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What are the use(s) for tags in Go?
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A tag for a field allows you to attach meta-information to the field which can be acquired using reflection. Usually it is used to provide transformation info on how a struct field is encoded to or decoded from another format (or stored/retrie...
Most efficient way to create a zero filled JavaScript array?
... @PimpTrizkit arr = Array(n) and (arr = []).length = n behave identically according to the spec. In some implementations one could be faster, but I don't think there is a big difference.
– Oriol
Sep 22 '15 at 16:39
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Generate a random number in the range 1 - 10
... in: ERROR: operator does not exist: date + double precision Does trunc really return integers?
– Bogdan Gusiev
Jan 26 '10 at 12:44
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
... interesting job interview experience a while back. The question started really easy:
47 Answers
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Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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Delete directory with files in it?
I wonder, what's the easiest way to delete a directory with all its files in it?
33 Answers
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When to wrap quotes around a shell variable?
... quote it if it can either be empty or contain spaces (or any whitespace really) or special characters (wildcards). Not quoting strings with spaces often leads to the shell breaking apart a single argument into many.
$? doesn't need quotes since it's a numeric value. Whether $URL needs it depends o...
Regular expression to find URLs within a string
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It's 2017, and unicode domain names are all over the place. \w may not match international symbols (depends on regex engine), the range is needed instead: a-zA-Z0-9\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF.
– Michael Antipin
Aug...
App Inventor 2 AI伴侣有电脑版的吗? - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
...扰、或商业模拟器安装不了，推荐使用AI2Starter模拟器。
Q & A
Q：AI2Starter模拟器可以调整分辨率吗？
A：可以，通过脚本可调整模拟器分辨率。最新版模拟器使用了三星手机样式，屏幕及分辨率较高。
Q：商业模拟器如何使用...
App Inventor 2 连接方式：AI伴侣、模拟器、USB · App Inventor 2 中文网
...扰、或商业模拟器安装不了，推荐使用AI2Starter模拟器。
Q & A
Q：AI2Starter模拟器可以调整分辨率吗？
A：可以，通过脚本可调整模拟器分辨率。最新版模拟器使用了三星手机样式，屏幕及分辨率较高。
Q：商业模拟器如何使用...