大约有 46,000 项符合查询结果（耗时：0.0644秒） [XML]
Renaming files in a folder to sequential numbers
...
Try to use a loop, let, and printf for the padding:
a=1
for i in *.jpg; do
new=$(printf "%04d.jpg" "$a") #04 pad to length of 4
mv -i -- "$i" "$new"
let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
...
Programmatically set height on LayoutParams as density-independent pixels
...? It looks like the height/width, when set programmatically, are in pixels and not dp.
5 Answers
...
Create array of symbols
...
I always forget that it stands for "intern" an alternative to "to_sym". See codecademy.com/forum_questions/512a675cf116c52d0d00674b
– A5308Y
Jan 10 '14 at 15:44
...
Rails: how do I validate that something is a boolean?
...ield (the field would not be valid for a false value). But in both Rails 3 and 4, having validates :field, inclusion: [true, false] would test for inclusion in a list of values, with the side-effect to test for the field's presence (unless one of those values is nil of course).
...
What XML parser should I use in C++? [closed]
I have XML documents that I need to parse and/or I need to build XML documents and write them to text (either files or memory). Since the C++ standard library does not have a library for this, what should I use?
...
Count cells that contain any text
... edited Jul 15 '18 at 17:48
Andy
15.6k88 gold badges4646 silver badges6868 bronze badges
answered Oct 5 '12 at 13:21
...
Where is PATH_MAX defined in Linux?
...
Here's a good link about PATH_MAX ... and why it simply isn't: insanecoding.blogspot.com/2007/11/pathmax-simply-isnt.html
– paulsm4
Feb 26 '12 at 0:13
...
How can I do SELECT UNIQUE with LINQ?
...idn't achieve an alphabetic sort - for some reason... I switched ascending and descending and got the same result. Is the distinct statement affecting it? maybe it needs to be orderedby after that ?
– baron
Aug 19 '10 at 7:06
...
Example use of “continue” statement in Python?
... the past three or four days, why would I ever need a 'continue' statement and then I run into this post which in turn helps me with some QA — many thanks!
– Freddy
Mar 10 '16 at 5:56
...
How do you enable the escape key close functionality in a Twitter Bootstrap modal?
...ions for the Twitter Bootstrap modal on their main documentation page and used the data-keyboard="true" syntax mentioned but the escape key does not close the modal window. Is there something else I'm missing?
...