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MVC Passing ViewBag value from another controller

由 匿名 (未验证) 提交于 2019-12-03 02:50:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've set a value into Viewbag.message in my default HomeController and successfully display it in my Shared/_Layout.cshtml . After that I added another TestController and in the TestController view, Viewbag.message seems to be null. May I know what's wrong with it. Correct me if I'm wrong,from my understanding Viewbag.Message should be available from all over the places? 回答1: ViewBag is a dynamic property that takes advantage of the new dynamic features in C# 4.0. Basically it is a wrapper around the ViewData and also used to pass data from

How to reference another schema in my Mongoose schema?

由 匿名 (未验证) 提交于 2019-12-03 02:49:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm building a Mongoose schema for a dating app. I want each person document to contain a reference to all the events they've been to, where events is another schema with its own models in the system. How can I describe this in the schema? var personSchema = mongoose.Schema({ firstname: String, lastname: String, email: String, gender: {type: String, enum: ["Male", "Female"]} dob: Date, city: String, interests: [interestsSchema], eventsAttended: ??? }); 回答1: You can describe it by using Population Population is the process of automatically

Copy contents of one textbox to another

由 匿名 (未验证) 提交于 2019-12-03 02:48:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Suppose an entry is made in a textbox. Is it possible to retain the same entered text in a second text box? If so, how is this done? <html> <label>First</label><input type="text" name="n1" id="n1"> <label>Second</label><input type="text" name="n1" id="n1"/> </html> Thanks. 回答1: <script> function sync() { var n1 = document.getElementById('n1'); var n2 = document.getElementById('n2'); n2.value = n1.value; } </script> <input type="text" name="n1" id="n1" onkeyup="sync()"> <input type="text" name="n2" id="n2"/> 回答2: More efficiently it can be

How to filter a list based on another list using Linq?

由 匿名 (未验证) 提交于 2019-12-03 02:47:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have these two lists, one a list of Venue Objects, one a list of BlockedVenues objects. I need to filter each item in the listOfAllVenues so that it doesn't contain any venue that is blocked IQueryable<Venue> listOfAllVenues = MyDB.Venues; IQueryable<BlockedVenue> listOfBlockedVenues = Mydb.BlockedVenue; //I need something to accomplish this please // var listOfAllVenues_WithoutBlocked_Venues = ( Select All venues from listOfAllVenues where listOfAllVenues.ID is NOT in listOfBlockedVenues.VenueID) Please note that yes both list types are

Execute another jar in a java program

由 匿名 (未验证) 提交于 2019-12-03 02:47:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I had written several simple java applications named as A.jar, B.jar. Now i want to write a GUI java program so that user can press button A to execute A.jar and button B to execute B.jar .Also i want to output the runtime process detail in my GUI program. Any suggestion? 回答1: If I understand correctly it appears you want to run the jars in a separate process from inside your java GUI application. To do this you can use: // Run a java app in a separate system process Process proc = Runtime . getRuntime (). exec ( "java -jar A.jar"

Position DIV relative to another DIV?

由 匿名 (未验证) 提交于 2019-12-03 02:45:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is it possible to position a DIV relative to another DIV? I imagine this can be done by first placing it inside of the reference DIV, and then using position: relative . However, I can't figure out how to do this without affecting the contents of the reference DIV. How can I do this properly? See: http://jsfiddle.net/CDmGQ Thanks! =) 回答1: First set position of the parent DIV to relative (specifying the offset, i.e. left , top etc. is not necessary) and then apply position: absolute to the child DIV with the offset you want. It's simple and

ipynb import another ipynb file

由 匿名 (未验证) 提交于 2019-12-03 02:44:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Interactive Python (ipython) is simply amazing, especially as you are piecing things together on the fly... and does it in such a way that it is easy to go back. However, what seems to be interesting is the use-case of having multiple ipython notebooks (ipynb files). It apparently seems like a notebook is NOT supposed to have a relationship with other notebooks, which makes sense, except that I would love to import other ipynb files. The only workaround I see is converting my *.ipynb files into *.py files, which then can be imported into my

Yet another KeyListener/KeyBinding Issue

由 匿名 (未验证) 提交于 2019-12-03 02:43:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 选择语言 中文(简体) 日语 英语 中文(繁体) 由 翻译 强力驱动 问题: Ugh, I'm sorry MadProgrammer but I just couldn't get the KeyBinding to work the way I wanted it to :(. But I'll keep looking at some more tutorials till I figure it out. For now though I've stuck to a KeyListener and it works. But now I'm having an issue where p.move(); doesn't actually move the player. All other code I've put in works fine except p.move(); . I probably shouldn't be asking this many questions, so if you want me to stop just say so, but the whole SO community is really nice. Again, I'll post

Monkey patching a class in another module in Python

由 匿名 (未验证) 提交于 2019-12-03 02:42:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm working with a module written by someone else. I'd like to monkey patch the __init__ method of a class defined in the module. The examples I have found showing how to do this have all assumed I'd be calling the class myself (e.g. Monkey-patch Python class ). However, this is not the case. In my case the class is initalised within a function in another module. See the (greatly simplified) example below: thirdpartymodule_a.py class SomeClass(object): def __init__(self): self.a = 42 def show(self): print self.a thirdpartymodule_b.py import

How can i add another button intent beside previous one?

由 匿名 (未验证) 提交于 2019-12-03 02:39:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Here is my code: it contains a button named as button1A and when I click on it, It opens a list named as list1 . How can I put a code for my another button named as button2A which open a list as List2. import android . os . Bundle ; import android . app . Activity ; import android . content . Intent ; import android . view . View ; import android . view . View . OnClickListener ; import android . widget . Button ; public class Tab_1st extends Activity { Button button1A ; @Override public void onCreate ( Bundle savedInstanceState )
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