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SVN Commit specific files
...ts printer on fire" printer-driver/*.c
You can also have the svn command read the list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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...
A semantics for Bash scripts?
...:-2}" Hello World
+ echo Hello World
Hello World
For more on expansions, read the Parameter Expansion section of the manual. It's quite powerful.
Integers and arithmetic expressions
You can imbue names with the integer attribute to tell the shell to treat the right hand side of assignment expres...
Lambda expression vs method reference [closed]
...vs an anonymous class"? And the answer is the same: when you find it more readable. There are certainly cases that are definitely one or definitely the other but there's a host of grey in the middle, and judgment must be used.
The theory behind method refs is simple: names matter. If a method ...
Why does pylint object to single character variable names?
...t will be descriptive. I'm currently using with open(FILE) as f: items = f.readlines() for example, where the variable f is really obvious, but I get pylint warnings. This made me change to flake8.
– Axel Örn Sigurðsson
Aug 20 '14 at 14:05
...
Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
...ght security settings otherwise SSH complains. Make sure only the user can read the key.
chmod go-rw privatekey.pem
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Ternary operation in CoffeeScript
... statements without an else clause:
if sunny
go_outside()
else
read_a_book().
if sunny then go_outside() else read_a_book()
Both become ternaries, both can be used as expressions. It's consistent, and there's no new syntax to learn. So, thanks for the suggestion, but I'm closing t...
What are the pros and cons of performing calculations in sql vs. in your application
...; the server could be streaming rows which you consume as they arrive - a "reader" metaphor is not uncommon.
– Marc Gravell♦
Sep 22 '11 at 23:03
1
...
How to get last items of a list in Python?
..., like a string) would look like this:
num_list[-9:]
When I see this, I read the part in the brackets as "9th from the end, to the end." (Actually, I abbreviate it mentally as "-9, on")
Explanation:
The full notation is
sequence[start:stop:step]
But the colon is what tells Python you're giv...
Extending an Object in Javascript
...ct-oriented than that?"
You don't need constructors, no new instantiation (read why you shouldn't use new), no super, no self-made __construct. You simply create Objects and then extend or morph them.
This pattern also offers immutability (partial or full), and getters/setters.
TypeScript
The TypeSc...
Python csv string to array
...d,e,f
gęś,zółty,wąż,idzie,wąską,dróżką,
"""
f = StringIO(scsv)
reader = csv.reader(f, delimiter=',')
for row in reader:
print('\t'.join(row))
simpler version with split() on newlines:
reader = csv.reader(scsv.split('\n'), delimiter=',')
for row in reader:
print('\t'.join(row))...