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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
What are all the common undefined behaviours that a C++ programmer should know about?
11 Answers
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Counting inversions in an array
...14)
6 is in the 4th position of array B, thus there are 3 inversions. We know this because 6 was in the first position in array A, thus any lower value element that subsequently appears in array A would have an index of j > i (since i in this case is 1).
2.b: Remove A[1] from array A and also f...
RegEx for matching UK Postcodes
...mmend taking a look at the UK Government Data Standard for postcodes [link now dead; archive of XML, see Wikipedia for discussion]. There is a brief description about the data and the attached xml schema provides a regular expression. It may not be exactly what you want but would be a good starting ...
Tool to convert Python code to be PEP8 compliant
I know there are tools which validate whether your Python code is compliant with PEP8, for example there is both an online service and a python module .
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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...Provider
Lets assume our application uses a userId to identify each user. Now, we need to send message to a specific user. We have userId and message, but SignalR must also know the mapping between our userId and the connection.
To achieve this, first we need to create a new class which implements...
Change C++/CLI project to another framework than 4.0 with vs2010
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I now did these steps but now I get the error "MSB8009: .NET Framework 2.0/3.0/3.5 target the v90 platform toolset. Please make sure that Visual Studio 2008 is installed on the machine". I do not have VS2008.
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Fragment or Support Fragment?
...isadvantage so far with this approach.
So my answer to my own question is now: When developing for Android 4.x, using the fragments from the support library is a good idea. The support library has bugs fixed that are still present in older fragment implementations and is frequently updated with mor...
How to force use of overflow menu on devices with menu button
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Let's step into this conversation and discuss: I know it's prevented by design (i read the design guidelines). But thats kind of %$/%#+, i think. For example: the user is switching from a Galaxy Nexus (-> w Overflow) to a Nexus One (w 4.0/ -> no Overflow). I bet the us...
how to check the dtype of a column in python pandas
...ent functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answers
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Human readable javascripts in chrome developer tools
does anybody know whether Chrome Developer Tools can format javascripts into human readable form ? Some kind of beautifier would be handy. Let say that I'm using some JS library and I need to instantiate its object, so that I should know what to put into constructor. But searching through this huge ...