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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...
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...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...，集合中数据如下：
> db.students.find()
{ "_id" : ObjectId("5031143350f2481577ea81e5"), "classid" : 1, "age" : 20, "name" : "kobe" }
{ "_id" : ObjectId("5031144a50f2481577ea81e6"), "classid" : 1, "age" : 23, "name" : "nash" }
{ "_id" : ObjectId("5031145a50f2481577ea81e7"), "classid" :...
Finding the Eclipse Version Number
...
104
(Update September 2012):
MRT points out in the comments that "Eclipse Version" question refere...
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...
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...
How to check Django version
...nsole and type
>>> import django
>>> django.VERSION
(2, 0, 0, 'final', 0)
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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
...
“is” operator behaves unexpectedly with integers
...
403
Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>...
ArrayBuffer to base64 encoded string
...
230
function _arrayBufferToBase64( buffer ) {
var binary = '';
var bytes = new Uint8Array( b...