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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...
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...
Create a dictionary with list comprehension
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14 Answers
14
Active
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How to use 'cp' command to exclude a specific directory?
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18 Answers
18
Active
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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 to do error logging in CodeIgniter (PHP)
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181
CodeIgniter has some error logging functions built in.
Make your /application/logs folder wr...
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...
Using IQueryable with Linq
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515
Marc Gravell's answer is very complete, but I thought I'd add something about this from the use...