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sql - Is there any boolean type in Oracle databases?

Is there any Boolean type in Oracle databases, similar to the BIT datatype in Ms SQL Server? Question&Answers:os...

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

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c - Get a substring of a char*

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

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gitignore - Whitelisting and subdirectories in Git

I have created a white-list for text files only. * !*.txt Now, I have an untracked text file in a sub-directory - ... however. Why is that, and how do I fix it? Question&Answers:os...

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

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javascript - Map and filter an array at the same time

I have an array of objects that I want to iterate over to produce a new filtered array. But also, I need to ... I'm open to use any library such as lodash. Question&Answers:os...

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

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javascript - "Mixed content blocked" when running an HTTP AJAX operation in an HTTPS page

I've a form which I'm submitting (through GET as it is required this way) to a crm (ViciDial). I can ... redirects my happy user to a fancy thank you page. Question&Answers:os...

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

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html - How do I make an editable DIV look like a text field?

I've got a DIV which has contentEditable=true so the user can edit it. The problem is that it doesn't look ... it appears to the user like a text input field? Question&Answers:os...

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

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sql server - Getting only Month and Year from SQL DATE

I need to access only Month.Year from Date field in SQL Server. Question&Answers:os...

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

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javascript - How do you log all events fired by an element in jQuery?

I'd like to see all the events fired by an input field as a user interacts with it. This includes stuff like: Clicking ... /jQuery, and if so, how do I do it? Question&Answers:os...

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

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android - How to know when my app has been killed?

I need to know when the user kills my app (Force stop). I've been reading the android lifecycle, which has the ... any way to know when the user kills the app? Question&Answers:os...

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

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asp.net mvc - Handling session timeout in ajax calls

I'm making an ajax call using jquery to an asp.net mvc controller action: [AcceptVerbs(HttpVerbs.Post)] public ... t work. How do I get this working? Question&Answers:os...

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

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math - Implement page curl on android?

I was surfing the net looking for a nice effect for turning pages on Android and there just doesn't seem to be ... later apply shadows to to gie it more depth? Question&Answers:os...

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

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java - Why does ConcurrentHashMap prevent null keys and values?

The JavaDoc of ConcurrentHashMap says this: Like Hashtable but unlike HashMap, this class does not ... times into trouble because of NullPointerExceptions. Question&Answers:os...

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

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427 views

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css - How to overwrite styling in Twitter Bootstrap

How can I overwrite the stylings in Twitter Bootstrap? For instance, I am currently using a .sidebar class ... SASS but am relatively new to web development. Question&Answers:os...

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

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php - Header and footer in CodeIgniter

I really don't enjoy writing in every controller: $this->load->view('templates/header'); $this->load->view('body ... it's not a problem in your opinion? Thanks. Question&Answers:os...

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

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android - How to interface with the BadgeProvider on Samsung phones to add a count to the app icon?

Samsung's TWLauncher allows apps to create badge counts on app icons. This is completely undocumented! There is ... currently allows badging. Android does not. Question&Answers:os...

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

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html - Can I run javascript before the whole page is loaded?

I want to run a bit of javascript before the whole page has loaded. Is this possible? Or does the code start to execute on </html>? Question&Answers:os...

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

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ASP.NET MVC Model vs ViewModel

OK, I have been hearing discussion about "ViewModels" in regards to MS's ASP.NET MVC. Now, that ... like that? Some clarification would be appreciated. Question&Answers:os...

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

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306 views

1 answer

Maven and adding JARs to system scope

I have a JAR in my Android project and I want it to be added to final APK. Okay, here I go: <dependency> <groupId ... APK there are no JARs. How do I fix that? Question&Answers:os...

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

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216 views

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.net - Is HttpClient safe to use concurrently?

In all the examples I can find of usages of HttpClient, it is used for one off calls. But what if ... to the question of concurrency handling in HttpClient. Question&Answers:os...

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

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177 views

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sql - Implement paging (skip / take) functionality with this query

I have been trying to understand a little bit about how to implement custom paging in SQL, for instance reading ... no luck. Any ideas how to implement it? Question&Answers:os...

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

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253 views

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assembly - What is the purpose of XORing a register with itself?

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

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161 views

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Git under windows: MSYS or Cygwin?

I plan to migrate my projects over to git, and I'm currently wondering which is the best and / or most ... tools. Given that, what option would you suggest? Question&Answers:os...

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

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performance - Find out how much memory is being used by an object in Python

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

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1.1k views

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directory - PHP - Move a file into a different folder on the server

I need to allow users on my website to delete their images off the server after they have uploaded them if ... image1.jpg moves to/becomes user/del/image1.jpg Question&Answers:os...

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

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149 views

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Understanding the groovy syntax in a gradle task definition

I am new to Gradle and Groovy and trying to understand what is happening at the level of groovy when a ... is generated after the compiler plugin has run? Question&Answers:os...

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

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468 views

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webforms - How can I implement Ninject or DI on asp.net Web Forms?

There are plenty of examples for having it worked on an MVC application. How is it done on Web Forms? Question&Answers:os...

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

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178 views

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objective c - How to Write OS X Finder plugin

I'm looking for a guide or sample code for writing Mac OS X Finder plugins? It would like to know how to ... but was hoping to find an easier sample to digest. Question&Answers:os...

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

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177 views

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python - Pandas DataFrame stored list as string: How to convert back to list

I have an n-by-m Pandas DataFrame df defined as follows. (I know this is not the best way to do it. ... itself, converted the list from a string to a literal. Question&Answers:os...

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

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