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Open a buffer as a vertical split in VIM
...t;leader>s :ls<cr>:sp<space>\|<space>b<space>
Based on this, you can see the buffer list as soon as you hit
<leader>b
<leader>v
<leader>s
and then just enter the desired buffer number N. This will then open the buffer in the desired window. You ca...
How do I rename a column in a SQLite database table?
I would need to rename a few columns in some tables in a SQLite database.
I know that a similar question has been asked on stackoverflow previously, but it was for SQL in general, and the case of SQLite was not mentioned.
...
What is a dependency property?
... it to be in Row #2 on the parent Grid (due to the fact that rows are zero-based) but the Row DependencyProperty belongs to the Grid object.
– Jonathan Perry
Jul 17 '13 at 12:24
...
SQLite UPSERT / UPDATE OR INSERT
I need to perform UPSERT / INSERT OR UPDATE against a SQLite Database.
7 Answers
7
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How do I move the turtle in LOGO? [closed]
...monic fd. When working with a robot (real) turtle as opposed to a graphics based (virtual) one, you might find that the turning commands left and right [lt & rt] move the turtle a little, accidentally.
Most implementations also allow the command backwards [bk].
When the turtle moves, it may dr...
Virtual functions and performance - C++
...o be defined via vtable if it's marked as virtual or if it's overriding a base class that has it as virtual. You'll often see classes that have a group of virtual functions for public interface, and then a lot of inline accessors and so on. (Technically, this is implementation-specific and a compi...
What does 'wb' mean in this code, using Python?
... when you specify text mode with wt), however, Python will encode the text based on the default text encoding. Additionally, Python will convert line endings (\n) to whatever the platform-specific line ending is, which would corrupt a binary file like an exe or png file.
Text mode should therefore ...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...usted programs both interactively and in automatic mode. It has a ptrace()-based backend which allows its use on a Linux system without special privileges, as well as a far faster and more poweful backend which requires patching the kernel.
It is also possible to create a sandbox on Unix-like syste...
How to get a time zone from a location using latitude and longitude coordinates?
...nt libraries for just about everything
Self-hosted web services
geo2tz - based on Timezone lookup, available via Docker image
Other Ideas
Find the nearest city with an R-Tree
Find the nearest city with MySQL
Please update this list if you know of any others
Also, note that the nearest-city appr...
How to get the currently logged in user's user id in Django?
...checks for expired sessions and then figures out which user they belong to based on the decoded _auth_user_id attribute:
def ajax_find_logged_in_users(request, client_url):
"""
Figure out which users are authenticated in the system or not.
Is a logical way to check if a user has an expi...