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How can you get the Manifest Version number from the App's (Layout) XML variables?
...version could be stored in a resource string, and placed into the manifest by:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.somepackage"
android:versionName="@string/version" android:versionCode="20">
One could create a custom view, and place it...
What is the difference between new/delete and malloc/free?
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Returns a void*
Returns NULL on failure
Must specify the size required in bytes.
Allocating array requires manual calculation of space.
Reallocating larger chunk of memory simple (No copy constructor to worry about)
They will NOT call new/delete
No way to splice user code into the allocation sequen...
Converting string to byte array in C#
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If you already have a byte array then you will need to know what type of encoding was used to make it into that byte array.
For example, if the byte array was created like this:
byte[] bytes = Encoding.ASCII.GetBytes(someString);
You will need...
HTTP Error 503. The service is unavailable. App pool stops on accessing website
There are number of posts on this and I have tried many a things by now. But to no avail. Myself a Winforms Developer basically, started working on this Web stuff few days back as my company is taking Web initiatives.
...
How can I safely encode a string in Java to use as a filename?
... don't want file name collision. Even if user storage areas are segregated by user you may end up with a colliding filename just by filtering out bad characters. The name a user put in is often useful if they ever want to download it too.
For this reason I tend to allow the user to enter what they ...
Make sure only a single instance of a program is running
... of the following methods:
easy_install tendo
pip install tendo
manually by getting it from http://pypi.python.org/pypi/tendo
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Setting “checked” for a checkbox with jQuery
...myCheckbox').attr('checked', false);
Note that this is the approach used by jQuery's unit tests prior to version 1.6 and is preferable to using $('.myCheckbox').removeAttr('checked'); since the latter will, if the box was initially checked, change the behaviour of a call to .reset() on any form th...
What is null in Java?
...ll == null (this isn't always the case in other languages). Note also that by contract, it also has this special property (from java.lang.Object):
public boolean equals(Object obj)
For any non-null reference value x, x.equals(null) should return false.
It is also the default value (for v...
How to correctly implement custom iterators and const_iterators?
...ccess_iterator_tag.These base classes define all type definitions required by STL and do other work.
To avoid code duplication iterator class should be a template class and be parametrized by "value type", "pointer type", "reference type" or all of them (depends on implementation). For example:
// ...
How does Junit @Rule work?
...execution of the method. This is an example of an out-of-box rule provided by Junit.
Similar behaviour can also be achieved by creating our own rules. Junit provides the TestRule interface, which can be implemented to create our own Junit Rule.
Here is a useful link for reference:
http://www.co...