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Underscore prefix for property and method names in JavaScript
...d variable to be private was accepted. Chrome 74 ships with this support.
_ prefixed variable names are considered private by convention but are still public.
This syntax tries to be both terse and intuitive, although it's rather different from other programming languages.
Why was the sig...
MySQL Removing Some Foreign keys
...You can use this to find foreign key constraints: SELECT * FROM information_schema.table_constraints WHERE constraint_schema = '<your db name>' AND constraint_type = 'FOREIGN KEY'
– Gayan Dasanayake
Aug 26 '17 at 2:48
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How to take the first N items from a generator or list in Python? [duplicate]
...:step]
Slicing a generator
import itertools
top5 = itertools.islice(my_list, 5) # grab the first five elements
You can't slice a generator directly in Python. itertools.islice() will wrap an object in a new slicing generator using the syntax itertools.islice(generator, start, stop, step)
Rem...
Django queries - id vs pk
...you don't need to care whether the primary key field is called id or object_id or whatever.
It also provides more consistency if you have models with different primary key fields.
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improve t...
In Vim is there a way to delete without putting text in the register?
... without saving it in a register, you can use the "black hole register":
"_d
Of course you could also use any of the other registers that don't hold anything you are interested in.
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improv...
How can I get current location from user in iOS
...be kept calling. Happy Coding Guys!! Cheers!!
– Apple_iOS0304
Mar 13 '13 at 4:07
5
You are the ty...
How to link C++ program with Boost using CMake
...
In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation.
As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common lib...
Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
...
Here's how I solved it:
open pip.exe in 7zip and extract __main__.py to Python\Scripts folder.
In my case it was C:\Program Files (x86)\Python27\Scripts
Rename __main__.py to pip.py
Run it! python pip.py install something
EDIT:
If you want to be able to do pip install something...
Get object by id()? [duplicate]
...to the object, e.g: TypeError: cannot create weak reference to 'lxml.etree._Element' object
– darkk
Jun 23 '11 at 9:17
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Best algorithm for detecting cycles in a directed graph [closed]
...e following Wikipedia article:
http://en.wikipedia.org/wiki/Topological_sorting
has the pseudo-code for one algorithm, and a brief description of another from Tarjan. Both have O(|V| + |E|) time complexity.
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