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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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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
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How to use 'cp' command to exclude a specific directory?
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18 Answers
18
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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...
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...
How do you delete all text above a certain line
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edited Mar 22 '18 at 10:20
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