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How to delete a record in Django models?
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Note that the first one will not call the .delete() method of the object, so if you have 'cleanup' code in that method it will not be called. Generally not an issue, but worth keeping in mind.
– Matthew Schinckel
Sep 28 ...
How to create a new (and empty!) “root” branch?
...ository. By "root" branch I mean a branch that is entirely independent of all the other branches in the repository 1 .
4 A...
Kill a Process by Looking up the Port being used by it from a .BAT
...iable (in our case, %%P). delims looks empty, but that extra space is actually significant.
netstat -a -n -o
Just run it and find out. According to the command line help, it "Displays all connections and listening ports.", "Displays addresses and port numbers in numerical form.", and "Displays ...
SQLAlchemy: Creating vs. Reusing a Session
Just a quick question: SQLAlchemy talks about calling sessionmaker() once but calling the resulting Session() class each time you need to talk to your DB. For me that means the second I would do my first session.add(x) or something similar, I would first do
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How to strip all whitespace from string
How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces , but I cannot seem to accomplish that with strip() :
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What are all the differences between src and data-src attributes?
...ributes src and data-src have nothing in common, except that they are both allowed by HTML5 CR and they both contain the letters src. Everything else is different.
The src attribute is defined in HTML specs, and it has a functional meaning.
The data-src attribute is just one of the infinite set of...
What does 'const static' mean in C and C++?
...t depending on the architecture, and might be in memory marked read-only.
All that is how C treats these variables (or how C++ treats namespace variables). In C++, a member marked static is shared by all instances of a given class. Whether it's private or not doesn't affect the fact that one variab...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...ipulate it to be index=[100], which works. Q: Isn't Index supposed to logically ordered incrementally, why does python allow Index manipulation?
– Sumanth Lazarus
Aug 2 '19 at 6:08
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Check if one IEnumerable contains all elements of another IEnumerable
What is the fastest way to determine if one IEnumerable contains all the elements of another IEnumerable when comparing a field/property of each element in both collections?
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Android map v2 zoom to show all the markers
...markers in the GoogleMap . I want to zoom in as much as possible and keep all markers in view? In the earlier version this can be achieved from zoomToSpan() but in v2 I have no idea how about doing that. Further, I know the radius of the circle that needs to be visible.
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