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How to find the extension of a file in C#?

In my web application (asp.net,c#) I am uploading video file in a page but I want to upload only flv ... can I restrict when I upload other extension videos? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

1 answer

Location needs to be enabled for Bluetooth Low Energy Scanning on Android 6.0

After upgrading to Android version 6.0 Bluetooth Low Energy (BLE) scanning will only work if Location ... location permissions were still in the manifest. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

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javascript - Google Maps API v3: InfoWindow not sizing correctly

It appears my InfoWindow, when you click on the home icon on my Google Maps v3, is not properly auto-sizing to ... 2015 in version 3.19 of Maps JavaScript API. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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objective c - Implementing a method taking a block to use as callback

I would like to write a method similar to this: +(void)myMethodWithView:(UIView *)exampleView completion:(void (^)( ... If I've constructed this correctly! } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

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java - Is there a way to retrieve the autoincrement ID from a prepared statement

Is there a way to retrieve the auto generated key from a DB query when using a java query with ... PreparedStatements can't return the Auto Generated ID. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

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Is it possible to force row level locking in SQL Server?

I can see how to turn off row level and page level locking in SQL Server, but I cannot find a way to ... use row level locking and NOT use page level locking? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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353 views

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asp.net - IIS URL Rewrite and Web.config

I don't understand anything about IIS, but am trying to solve this problem of redirecting all visitors to domain.com ... rewrites, I am trying to find that out. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Efficiently selecting a set of random elements from a linked list

Say I have a linked list of numbers of length N. N is very large and I don't know in advance the ... will return k completely random numbers from the list? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android Geofence eventually stop getting transition intents

I have an app that started with the Google's geofencing sample code. It works great for a few days, and I get ... } Can anyone see why this would stop working? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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320 views

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c# - Copy file on a network shared drive

I have a network shared drive ("serveurfolder") on which I would like to copy file. I can write on ... access the shared drived with write privilege using C#? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - In Java, how do I call a base class's method from the overriding method in a derived class?

I have two Java classes: B, which extends another class A, as follows : class A { public void myMethod() { /* . ... 't know how to do this basic thing in Java. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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85 views

1 answer

c# - Creating a temporary directory in Windows?

What's the best way to get a temp directory name in Windows? I see that I can use GetTempPath and ... BSD mkdtemp function for creating a temporary directory? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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gradle - Duplicate files copied (Android Studio 0.4.0)

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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153 views

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c# - Check if value exists in dataTable?

I have DataTable with two columns Author and Bookname. I want to check if the given string value Author already ... check it, like for Arrays array.contains? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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416 views

1 answer

How to select an option from drop down using Selenium WebDriver C#?

I was trying for my web test selecting an option. An example can be found here: http://www.tizag.com/phpT/examples/ ... option[2]")).Click(); not working } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

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css - Height 100% on flexbox column child

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

1 answer

c# - How to use Microsoft.Office.Interop.Excel on a machine without installed MS Office?

I'm writing an application which works with excel files. I need a feature to delete a sheet. I have to ... on how to get this feature working successfully? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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67 views

1 answer

java - JSON - Iterate through JSONArray

I have a JSON file with some arrays in it. I want to iterate through the file arrays and get their elements ... in the file have a different number of elements. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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252 views

1 answer

javascript - ReactJs: Prevent multiple times button press

In my React component I have a button meant to send some data over AJAX when clicked. I need to happen ... away all-together the instant it's being clicked? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

1 answer

Android - extracting cookies after login in webview

I have an application that opens a url in a webview, the user must then login to a site through the webview and ... : "+cookie.getName().toString()); } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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183 views

1 answer

jquery - Javascript search inside a JSON object

I had a JSON string / object in my application. {"list": [ {"name":"my Name","id":12,"type":"car ... the json object with string and return the array.... Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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185 views

1 answer

javascript - How to fix div on scroll

Closed. This question needs debugging details. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

1 answer

Android how to apply mask on ImageView?

So I tried the code from here: Creating an ImageView with a mask. I'm using the following images as original ... those cases the width and height are not set. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

join - Count with IF condition in MySQL query

I have two tables, one is for news and the other one is for comments and I want to get the count of the ... news or not. Any help would be highly appreciable. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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223 views

1 answer

Android AutoCompleteTextView with Custom Adapter filtering not working

I've the Custom CustomerAdapter public class CustomerAdapter extends ArrayAdapter<Customer> { private final String ... starting with br are showing up! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

1 answer

css - Search input with an icon Bootstrap

No clue how I can do this, since BS 4 doesn't support glyphicons. Do I set it up as a background or do I apply ... input"> </div>  Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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97 views

1 answer

c# - Creating dynamic queries with entity framework

I would like to know what is the best way of creating dynamic queries with entity framework and linq. I ... do this? Preferably type safe with compile check? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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97 views

1 answer

Using SeekBar to Control Volume in android?

How can I accurately change the volume of my app using a seekbar without controlling the volume by the volume ... the volume. Can Anyone please help me? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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