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Y1961 Y1962 Y1963 Y1964 Y1965 Region 0 82.567307 83.104757 83.183700 83.030338 82.831958 US 1 2.699372 2 ... mean and also retain Region column 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 - How to check if a given file descriptor stored in a variable is still valid?

I have a file descriptor stored in a variable say var. How can I check whether that descriptor is valid at a later ... . Any API's for that ? See Question&Answers more detail:os...

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

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testing - How do I run JUnit tests from inside my java application?

Is it possible to run JUnit tests from inside my java application? Are there test frameworks I can use (such as ... to write my own framework? 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 convert UTF8 string to byte array?

The .charCodeAt function returns with the unicode code of the caracter. But I would like to get the byte array ... push(str.charCodeAt(i)) } See Question&Answers more detail:os...

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

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CSS Selector for nth range?

How can I adapt the CSS selector below: .myTableRow td:nth-child(?){ background-color: #FFFFCC; } so it applies to td ... 5</td> </tr> </table> 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 - Start Activity Using Custom Action

I am looking to start an activity in my app using a custom action. I have found a few answers but ... Any help would be greatly appreciated. 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 use device default theme for app?

I have an app that I want to develop for Android 2.1, 2.2, 2.3.3, 3.0/3.1 and 4.0.x. Between ... API levels. What is the best approach to 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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ios - Swift 3.0 Error: Escaping closures can only capture inout parameters explicitly by value

I'm trying to update my project to Swift 3.0 but I have some difficulties. I'm getting next error: "Escaping ... someone help me to fix that? 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 - Generate JPA 2 Entities from existing Database

How can I generate JPA2 compliant @Entity from existing Databases?. I found this: Question Still its not clear ... independent way to 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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gcc - Is there a Linux equivalent of Windows' "resource files"?

I have a C library, which I build as a shared object for Linux and a DLL for Windows with MinGW32. The ... better, is there a portable solution? See Question&Answers more detail:os...

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

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php - How to prevent the cron job execution, if it is already running

I have one php script, and I am executing this script via cron every 10 minutes on CentOS. The problem is ... Linux commands or similar to 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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python - How do I check (at runtime) if one class is a subclass of another?

Let's say that I have a class Suit and four subclasses of suit: Heart, Spade, Diamond, Club. class Suit: ... class ... ) ... I'm using Python 3. 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 - Why do two identical lists have a different memory footprint?

I created two lists l1 and l2, but each one with a different creation method: import sys l1 = [None] * ... thing, or some other explanation? 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 - Regex to replace everything except numbers and a decimal point

I have a text field that needs to remain only text or decimal. Here is the code that I'm currently using to ... a decimal? Thanks for the help See Question&Answers more detail:os...

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

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Is Java RegEx case-insensitive?

In Java, when doing a replaceAll to look for a regex pattern like: replaceAll("\?i\b(\w+)\b(\s+\1)+\ ... get the job done. Any thoughts? 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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javascript - How to get document height and width without using jquery

How to get document height and width in pure javascript i.e without using jquery. I know about $(document).height ... page's height and width. See Question&Answers more detail:os...

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

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swift3 - How to get time (hour, minute, second) in Swift 3 using NSDate?

How can you determine the hour, minute and second from NSDate class in Swift 3? In Swift 2: let date = ... hour = components.hour Swift 3? See Question&Answers more detail:os...

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

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reactjs - Safe alternative to dangerouslySetInnerHTML

I would like to have a dynamic blog on my site (which uses React). Initially, I was going to store the posts ... ). I'm open to suggestions. See Question&Answers more detail:os...

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

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r - Removing display of row names from data frame

I am creating a dataframe using this code: df <- data.frame(dbGetQuery(con, paste('select * from test'))) Which ... to be present in the table. See Question&Answers more detail:os...

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

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indexing - How do I get MySQL to use an INDEX for view query?

I'm working on a web project with MySql database on Java EE. We needed a view to summarize data from 3 ... predicate down in the view query. 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 appcompat-v7:21.0.0 change material checkbox colors

I've updated my project to use the latest appcompat support library, the new version uses material design checkboxes ... is coming from them. 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 - Command /usr/bin/codesign failed with exit code 1

I have the following error: Command /usr/bin/codesign failed with exit code 1 Here is what I already did for ... . Do you have any suggestions? See Question&Answers more detail:os...

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

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xml drawable - Understanding Android's <layer-list>

I don't understand how the layer-lists work. I read the official documentation with some examples but it does not ... </item> </layer-list> See Question&Answers more detail:os...

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

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r - Combine column to remove NA's

I have some columns in R and for each row there will only ever be a value in one of them, the rest ... . Any help would be appreciated. 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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dns - CNAME SSL certificates

If I go to www.example.com which has an image on the page that links to assets.example.com which is a ... , but assets.example.com does? See Question&Answers more detail:os...

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

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707 views

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css - Safari/Chrome (Webkit) - Cannot hide iframe vertical scrollbar

I have an iframe on www.example.com that points to support.example.com (which is a CNAME to a foreign ... the scrollbar for webkit browsers? See Question&Answers more detail:os...

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

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356 views

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java - AngularJS HTML5 Mode - How do direct links work without server specific changes?

Note: This question could also read: How to support bookmarking of hashbang-less client side mvc frameworks in Java. ... and seems like a hack. See Question&Answers more detail:os...

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

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utf 8 - python requests.get() returns improperly decoded text instead of UTF-8?

When the content-type of the server is 'Content-Type:text/html', requests.get() returns improperly encoded data. ... .get() behave like 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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