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How to iterate over a JavaScript object?
...
906
For most objects, use for .. in :
for (let key in yourobject) {
console.log(key, yourobject[...
pip install from git repo branch
... git+https://github.com/tangentlabs/django-oscar-paypal.git@issue/34/oscar-0.6
And specify the branch name without the leading /.
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Padding characters in printf
...ength of the second string if you want ragged-right lines.
pad=$(printf '%0.1s' "-"{1..60})
padlength=40
string2='bbbbbbb'
for string1 in a aa aaaa aaaaaaaa
do
printf '%s' "$string1"
printf '%*.*s' 0 $((padlength - ${#string1} - ${#string2} )) "$pad"
printf '%s\n' "$string2"
str...
Pip install Matplotlib error with virtualenv
...the trick!
– grisaitis
Feb 4 '13 at 0:59
2
It may work, but note that it wants to install quite a...
sh: 0: getcwd() failed: No such file or directory on cited drive
... with the same name.
– Jackson
Nov 20 '15 at 18:45
exactly true! nice!
– farhad goodarzi
...
Why do we copy then move?
... being copied. And std::string does have a move constructor.
Unlike in C++03, in C++11 it is often idiomatic to take parameters by value, for the reasons I am going to explain below. Also see this Q&A on StackOverflow for a more general set of guidelines on how to accept parameters.
Why are...
How to explain Katana and OWIN in simple words and uses?
...oduct.
Hope this explanation clarifies things better for you.
EDIT (Sep 2014):
With ASP.NET vNext being in development, Katana is slowly getting retired. Version 3.0 will most likely be last major release of Katana as a standalone framework.
However, all the concepts introduced with Katana are b...
Check if database exists in PostgreSQL using shell
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202
I use the following modification of Arturo's solution:
psql -lqt | cut -d \| -f 1 | grep -qw &...
How to convert an IPv4 address into a integer in C#?
...64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work on iPhone though).
Here's a test program to show both conversions, including the network/hos...
Re-open *scratch* buffer in Emacs?
...
201
GNU Emacs default bindings:
C-xb *scratch* RET
or, more verbosely
M-x switch-to-buffe...
