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Just what is an IntPtr exactly?
...Pointers are pointy things, and pointy things e.g. swords, axes, pointers, etc. should be handled with extra special care.
Pointers give the programmer tight control of a system. Therefore mistakes made are likely to have more serious consequences.
In order to use pointers, unsafe code has to be e...
Reference: What is variable scope, which variables are accessible from where and what are “undefined
...hat of superglobals, including the commonly used $_POST, $_GET, $_SESSION, etc. These variables are arrays that are always available, in any scope, without a global declaration.
For example, this function will print out the name of the user running the PHP script. The variable is available to the f...
Evil Mode best practice? [closed]
...the emacs keys that are used more universally in terminal, firefox, cocoa, etc..., but didn't want to lose the vim editing capabilities. I ended up deciding to rebind the following keys in my .emacs:
(define-key evil-normal-state-map "\C-e" 'evil-end-of-line)
(define-key evil-insert-state-map "\C-e...
Which is more efficient: Multiple MySQL tables or one large table?
...able (i.e. a denormalized table) that would require no joins, calculations etc that reports could point to. These where then used in conjunction with a SQL server agent to run the job at certain intervals (i.e. a weekly view of some stats would run once a week and so on).
...
Compiling dynamic HTML strings from database
...v dynamic="htmlString">dddzzz</div>')); Any ideas on workarounds etc...
– landed
Jun 4 '15 at 9:59
...
Why is there “data” and “newtype” in Haskell? [duplicate]
...abited by infinitely many values: undefined, T undefined, T (T undefined), etc.
– luqui
Jan 12 '14 at 22:46
5
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Is it possible to set a number to NaN or infinity?
...mpy arrays and everything that can be converted to one (like lists, tuple, etc.)
There are also functions that explicitly check for positive and negative infinity in NumPy: numpy.isposinf and numpy.isneginf.
Pandas offers two additional functions to check for NaN: pandas.isna and pandas.isnull (but ...
How to save traceback / sys.exc_info() values in a variable?
...traceback contains the stack information like where the exception occurred etc.
For Example, In the following program
try:
a = 1/0
except Exception,e:
exc_tuple = sys.exc_info()
Now If we print the tuple the values will be this.
exc_tuple[0] value will be "ZeroDivisionError"
exc_tu...
Benefits of EBS vs. instance-store (and vice-versa) [closed]
...er to launch an EBS backed instance because the image does not have to be fetched from S3.
If the hardware your EBS-backed instance is scheduled for maintenance, stopping and starting the instance automatically migrates to new hardware. I was also able to move an EBS-backed instance on failed hardwa...
Difference between SelectedItem, SelectedValue and SelectedValuePath
...our view is bound to (with properties for things like ProductName, Weight, etc). Let's also say you have a CategoryID property on that Product object, and you want the user to be able to select a category for the product from a list of categories. You need the ID property of the Category object to...