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What is the difference between native code, machine code and assembly code?
...on to this it does go directly to machine code.
– old_timer
Aug 12 '10 at 16:49
This feels like nitpicking, but not al...
Handling specific errors in JavaScript (think exceptions)
...
try-catch-finally.js
Using try-catch-finally.js, you can call the _try function with an anonymous callback, which it will call, and you can chain .catch calls to catch specific errors, and a .finally call to execute either way.
Example
_try(function () {
throw 'My error';
})
.catch(Erro...
Can I use git diff on untracked files?
...es by simply supplying the path to both files.
git diff --no-index tracked_file untracked_file
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
... a -> a)
providing two functions: a getter, and a setter
get (Lens g _) = g
put (Lens _ s) = s
subject to three laws:
First, that if you put something, you can get it back out
get l (put l b a) = b
Second that getting and then setting doesn't change the answer
put l (get l a) a = a
A...
Extract month and year from a zoo::yearmon object
... I'd add a zoo-free answer for ts as well.
# create an example Date
date_1 <- as.Date("1990-01-01")
# extract year
as.numeric(format(date_1, "%Y"))
# extract month
as.numeric(format(date_1, "%m"))
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How to add new elements to an array?
...-defining the object size allows the compiler to optimize memory. For some applications, it matters. A small app running on a modern computer can probably get away with a lot of Lists before memory becomes a problem.
– DraxDomax
Dec 12 '19 at 12:33
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Fastest way to flatten / un-flatten nested JSON objects
...is implementation also has a prototype pollution bug, e.g. unflatten({"foo.__proto__.bar": 42})
– Alex Brasetvik
Feb 19 at 14:06
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How To Check If A Key in **kwargs Exists?
...dditional arguments. Here's an example of a simple print() wrapper:
def my_print(*args, **kwargs):
prefix = kwargs.pop('prefix', '')
print(prefix, *args, **kwargs)
Then:
>>> my_print('eggs')
eggs
>>> my_print('eggs', prefix='spam')
spam eggs
As you can see, if prefix...
Customize UITableView header section
...tView instead. The Bigger issue is the fact that with this solution, the app will crash when you long press the section header. Correct way is to create a nib that extends UITableViewHeaderFooterView, register it w/ the tableview and return it in this method. Tested on iOS8
–...
Rename multiple files in a directory in Python [duplicate]
...e os.rename(src, dst) to rename or move a file or a directory.
$ ls
cheese_cheese_type.bar cheese_cheese_type.foo
$ python
>>> import os
>>> for filename in os.listdir("."):
... if filename.startswith("cheese_"):
... os.rename(filename, filename[7:])
...
>>>
$ ls
c...