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Read stream twice
... the contents of the InputStream to a byte array, and then repeatedly read from the byte array using a ByteArrayInputStream. E.g.:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
org.apache.commons.io.IOUtils.copy(in, baos);
byte[] bytes = baos.toByteArray();
// either
while (needToReadA...
Creating an abstract class in Objective-C
...on of an abstract class, however. In fact, there is nothing to stop a user from providing implementations of abstract methods via a category (i.e. at runtime). You can force a user to at least override certain methods by raising an exception in those methods implementation in your abstract class:
[...
How to detect if CMD is running as Administrator/has elevated privileges?
From inside a batch file, I would like to test whether I'm running with Administrator/elevated privileges.
13 Answers
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Does Internet Explorer 8 support HTML 5?
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IE8 beta 2 supports two APIs from HTML5: cross-document messaging and non-SQL storage.
IE8 beta 2 doesn’t implement the HTML5 parsing algorithm or the new elements (no <canvas> or <video> support).
There are also bug fixes that align IE8 ...
prototype based vs. class based inheritance
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No, sorry, CLOS is from the late 80's dreamsongs.com/CLOS.html Smalltalk from 1980 en.wikipedia.org/wiki/Smalltalk and Simula with full object orientation from 1967-68 en.wikipedia.org/wiki/Simula
– Charlie Martin
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Adding days to a date in Python
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importing like "from datetime import datetime, timedelta" would add readibility to the code
– Manel Clos
Nov 12 '14 at 13:31
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Injecting $scope into an angular service function()
...ject. Many scope objects can be created (usually prototypically inheriting from a parent scope). The root of all scopes is the $rootScope and you can create a new child-scope using the $new() method of any scope (including the $rootScope).
The purpose of a Scope is to "glue together" the presentat...
Redefining NULL
...for equality to the magic value instead of checking for zero. This follows from the equality testing semantics, but the compiler may implement it differently internally. See §6.5.13/3, §6.5.14/3, §6.5.15/4, §6.5.3.3/5, §6.8.4.1/2, §6.8.5/4
As caf pointed out, update the semantics for initializ...
Stripping everything but alphanumeric chars from a string in Python
What is the best way to strip all non alphanumeric characters from a string, using Python?
11 Answers
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BeanFactory vs ApplicationContext
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An important note from the linked Spring documentation: "Versions of Spring 2.0 and above make heavy use of the BeanPostProcessor extension point (to effect proxying and suchlike), and if you are using just a plain BeanFactory then a fair amou...