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Single Line Nested For Loops
..., (2, 4), (3, 1), (3, 4)]
It's exactly the same as this nested for loop (and, as the tutorial says, note how the order of for and if are the same).
>>> combs = []
>>> for x in [1,2,3]:
... for y in [3,1,4]:
... if x != y:
... combs.append((x, y))
...
>...
How do I get Fiddler to stop ignoring traffic to localhost?
... so that localhost has a "." after it.
For instance, you start debugging and the you have the following URL in the Address bar:
http://localhost:49573/Default.aspx
Change it to:
http://localhost.:49573/Default.aspx
Hit enter and Fidder will start picking up your traffic.
...
Is it a good practice to use try-except-else in Python?
...ntrol."
In the Python world, using exceptions for flow control is common and normal.
Even the Python core developers use exceptions for flow-control and that style is heavily baked into the language (i.e. the iterator protocol uses StopIteration to signal loop termination).
In addition, the try...
How is Python's List Implemented?
Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code.
...
Java - escape string to prevent SQL injection
I'm trying to put some anti sql injection in place in java and am finding it very difficult to work with the the "replaceAll" string function. Ultimately I need a function that will convert any existing \ to \\ , any " to \" , any ' to \' , and any \n to \\n so that when the string is e...
How to turn off INFO logging in Spark?
I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully.
...
SQL Server NOLOCK and joins
Background: I have a performance-critical query I'd like to run and I don't care about dirty reads.
3 Answers
...
Convert a list to a dictionary in Python
...p to a dictionary. Each even element represents the key to the dictionary, and the following odd element is the value
12 An...
Implementing INotifyPropertyChanged - does a better way exist?
...ropertyChanged
{
// boiler-plate
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
{
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null) handler(this, new PropertyChangedEven...
Where are ${EXECUTABLE_NAME} and ${PRODUCT_NAME} defined
... EXECUTABLE_NAME is a concatenation of:
$EXECUTABLE_PREFIX, $PRODUCT_NAME and $EXECUTABLE_SUFFIX.
See the reference of EXECUTABLE_NAME for details.
Update
The new reference can be found here http://help.apple.com/xcode/mac/8.3/#/itcaec37c2a6
EXECUTABLE_NAME
Specifies the name of the binary...