all__ whenever you want to make the module from spam import * friendly (including at the interactive interpreter). So most of the time, the answer is both.
– abarnert
...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...number":
/* there is absolutely no way in JS to distinguish 2 from 2.0
so 'number' is the best that you can do. The following doesn't work:
var er = /^[0-9]+$/;
if (!isNaN(v) && v % 1 === 0 && er.test(3.0)) {
out = 'int';
...
What's the difference between IEquatable and just overriding Object.Equals()?
...
The main reason is performance. When generics were introduced in .NET 2.0 they were able to add a bunch of neat classes such as List<T>, Dictionary<K,V>, HashSet<T>, etc. These structures make heavy use of GetHashCode and Equals. But for value types this required boxing. IEqua...
How do pointer to pointers work in C?
...
I like this "real world" code example of pointer to pointer usage, in Git 2.0, commit 7b1004b:
Linus once said:
I actually wish more people understood the really core low-level kind of coding. Not big, complex stuff like the lockless name lookup, but simply good use of pointers-to-pointers etc.
F...
JavaFX and OpenJDK
... any self-contained application that uses JavaFX(e.g. JavaFX Scene Builder 2.0):
cp <JRE_WITH_JAVAFX_HOME>/lib/ext/jfxrt.jar <JRE_HOME>/lib/ext/
cp <JRE_WITH_JAVAFX_HOME>/lib/javafx.properties <JRE_HOME>/lib/
cp <JRE_WITH_JAVAFX_HOME>/lib/amd64/libprism_* <JRE_...
与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处...
与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处有未经处理的异常: 0xC0000374:堆已损坏。 (参数: 0x77DC6668)这种错误可能就是与内存有关的释放问题。这里的错误示例代码主要是为了说明复制构造函数，尤其是含有...
Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...ge -reinstall -ignoreDependencies from the Package Manager Console.
NuGet 2.0 doesn't handle re-targeting your applications very well. In order to change your packages' target frameworks, you must uninstall and reinstall the packages (taking note of the packages you had installed so that you can r...
How can I get zoom functionality for images?
... Multitouch for phones that support it. An regular touch for Android <2.0
– Robert Foss
Jul 8 '11 at 10:04
Nice e...
Do I encode ampersands in ?
...ncerning URLs in links (<a href).
The first standard is RFC 1866 (HTML 2.0) where in "3.2.1. Data Characters" you can read the characters which need to be escaped when used as the value for an HTML attribute. (Attributes themselves do not allow special characters at all, e.g. <a hr&ef="ht...