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Method to Add new or update existing item in Dictionary
...When you start Reflector, you see that the indexer setters of both classes call this.Insert(key, value, add: false); and the add parameter is responsible for throwing an exception, when inserting a duplicate key. So the behavior is the same for both classes.
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Targeting .NET Framework 4.5 via Visual Studio 2010
...S 2008, a cache of assemblies was introduced that is used by Visual Studio called the "Referenced Assemblies". This file cache for VS 2010 is located at \Reference Assemblies\Microsoft\Framework.NetFramework\v4.0. Visual Studio loads framework assemblies from this location instead of from the fram...
How do I connect to a MySQL Database in Python?
...tor. That means no binaries to install: it's just a Python library. It's called "Connector/Python".
http://dev.mysql.com/downloads/connector/python/
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How to convert comma-delimited string to list in Python?
...:
mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
It is called list comprehension, and it is based on set builder notation.
ex:
>>> mStr = "1,A,B,3,4"
>>> mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
>>> mList
>>> [1,'A','B...
What does it mean by select 1 from table?
...ver, common enough to be noted, even if it isn't really meaningful (that said, I will use it because others use it and it is "more obvious" immediately. Of course, that might be a viscous chicken vs. egg issue, but I don't generally dwell)).
SELECT * FROM TABLE1 T1 WHERE EXISTS (
SELECT 1 FRO...
How to prevent that the password to decrypt the private key has to be entered every time when using
...tory.
The problem is that when it tries to clone repository it need to provide the password, because it is not remembered; so because there is no human interaction, it waits forever the password.
How can I force it to remember from id_rsa.pub?
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How do I get the user agent with Flask?
... the bill of collecting a lot of information out of flask, and has example calls to getting this information out of the application context.
https://pythonhosted.org/Flask-Track-Usage/
Usage gets stored in this format:
[
{
'url': str,
'user_agent': {
'b...
What is the difference between D3 and jQuery?
... jQuery you directly manipulate elements, but with D3 you provide data and callbacks through D3's unique data(), enter() and exit() methods and D3 manipulates elements.
D3 is usually used for data visualization but jQuery is used for creating web apps. D3 has many data visualization extensions and j...
How to get std::vector pointer to the raw data?
...the iterator returned by begin() (as the compiler warns, this is not technically allowed because something.begin() is an rvalue expression, so its address cannot be taken).
Assuming the container has at least one element in it, you need to get the address of the initial element of the container, wh...
How to send cookies in a post request with the Python Requests library?
...ion for this exact thing, storing cookies across multiple sessions, making calls from the returned session object instead.
– TankorSmash
May 26 '12 at 0:35
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