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SQLite - UPSERT *not* INSERT or REPLACE
...e columns in the table: ID, NAME, ROLE
BAD: This will insert or replace all columns with new values for ID=1:
INSERT OR REPLACE INTO Employee (id, name, role)
VALUES (1, 'John Foo', 'CEO');
BAD: This will insert or replace 2 of the columns... the NAME column will be set to NULL or the def...
How to check which version of v8 is installed with my NodeJS?
How is V8 installed along with NodeJs? What version is my current V8 engine?
12 Answers
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PyPy — How can it possibly beat CPython?
... an object can save you the need to do multiple pointer dereferences to finally arrive at the method you want to call.
Q2. Which Python implementation was used to implement PyPy?
The PyPy interpreter is implemented in RPython which is a statically typed subset of Python (the language and not the ...
Can you configure log4net in code instead of using a config file?
...e roller.File property, it started work.
I had to use this in F# (in a fsx script), so had some issues when converting it from C#. If you're interested in the end result (including a way to download log4net nuget package), see below:
nuget_log4net.fsx:
#!/usr/bin/env fsharpi
open System
open Sys...
Xcode: What is a target and scheme in plain language?
...that project
Each target also defines a list of classes, resources, custom scripts etc to include/ use when building.
Targets are usually used for different distributions of the same project.
For example, my project has two targets, a "normal" build and an "office" build that has extra testing fea...
Google Sheets API Setup · App Inventor 2 中文网
...le you got from the Service Account setup steps.
Unable to parse range: ______
If you get this error message, there may be an error with the range that you
provided. This could mean that the sheetName you’ve provided does not actually
exist, or that the reference you provided is not valid A1-...
Sorting dictionary keys in python [duplicate]
...
my_list = sorted(dict.items(), key=lambda x: x[1])
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Syntax error on print with Python 3 [duplicate]
...rror. To avoid this, it is a good practice to import print function:
from __future__ import print_function
Now your code works on both 2.x & 3.x.
Check out below examples also to get familiar with print() function.
Old: print "The answer is", 2*2
New: print("The answer is", 2*2)
Old: print...
How should I organize Python source code? [closed]
...everywhere to keep track of everything
After making sure that the relevant __init__.py files are in the folders. its just a simple case of from module import class
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Colon (:) in Python list index [duplicate]
... Does not work with dictionaries. applying d[:5] is the eqivalent of d.__getitem__(slice(0, 5, None)). A slice is not hashable.
– Steve Zelaznik
Jul 4 '15 at 2:31
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