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Inheritance and Overriding __init__ in python
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The book is a bit dated with respect to subclass-superclass calling. It's also a little dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo,...
EXC_BAD_ACCESS signal received
...ou've come from another background it can take a little while before you really internalise the memory management rules - unless you make a big point of it.
Remember, anything you get from an allocation function (usually the static alloc method, but there are a few others), or a copy method, you ow...
Build an ASCII chart of the most commonly used words in a given text [closed]
... LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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hadoop No FileSystem for scheme: file
...tem, hadoop-hdfs for DistributedFileSystem) each contain a different file called org.apache.hadoop.fs.FileSystem in their META-INFO/services directory. This file lists the canonical classnames of the filesystem implementations they want to declare (This is called a Service Provider Interface impleme...
Logging Clientside JavaScript Errors on Server [closed]
...lippeLeclerc Yes. And worse, it will DoS your server endpoint if you ever fall into an error loop. You should add a throttling function to this to prevent a client from hitting the server too fast. Here is an example of this from {Track:js} github.com/TrackJs/Tech-Demo/blob/master/src/TrackJs.Demo/...
unique object identifier in javascript
...niqueId());
Take care to make sure that whatever member you use to internally store the unique ID doesn't collide with another automatically created member name.
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How to determine when Fragment becomes visible in ViewPager
...UserVisibleHint(). This value is by default true.
// Hint provided by the app that this fragment is currently visible to the user.
boolean mUserVisibleHint = true;
So there might be a problem when you try to use it before setUserVisibleHint() was invoked. As a workaround you might set value in on...
Convert UTC/GMT time to local time
...teTimeKind.Utc
Now, once the system knows its in UTC time, you can just call ToLocalTime:
DateTime dt = convertedDate.ToLocalTime();
This will give you the result you require.
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How do I properly clean up Excel interop objects?
...rop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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Understanding __get__ and __set__ and Python descriptors
...th the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assigned the descriptor to (celsius in the above example) calls the appropriate descriptor method.
instance in __get__ is the instance of the class (so above, __get__ would r...