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How to pretty print nested dictionaries?
...
This is cool, but doesn't print all dictionaries well. print json.dumps(myObject.__dict__, sort_keys=True, indent=4) #TypeError: <object at 0x0000000002E6A748> is not JSON serializable
– tponthieux
Feb 8 '12 at 2...
Elegant setup of Python logging in Django
...nowhere else. You can either use a configuration file or do it programmatically step-by-step - it just depends on your requirements. The key thing is that I usually add the handlers I want to the root logger, using levels and sometimes logging.Filters to get the events I want to the appropriate file...
How can one use multi threading in PHP applications
... PHP documentation:
pthreads is an object-orientated API that provides all of the tools needed for multi-threading in PHP. PHP applications can create, read, write, execute and synchronize with Threads, Workers and Threaded objects.
Warning:
The pthreads extension cannot be used in a web ...
What is DOCTYPE?
...s NOT defined by the DTD!
For example, a doctype could define how the <table>-tag can look like - which attributes it accepts, and which values/valuetypes are accepted for each attribute. Think of it as a lexicon for your current webpage.
Wikipedia has an informative page on the various Doct...
Python (and Python C API): __new__ versus __init__
...vs immutable types.
__new__ accepts a type as the first argument, and (usually) returns a new instance of that type. Thus it is suitable for use with both mutable and immutable types.
__init__ accepts an instance as the first argument and modifies the attributes of that instance. This is inappropr...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
... .NET connector (Mysql.Data.*) stuff to INSERT the data from memory into a table on a MySQL server via prepared statements. It was written in such a way as to allow me to dynamically adjust the number of VALUE blocks per prepared INSERT (ie, insert n rows at a time, where I could adjust the value of...
How can I change the color of pagination dots of UIPageControl?
... f = CGRectMake(0, 0, 320, 20);
PageControl *pageControl = [[[PageControl alloc] initWithFrame:f] autorelease];
pageControl.numberOfPages = 10;
pageControl.currentPage = 5;
pageControl.delegate = self;
[self addSubview:pageControl];
Header file:
//
// PageControl.h
//
// Replacement for UIPage...
How to update PATH variable permanently from Windows command line?
... do this can be found on MSDN. The key extract is this:
To programmatically add or modify system environment variables, add them to the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment registry key, then broadcast a WM_SETTINGCHANGE message with lParam set to the s...
Difference between numeric, float and decimal in SQL Server
...th abnormal behaviors and issues of approximate numeric types are not acceptable, use Decimal generally.
more useful information
numeric = decimal (5 to 17 bytes) (Exact Numeric Data Type)
will map to Decimal in .NET
both have (18, 0) as default (precision,scale) parameters in SQL server
scal...
Print current call stack from a method in Python code
In Python, how can I print the current call stack from within a method (for debugging purposes).
7 Answers
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