大约有 45,000 项符合查询结果(耗时:0.0597秒) [XML]

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Express: How to pass app-instance to routes from a different file?

I want to split up my routes into different files, where one file contains all routes and the other one the corresponding actions. I currently have a solution to achieve this, however I need to make the app-instance global to be able to access it in the actions. My current setup looks like this: ...
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Null check in an enhanced for loop

...st won't fail. If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this: for( Object o : safe( list ) ) { // do whatever } And of course safe would be: public static List safe( List other ) { return other == null ...
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Best way to structure a tkinter application? [closed]

...vocate an object oriented approach. This is the template that I start out with: # Use Tkinter for python 2, tkinter for python 3 import tkinter as tk class MainApplication(tk.Frame): def __init__(self, parent, *args, **kwargs): tk.Frame.__init__(self, parent, *args, **kwargs) s...
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How can prepared statements protect from SQL injection attacks?

...in the mixing of the code and the data. In fact, our SQL query is a legitimate program. And we are creating such a program dynamically, adding some data on the fly. Thus, the data may interfere with the program code and even alter it, as every SQL injection example shows it (all examples in PHP...
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Why is there no SortedList in Java?

... List iterators guarantee first and foremost that you get the list's elements in the internal order of the list (aka. insertion order). More specifically it is in the order you've inserted the elements or on how you've manipulated ...
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What's the strangest corner case you've seen in C# or .NET? [closed]

...d would always like to hear more. The page only really covers C# language bits and bobs, but I also find core .NET things interesting too. For example, here's one which isn't on the page, but which I find incredible: ...
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Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0

I opened an existing iOS project with Xcode6 beta6, and Xcode lists the following warning for both Storyboard and Xib files: ...
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Unique ways to use the Null Coalescing operator [closed]

... Well, first of all, it's much easier to chain than the standard ternary: string anybody = parm1 ?? localDefault ?? globalDefault; vs. string anyboby = (parm1 != null) ? parm1 : ((localDefault != null) ? localDefault ...
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How do you check if a certain index exists in a table?

... You can do it using a straight forward select like this: SELECT * FROM sys.indexes WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName') ...
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Why is Android Studio reporting “URI is not registered”? [closed]

...really like Resharper and noticed that the IDE had some of their functionality built into it. Having now created a default new project, I added a new layout file and wanted to change the existing default 'hello world' example layout, and I got an "URI is not registered" error on the following lines:...