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What does the tilde (~) mean in my composer.json file?
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143
Tilde means next significant release. In your case, it is equivalent to >= 2.0, < 3.0.
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Xcode 4 says “finished running ” on the targeted device — Nothing happens
... 4.2, and attempting to run on an earlier device (e.g. iPhone 3G, 2G, iPod 1st gen, etc) I have another solution. New projects created in Xcode 4.2 by default specify 'armv7' in the 'Required Device Capabilities'. You'll need to remove this if wanting to support devices that run armv6 (e.g. the iPh...
Remove last character from string. Swift language
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let name: String = "Dolphin"
let stringLength = count(name) // Since swift1.2 `countElements` became `count`
let substringIndex = stringLength - 1
name.substringToIndex(advance(name.startIndex, substringIndex)) // "Dolphi"
Alternatively (for a more practical, but less educational example) you can...
tmux set -g mouse-mode on doesn't work
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So this option has been renamed in version 2.1 (18 October 2015)
From the changelog:
Mouse-mode has been rewritten. There's now no longer options for:
- mouse-resize-pane
- mouse-select-pane
- mouse-select-window
- mode-mouse
Instead there is just...
How to subtract a day from a date?
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1378
You can use a timedelta object:
from datetime import datetime, timedelta
d = datetime.today...
encryption/decryption with multiple keys
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174
GnuPG does multi-key encryption in standard.
The following command will encrypt doc.txt using...
How do I daemonize an arbitrary script in unix?
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How do I interactively unstage a particular hunk in git?
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139
Try git reset --patch filename; this should do the opposite of git add --patch, according to t...
How can I remove the extension of a filename in a shell script?
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12 Answers
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