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xcode-select active developer directory error
...Xcode.
Preferences
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Selected the Command Lin Tools: Xcode 6.1.1
Now when installing packages with npm I no longer get errors.
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Java String to SHA1
..."my string") instead of reinventing the wheel (though it's interesting to know how to convert to hex by hand)?
– Jon Onstott
Jun 23 '15 at 15:34
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Writing a new line to file in PHP (line feed)
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now my code uses both " and ' and it bothers me
– Mr PizzaGuy
Jan 12 at 16:59
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How to get the browser language using JavaScript [duplicate]
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Update: There is now (2020) an experimental feature supported by all modern browsers that returns an array of language preference: navigator.languages //["en-US", "zh-CN", "ja-JP"] This should work on at least 95% of browsers in 2020.
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How to check postgres user and password? [closed]
A friend of mine done this config on my mac. But I don't know the username and password he had chosen.
2 Answers
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How to copy JavaScript object to new variable NOT by reference? [duplicate]
...ATE 2017: I should mention, since this is a popular answer, that there are now better ways to achieve this using newer versions of javascript:
In ES6 or TypeScript (2.1+):
var shallowCopy = { ...oldObject };
var shallowCopyWithExtraProp = { ...oldObject, extraProp: "abc" };
Note that if extraPr...
Telnet is not recognized as internal or external command [closed]
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You can try using Putty (freeware). It is mainly known as a SSH client, but you can use for Telnet login as well
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使用位置传感器 · App Inventor 2 中文网
...any received text by sending back a text that says, “I’m driving right now, I’ll get back to you later. My location is …” with the current location filled in.
Write a “breadcrumb” app that tracks your (phone’s) whereabouts by recording each location change. One interesting refineme...
How to extract a floating number from a string [duplicate]
...you meant "\d+\.\d+" instead of "\d+.\d+" in your first code block. Right now it would extract something like '13a4'.
– abw333
Dec 6 '15 at 1:00
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PHP - iterate on string characters
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@jon_darkstar I don't know your application, but do take note that each entry in an array has a significant overhead (4bytes IIRC). Skip that, it is 'quite' way more: nikic.github.com/2011/12/12/…
– Daan Timmer
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