大约有 24,000 项符合查询结果(耗时:0.0385秒) [XML]

https://stackoverflow.com/ques... 

RegEx: Smallest possible match or nongreedy match

... Or search in reverse order, starting at the end, when matches are nested: "(ab(abk)bk)". – LBogaardt Jan 22 '16 at 10:19 ...
https://stackoverflow.com/ques... 

What is the worst gotcha in C# or .NET? [closed]

...efixes for your private fields (there are others, but this is a good one): _myVar, m_myVar – jrista Jun 26 '09 at 8:01 205 ...
https://stackoverflow.com/ques... 

Split a string by a delimiter in python

How to split this string where __ is the delimiter 3 Answers 3 ...
https://stackoverflow.com/ques... 

Equals(=) vs. LIKE

...the = comparison operator: mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci; +-----------------------------------------+ | 'ä' LIKE 'ae' COLLATE latin1_german2_ci | +-----------------------------------------+ | 0 | +----------------------------------...
https://stackoverflow.com/ques... 

Django set default form values

... @Phlip: Don't override View.get_form to set initial data. Any CBV with a FormMixin (basically all CBVs that create or edit data) can either use a class-level initial variable (for unchanging defaults) or you can override FormMixin.get_initial() to return ...
https://stackoverflow.com/ques... 

Find an item in List by LINQ?

...u don't need LINQ, just use: int GetItemIndex(string search) { return _list == null ? -1 : _list.IndexOf(search); } If you are looking for the item itself, try: string GetItem(string search) { return _list == null ? null : _list.FirstOrDefault(s => s.Equals(search)); } ...
https://stackoverflow.com/ques... 

Convert list to dictionary using linq and not worrying about duplicates

... LINQ solution: // Use the first value in group var _people = personList .GroupBy(p => p.FirstandLastName, StringComparer.OrdinalIgnoreCase) .ToDictionary(g => g.Key, g => g.First(), StringComparer.OrdinalIgnoreCase); // Use the last value in group var _peopl...
https://stackoverflow.com/ques... 

Determine if an object property is ko.observable

...ce) { if ((instance === null) || (instance === undefined) || (instance.__ko_proto__ === undefined)) return false; if (instance.__ko_proto__ === ko.dependentObservable) return true; return ko.isComputed(instance.__ko_proto__); // Walk the prototype chain }; UPDATE: If you are using KO 2...
https://stackoverflow.com/ques... 

Constructor overload in TypeScript

... Box(params) { if (params === void 0) { params = {}; } var _a = params.x, x = _a === void 0 ? 0 : _a, _b = params.y, y = _b === void 0 ? 0 : _b, _c = params.height, height = _c === void 0 ? 1 : _c, _d = params.width, width = _d === void 0 ? 1 : _d; this.x = x; this.y ...
https://stackoverflow.com/ques... 

Use of *args and **kwargs [duplicate]

...number of arguments to your function. For example: >>> def print_everything(*args): for count, thing in enumerate(args): ... print( '{0}. {1}'.format(count, thing)) ... >>> print_everything('apple', 'banana', 'cabbage') 0. apple 1. banana 2. cabbage Similarly, *...