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c# - Sharing sessions across applications using the ASP.NET Session State Service

I am trying to share sessions between two web applications, both hosted on the same server. One is a .net 2.0 web ... null. Can what I am trying to do be done? Question&Answers:os...

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http - How to use Python to login to a webpage and retrieve cookies for later usage?

I want to download and parse webpage using python, but to access it I need a couple of cookies set. Therefore ... possible I only want to use builtin modules. Question&Answers:os...

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regex - Split string on whitespace in Python

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mysql - How do I see all foreign keys to a table or column?

In MySQL, how do I get a list of all foreign key constraints pointing to a particular table? a particular ... thing as this Oracle question, but for MySQL. Question&Answers:os...

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

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c# - What is the difference between null and System.DBNull.Value?

Is there any difference between null and System.DBNull.Value? If yes, what is it? I noticed this ... the difference between null and System.DBNull.Value? Question&Answers:os...

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javafx 8 - Java: How do I start a standalone application from the current one when both are in the same package?

This seems like it should be easy, so I must be missing something obvious: I have 4 standalone applications ... all 4 of them being standalone applications? Question&Answers:os...

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c++ - Why isn't it legal to convert "pointer to pointer to non-const" to a "pointer to pointer to const"

It is legal to convert a pointer-to-non-const to a pointer-to-const. Then why isn't it legal to convert a pointer to ... char ** const char **ps = a; // error! Question&Answers:os...

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mysql - What column type/length should I use for storing a Bcrypt hashed password in a Database?

I want to store a hashed password (using BCrypt) in a database. What would be a good type for this, ... not mentioning the implementation. I am using jBCrypt. Question&Answers:os...

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html - How to add a new line in textarea element?

I want to add a newline in a textarea. I tried with and <br/> tag but are not working. You can see ... statement one.<br/> This is my statement2</textarea> Question&Answers:os...

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Reading output of a command into an array in Bash

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Asynchronous for cycle in JavaScript

I need a loop that waits for an async call before continuing. Something like: for ( /* ... */ ) { someFunction( ... How could I do this? Do you have any ideas? Question&Answers:os...

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http - What's the difference between Cache-Control: max-age=0 and no-cache?

The header Cache-Control: max-age=0 implies that the content is considered stale (and must be re-fetched) ... the same thing as Cache-Control: no-cache. Question&Answers:os...

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What is the meaning of "$" sign in JavaScript

In the following JavaScript code there is a dollar ($) sign. What does it mean? $(window).bind('load', function() { $('img.protect').protectImage(); }); Question&Answers:os...

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

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php - How do I convert an object to an array?

<?php print_r($response->response->docs); ?> Outputs the following: Array ( [0] => Object ( [_fields:private] => ... [name]=>hussain )... ) Is this possible? Question&Answers:os...

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Running Command Line in Java

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How can I get a list of all the implementations of an interface programmatically in Java?

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python - TypeError: 'int' object is not callable

Given the following integers and calculation from __future__ import division a = 23 b = 45 c = 16 round((a/b)*0. ... . How can I round the output to an integer? Question&Answers:os...

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javascript - How can I count text lines inside an DOM element? Can I?

I'm wondering if there's a way to count lines inside a div for example. Say we have a div like so: < ... words, are automatic breaks represented in DOM at all? Question&Answers:os...

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

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c++ - Rvalue Reference is Treated as an Lvalue?

I posted this answer: https://stackoverflow.com/a/28459180/2642059 Which contains the following code: void foo(string&& bar){ ... "&&" instead of just an "&"? Question&Answers:os...

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iphone - How do I detect that an iOS app is running on a jailbroken phone?

If I want my app to behave differently on a jailbroken iPhone, how would I go about determining this? Question&Answers:os...

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python - Why do I get a SyntaxError for a Unicode escape in my file path?

The folder I want to get to is called python and is on my desktop. I get the following error when I ... decode bytes in position 2-3: truncated UXXXXXXXX escape Question&Answers:os...

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Cluster analysis in R: determine the optimal number of clusters

Being a newbie in R, I'm not very sure how to choose the best number of clusters to do a k-means analysis. After plotting a ... (n) d <- data.frame( x, y, z ) Question&Answers:os...

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php - How to store repeating dates keeping in mind Daylight Savings Time

I'm storing events in my database. I have 'start' and 'end' date times, 'tickets_start' and 'tickets_end' (for when ... I'm not thinking of. (cakephp 2.4.x) Question&Answers:os...

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ios - Remove HTML Tags from an NSString on the iPhone

There are a couple of different ways to remove HTML tags from an NSString in Cocoa. One way is to render the string into an ... CDATA [ >>>>>>>>>>>> ]]> Question&Answers:os...

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javascript - What is "x && foo()"?

I saw somewhere else said, x && foo(); 　is equal to if(x){ foo(); } I tested it and they really did the same thing. But why? What exactly is x && foo()? Question&Answers:os...

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python - How to sort a list of strings?

What is the best way of creating an alphabetically sorted list in Python? Question&Answers:os...

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javascript - How to convert JSON to CSV format and store in a variable

I have a link that opens up JSON data in the browser, but unfortunately I have no clue how to read it. Is ... doesn't seem to work. Can someone please help? Question&Answers:os...

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c# - Integer summing blues, short += short problem

Program in C#: short a, b; a = 10; b = 10; a = a + b; // Error : Cannot implicitly convert type ... // But this is running successfully, why? Console.Write(a); Question&Answers:os...

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

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