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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 to use 'cp' command to exclude a specific directory?
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18 Answers
18
Active
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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...
Elegant setup of Python logging in Django
...logging. (Note: NullHandler is already in the logging package for Python 3.1, and will be in Python 2.7.) So:
logger = logging.getLogger(__name__)
logger.addHandler(someutils.null_handler)
This is done to ensure that your modules play nicely in a site which doesn't configure logging in settings.p...
How to index characters in a Golang string?
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146
Interpreted string literals are character sequences between double quotes "" using the (possib...
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...
Difference between std::system_clock and std::steady_clock?
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From N3376:
20.11.7.1 [time.clock.system]/1:
Objects of class system_clock represent wall clock time from the system-wide realtime clock.
20.11.7.2 [time.clock.steady]/1:
Objects of class steady_clock represent clocks for which va...
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 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...