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sqlite3-ruby install error on Ubuntu
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26
I needed sudo apt-get install libsqlite3-dev . Thanks.
– B Seven
May 26 '11 at 21:53
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How to read a file without newlines?
...ewline at the end of file:
with open(the_file, 'r+') as f:
f.seek(-1, 2) # go at the end of the file
if f.read(1) != '\n':
# add missing newline if not already present
f.write('\n')
f.flush()
f.seek(0)
lines = [line[:-1] for line in f]
Or a simpler alt...
Git Push Error: insufficient permission for adding an object to repository database
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882
+50
Repair Pe...
Inserting HTML into a div
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answered Feb 25 '09 at 5:06
NathanNathan
10.2k1212 gold badges4848 silver badges6262 bronze badges
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Run a single migration file
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244
You can just run the code directly out of the ruby file:
rails console
>> require "db/m...
What are the applications of binary trees?
...ery high-bandwidth router for storing router-tables.
Hash Trees - used in p2p programs and specialized image-signatures in which a hash needs to be verified, but the whole file is not available.
Heaps - Used in implementing efficient priority-queues, which in turn are used for scheduling processes i...
How can I tell if a DOM element is visible in the current viewport?
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26 Answers
26
Active
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Single script to run in both Windows batch and Linux Bash?
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92
What I have done is use cmd’s label syntax as comment marker. The label character, a colon (:)...
Fastest way to convert Image to Byte array
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answered Jun 27 '13 at 19:57
Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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