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optional parameters in SQL Server stored proc?

I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is ... is available here. Thanks! See Question&Answers more detail:os...

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

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.net - How to create a sequence of integers in C#?

F# has sequences that allows to create sequences: seq { 0 .. 10 } Create sequence of numbers from 0 to 10. Is there something similar in C#? See Question&Answers more detail:os...

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

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Redirect using AngularJS

I'm trying to redirect to another route using: $location.path("/route"); But for some reason it is not ... any idea why this is happening? See Question&Answers more detail:os...

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

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html - How can I detect Internet Explorer (IE) and Microsoft Edge using JavaScript?

I've looked around a lot, and I understand that there's a lot of ways to detect internet explorer. My ... to detect the Microsoft Edge browser? See Question&Answers more detail:os...

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

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c preprocessor - What's the difference between the WIN32 and _WIN32 defines in C++

I know that WIN32 denotes win32 compilation but what is _WIN32 used for? See Question&Answers more detail:os...

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

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javascript - How to define the css :hover state in a jQuery selector?

I need to define a div's background color on :hover with jQuery, but the following doesn't seem to work: $ ... 't work. Any suggestions? Thanks! See Question&Answers more detail:os...

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

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java - How can Eclipse create a class with unresolved compilation problems?

When I try to compile this class with javac, I get a compilation error and Test.class is not created. ... about complilation problems in .class? See Question&Answers more detail:os...

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

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c# - datetime to string with time zone

I have a DateTime stored in universal time (UTC) of value 2010-01-01 01:01:01. I would like to display ... for timezone doesn't work in ToString See Question&Answers more detail:os...

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

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Android room persistent library - TypeConverter error of error: Cannot figure out how to save field to database"

Im not able to create a typeConverter in room due to an error. I seem to be following everything per the ... adding a type converter for it. See Question&Answers more detail:os...

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

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html - mailto using javascript

I want to open a new outlook mail template with the 'To address' whenever a user clicks an image. I have ... && !window.closed) window.close() See Question&Answers more detail:os...

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

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python - RuntimeError: working outside of application context

app.py from flask import Flask, render_template, request,jsonify,json,g import mysql.connector app = Flask(__name__ ... calling 'input_info()' See Question&Answers more detail:os...

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

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ios - How to dismiss UIAlertController when tap outside the UIAlertController?

How to dismiss UIAlertController when tap outside the UIAlertController? I can add a UIAlertAction of style ... that? Thank you. See Question&Answers more detail:os...

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

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linux - What's wrong with my lookahead regex in GNU sed?

This is what I'm doing (simplified example): gsed -i -E 's/^(?!foo)(.*)$/bar1/' file.txt ... Invalid preceding regular expression What's wrong? See Question&Answers more detail:os...

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

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How to check if exists any duplicate in Java 8 Streams?

In java 8, what's the best way to check if a List contains any duplicate? My idea was something like: list.size( ... count() Is it the best way? See Question&Answers more detail:os...

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

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c++ - std::unique_ptr for C functions that need free

Think to a C function that return something that must be freed, for example the POSIX's strdup(). I want ... function open that returns an int? See Question&Answers more detail:os...

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

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c# - Capturing count from an SQL query

What is the simplest way in C# (.cs file) to get the count from the SQL command SELECT COUNT(*) FROM table_name into an int variable? See Question&Answers more detail:os...

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

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python - How to stop BaseHTTPServer.serve_forever() in a BaseHTTPRequestHandler subclass?

I am running my HTTPServer in a separate thread (using the threading module which has no way to stop ... has very little documentation :( See Question&Answers more detail:os...

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

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c# - Sending a value from server to client with sockets

I am using the following projects in order to create an asynchronous communication between server and client sockets. ... with the left click? See Question&Answers more detail:os...

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

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iphone - iOS: Programmatically add custom font during runtime

I would like to allow my application users to use their own fonts in the app, by copying them inside ... override this during runtime? Thanks. See Question&Answers more detail:os...

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

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tensorflow - Holding variables constant during optimizer

I have a TensorFlow computational graph for a loss tensor L that depends on 2 tf.Variables, A and B. I'd like to ... A fixed. How do I do this? See Question&Answers more detail:os...

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

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android - How to pass ArrayList<HashMap<String, String>>from one activity to another

How i can pass Array List from one Activity to another my array list is shown as follows ArrayList<HashMap<String, String>> See Question&Answers more detail:os...

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

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iphone privateapi - Is there a away to detect the event when iOS device goes to sleep mode (when the screen gets blackened)?

I wanted to detect two events : Device gets locked/unlocked. Device goes to sleep and the screen blackens. First one I ... any way to do it ? See Question&Answers more detail:os...

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

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android - How to disable the Recent Tasks/Apps button

I'm building a child play application for Android. I need to disable all keys when it is in use. I have set the ... can't seem to figure it out. See Question&Answers more detail:os...

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

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algorithm - Adjacency List and Adjacency Matrix in Python

Hello I understand the concepts of adjacency list and matrix but I am confused as to how to implement them in ... much appreciated, Thank you! See Question&Answers more detail:os...

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

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OpenCv with Android studio 1.3+ using new gradle - undefined reference

I'm having trouble using native OpenCv 2.4.11 (3.0.0 is also ok) with Android Studio 1.3+, with new ... code=1), thread 3077 (ed.nativetestv4) See Question&Answers more detail:os...

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

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c# - Using Simple Injector with Unit Of Work & Repository Pattern in Windows Form

I'm trying to implement IoC in my windows form application. My choice fell on Simple Injector, because it ... implement the patterns correctly? See Question&Answers more detail:os...

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

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c++ - friend class with limited access

I want to make a class A friend class of class B. I want to do this as these interact very much and A ... access at all in this case. Thanks See Question&Answers more detail:os...

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

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ImageMagick - "CORE_RL_magick_.dll not found" or how to install RMagick on windows with ruby 1.9.2

I'm working on a Rail3 app. After struggling for several hours and finally installing the rmagick 2.13.1 gem ... so on... Thanks everyone. See Question&Answers more detail:os...

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

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