大约有 47,000 项符合查询结果(耗时:0.0526秒) [XML]

https://stackoverflow.com/ques... 

How do I change the color of the text in a UIPickerView under iOS 7?

...IColor whiteColor]}]; return attString; } If you want to change the selection bar colors as well, I found that I had to add 2 separate UIViews to the view containing the UIPickerView, spaced 35 pts apart for a picker height of 180. Swift 3: func pickerView(_ pickerView: UIPickerView, attrib...
https://stackoverflow.com/ques... 

Convert dictionary to list collection in C#

... To convert the Keys to a List of their own: listNumber = dicNumber.Select(kvp => kvp.Key).ToList(); Or you can shorten it up and not even bother using select: listNumber = dicNumber.Keys.ToList(); share ...
https://stackoverflow.com/ques... 

Is floating point math broken?

...e last place. The table of reciprocals of Y (1/Y) is known as the quotient selection table (QST) in the slow division, and the size in bits of the quotient selection table is usually the width of the radix, or a number of bits of the quotient computed in each iteration, plus a few guard bits. For t...
https://stackoverflow.com/ques... 

Unexpected value from nativeGetEnabledTags: 0

... Goto your Logcat In the Saved Filters part on the left, click on the Edit selected logcat filter (If Saved Filters is not visible then click on Display Saved Filters View in the Logcat) There, in the by Log Message field, enter ^(?!.*(nativeGetEnabledTags)).*$. ...
https://stackoverflow.com/ques... 

Why is lazy evaluation useful?

... @Viclib A selection algorithm for finding the top k elements out of n is O(n + k log k). When you implement quicksort in a lazy language, and only evaluate it far enough to determine the first k elements (stopping evaluation after), i...
https://stackoverflow.com/ques... 

Why isn't SQL ANSI-92 standard better adopted over ANSI-89?

...shion. The "best" way to break is by compilation error. For example if you SELECT * somewhere, the addition of a column could fail to compile. The next best way to fail would be a run time error. It's worse because your users may see it, but it still gives you a nice warning that you've broken somet...
https://stackoverflow.com/ques... 

JSON.Net Self referencing loop detected

...overload: JsonConvert.SerializeObject((from a in db.Events where a.Active select a).ToList(), Formatting.Indented, new JsonSerializerSettings() { ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore } ); If you'd like to make this the default behaviour, add a Glob...
https://stackoverflow.com/ques... 

How can I load an object into a variable name that I specify from an R data file?

... I'm extending the answer from @ricardo to allow selection of specific variable if the .Rdata file contains multiple variables (as my credits are low to edit an answer). It adds some lines to read user input after listing the variables contained in the .Rdata file. loadRDa...
https://stackoverflow.com/ques... 

How do I extract text that lies between parentheses (round brackets)?

... Honestly, this should've been selected as the answer. – Pat Lindley Jan 11 '13 at 18:58 1 ...
https://stackoverflow.com/ques... 

How to open Atom editor from command line in OS X?

...ot able to notice it. What I had to do was to remove the symlinks and then select the Install Shell Commands from the Atom menu. There was no need to restart the console as the atom command worked immediately after selecting the option. I ran sudo rm /usr/local/bin/atom and sudo rm /usr/local/bin/ap...