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cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
...
Most common way of writing a HTML table with vertical headers?
...tain an equal number of columns (TD). Your header has 1 while the body has 3. You should use the colspan attribute to fix that.
Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3.
With that being said, the first option is t...
How do I convert a numpy array to (and display) an image?
...IL import Image
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
shar...
How I can delete in VIM all text from current line to end of file?
...
370
dG will delete from the current line to the end of file
dCtrl+End will delete from the cursor...
twitter bootstrap navbar fixed top overlapping site
...
534
Your answer is right in the docs:
Body padding required
The fixed navbar will overlay your oth...
How can I check the system version of Android?
...
13 Answers
13
Active
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Replace one substring for another string in shell script
...urrences, use ${parameter//pattern/string}:
message='The secret code is 12345'
echo "${message//[0-9]/X}"
# prints 'The secret code is XXXXX'
(This is documented in the Bash Reference Manual, §3.5.3 "Shell Parameter Expansion".)
Note that this feature is not specified by POSIX — it...
Rails: Is there a rails trick to adding commas to large numbers?
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354
You want the number_with_delimiter method. For example:
<%= number_with_delimiter(@number,...
$(this).val() not working to get text from span using jquery
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edited Dec 7 '17 at 11:32
Rory McCrossan
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