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Django admin: how to sort by one of the custom list_display fields that has no database field
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edited Feb 28 '10 at 23:27
answered Feb 28 '10 at 22:40
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How to get the raw value an field?
...urself.
The W3 also has the same specs and adds:
User agents must not allow the user to set the value to a non-empty
string that is not a valid floating-point number.
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Amazon Interview Question: Design an OO parking lot [closed]
...s.
ParkingSpace has an Entrance.
Entrance has a location or more specifically, distance from Entrance.
ParkingLotSign is a class.
ParkingLot has a ParkingLotSign.
ParkingLot has a finite number of ParkingSpaces.
HandicappedParkingSpace is a subclass of ParkingSpace.
RegularParkingSpace is a s...
How to find unused images in an Xcode project?
Has anyone a one-line to find unused images in an Xcode project? (Assuming all the files are referenced by name in code or the project files - no code generated file names.)
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Node.js create folder or use existing
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Good way to do this is to use mkdirp module.
$ npm install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to create directory path.
var mkdirp = require('mkdir...
Do I cast the result of malloc?
... someone suggested in a comment that I should not cast the result of malloc , i.e.
29 Answers
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How to parse JSON in Scala using standard Scala classes?
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answered Nov 15 '10 at 15:50
huynhjlhuynhjl
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How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
The firewall I'm behind is running Microsoft ISA server in NTLM-only mode. Hash anyone have success getting their Ruby gems to install/update via Ruby SSPI gem or other method?
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Regex, every non-alphanumeric character except white space or colon
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[^a-zA-Z\d\s:]
\d - numeric class
\s - whitespace
a-zA-Z - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
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MLKitDocScanner 拓展：文档扫描（自动找边缘、纠正透视、导出 PDF） · Ap...
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PageLimit
一次最多扫描多少页。至少 1 页，默认 10 页。拍身份证、发票这类单页场景设为 1，用户扫完一页就直接进入确认界面。
AllowGalleryImport
是否允许用户在扫描界面里从相册选图片（而不是只能现场拍）。默认...