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Replacing spaces with underscores in JavaScript?
... Crescent FreshCrescent Fresh
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What is the correct XPath for choosing attributes that contain “foo”?
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evilhomerevilhomer
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How to get number of entries in a Lua table?
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answered Apr 24 '10 at 19:14
u0b34a0f6aeu0b34a0f6ae
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Copying files from host to Docker container
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How do you access command line arguments in Swift?
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answered Feb 27 at 23:34
pkambpkamb
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How do I change the font size of a UILabel in Swift?
...rst option.
Swift 3 Update:
label.font = label.font.withSize(20)
Swift 4 Update:
label.font = label.font.withSize(20)
or
label.font = UIFont(name:"fontname", size: 20.0)
and if you use the system fonts
label.font = UIFont.systemFont(ofSize: 20.0)
label.font = UIFont.boldSystemFont(ofSize:...
Are there disadvantages to using a generic varchar(255) for all text-based fields?
...single-byte content (e.g. ascii or latin1 characters). And likewise utf8mb4 character set causes the string to pad out to four bytes per character in memory.
So a VARCHAR(255) in utf8 storing a short string like "No opinion" takes 11 bytes on disk (ten lower-charset characters, plus one byte for l...
bash/fish command to print absolute path to a file
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edited Aug 24 at 23:52
Boris
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answe...
BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...信道上传输，即除37/38/39之外的其余37信道（BLE总共占用40个信道）。每建立一次连接，重新生成一次Access address。数据包是给连接通信使用的，即用于master和slave之间通信的。广播类型目前BLE广播报文有7种类型，其中关于连接的...
Warn user before leaving web page with unsaved changes
...cript>
Custom messages not supported everywhere
Do note that Firefox 4 didn't support custom messages in this dialog. As of april 2016, Chrome 51 is being rolled out in which custom messages are also being removed.
Some alternatives exist elsewhere on this site, but I think a dialog like thi...