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Ruby: How to get the first character of a string
...ot that you should be using 1.8 anymore anyway!--but when this answer was posted it was still quite common):
puts 'Smith'[0] # prints 83
Of course, if you're not doing it on a regular basis, then defining the method might be overkill, and you could just do it directly:
puts last_name[0...
Associative arrays in Shell scripts
....0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
echo ${newmap[name]}
Depending on the shell, you may need to...
Javascript - How to extract filename from a file input control
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vog's answer is really close to the 100% accurate answer to the question (except needs to strip the extension.) A filename is no different from any other string.
– Jon Watte
May 21 '16 at 19:38
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Force Java timezone as GMT/UTC
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Yep, that fine. Just one point to mention, that I actually set the user.timezone directly in code, rather then via the -D parameter.
– SyBer
Apr 13 '10 at 21:10
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Flexbox: center horizontally and vertically
How to center div horizontally, and vertically within the container using flexbox. In below example, I want each number below each other (in rows), which are centered horizontally.
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Is there an Eclipse plugin to run system shell in the Console? [closed]
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In case you haven't installed something that depends on it already, you will first have to do Install New Software -> General Purpose Tools -> Remote System Explorer End-User Runtime.
– Glyph
Apr 29 '10 a...
Sublime Text 3 how to change the font size of the file sidebar?
...he Package "Theme-Default", the font size of the editor does not change at all. Is there anything different in sublime text3？
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Is it possible to install another version of Python to Virtualenv?
I have a shared account in a web-hosting that has Python 2.4 installed, but my code is not compatible with 2.4. Is it possible to install Python 2.6 directly to Virtualenv?
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Favourite performance tuning tricks [closed]
...les (possibly archive the deleted records)
Consider doing this automatically once a day or once a week.
Rebuild Indexes
Rebuild Tables (bcp data out/in)
Dump / Reload the database (drastic, but might fix corruption)
Build new, more appropriate index
Run DBCC to see if there is possible corru...
Creating a system overlay window (always on top)
...ng to create an always-op-top button/clickable-image
which stays on top of all the windows all the time.
16 Answers
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