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syntax - What is the purpose of the '@' symbol in CSS?

I just stumbled across this question and I noticed the user is using some notation I've never seen before: @font-face ... is the purpose of the @ symbol in CSS? 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

Run batch file as a Windows service

In order to run one application, a batch file has to be kicked off (which does things like start Jetty, ... one of the suggestions from a similar question. Question&Answers:os...

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

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214 views

1 answer

c# - Websocket server: onopen function on the web socket is never called

I'm trying to implement a C# web socket server, but its giving me a few troubles. I'm running a webserver(ASP.NET ... the code (hope thats not to much to ask) Question&Answers:os...

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

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477 views

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apache spark sql - Difference between df.repartition and DataFrameWriter partitionBy?

What is the difference between DataFrame repartition() and DataFrameWriter partitionBy() methods? I hope both are used ... column"? Or is there any difference? Question&Answers:os...

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

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907 views

1 answer

python - How to convert a NumPy array to PIL image applying matplotlib colormap

I have a simple problem, but I cannot find a good solution to it. I want to take a NumPy 2D ... like this: colored_PIL_image = magic_function(array, cmap) Question&Answers:os...

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

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680 views

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dart - Flutter - Wrap text on overflow, like insert ellipsis or fade

I'm trying to create a line in which center text has a maximum size, and if the text content is too large, it fits in ... ), ) ), ] ) ); } result: expected: Question&Answers:os...

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

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110 views

1 answer

ios - Make a phone call programmatically

How can I make a phone call programmatically on iPhone? I tried the following code but nothing ... ] openURL:[NSURL URLWithString:phoneNumber]]; Question&Answers:os...

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

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309 views

1 answer

What parameters should I use in a Google Maps URL to go to a lat-lon?

I would like to produce a url for Google Maps that goes to a specific latitude and longitude. Now, I generate a ... in a separate window. It is not embedded.) Question&Answers:os...

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

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77 views

1 answer

How do I import a .sql file in mysql database using PHP?

I'm trying to import a .sql file through PHP code. However, my code shows this error: There was an error ... wrong? The SQL file is in the same directory. 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

How to Execute a Python Script in Notepad++?

I prefer using Notepad++ for developing, How do I execute the files in Python through Notepad++? Question&Answers:os...

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

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74 views

1 answer

Android Swipe on List

Does anyone have a simple example of a ListActivity displaying Textviews in a column and when you swipe left to ... googled and have not seen this answered. Question&Answers:os...

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

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299 views

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c++ - What does the thread_local mean in C++11?

I am confused with the description of thread_local in C++11. My understanding is, each thread has unique copy of ... for which they are defined? Is it correct? Question&Answers:os...

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

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207 views

1 answer

Local image caching solution for Android: Square Picasso, Universal Image Loader, Glide, Fresco?

I am looking for an asynchronous image loading and caching library in Android. I was going to use Picasso, but I ... therefore I don't think Volley is a fit) Question&Answers:os...

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

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133 views

1 answer

Trimming a huge (3.5 GB) csv file to read into R

So I've got a data file (semicolon separated) that has a lot of detail and incomplete rows (leading Access and SQL ... , it just didn't fit the bill this time. Question&Answers:os...

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

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246 views

1 answer

python - Django datetime issues (default=datetime.now())

I have the below db model: from datetime import datetime class TermPayment(models.Model): # I have excluded fields that ... : mysql 5.1.25 django v1.1.1 Question&Answers:os...

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

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122 views

1 answer

Using Git with an existing Xcode project

I am trying to figure out how to use git in my project workflow, and I have an existing Xcode project that I want ... that can get me up to speed would be cool. Question&Answers:os...

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

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514 views

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java - Class JavaLaunchHelper is implemented in both ... libinstrument.dylib. One of the two will be used. Which one is undefined

I upgraded to the latest Java 7u40 on MacOS X and started getting the following message on the console when launching ... message is printed and how to fix it? Question&Answers:os...

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

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721 views

1 answer

uikit - Adding view on StatusBar in iPhone

Is it possible to add a UIView on the staus bar of size (320 x 20)? I don't want to hide the status bar, I only want to add it on top of the status bar. Question&Answers:os...

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

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81 views

1 answer

android - How to delete a whole folder and content?

I want the users of my application to be able to delete the DCIM folder (which is located on the SD card and contains subfolders). Is this possible, if so how? Question&Answers:os...

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

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147 views

1 answer

Design Pattern for Undo Engine

I'm writing a structural modeling tool for a civil enginering application. I have one huge model class ... How would one go about implementing that? Question&Answers:os...

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

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170 views

1 answer

Has anyone ever got a remote JMX JConsole to work?

It seems that I've never got this to work in the past. Currently, I KNOW it doesn't work. But we start up ... doesn't work. Anyone know the hot tip for this? 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

html - Can I create links with 'target="_blank"' in Markdown?

Is there a way to create a link in Markdown that opens in a new window? If not, what syntax do you recommend to ... I use. I think it should be an option. Question&Answers:os...

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

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88 views

1 answer

How do I implement a callback in PHP?

How are callbacks written in PHP? Question&Answers:os...

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

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288 views

1 answer

javascript - A proper wrapper for console.log with correct line number?

I'm now developing an application, and place a global isDebug switch. I would like to wrap console.log for more convenient ... Here is a msg. main.js (line 2)? Question&Answers:os...

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

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265 views

1 answer

objective c - iOS Universal Links are not opening in-app

So I followed this tutorial exactly and use the same values as the ones provided: https://blog.branch.io/how ... perfected this? Is there something I'm missing? Question&Answers:os...

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

0 votes

252 views

1 answer

ios - Is it possible to set UIView border properties from interface builder?

Is it possible to control UIView border properties (color, thickness, etc...) directly from interface builder or I can only do it programmatically? Question&Answers:os...

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

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331 views

1 answer

cocoa touch - How would I tint an image programmatically on iOS?

I would like to tint an image with a color reference. The results should look like the Multiply blending mode in ... alpha:1.0]; // draw image } 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

git difftool, open all diff files immediately, not in serial

The default git diff behavior is to open each diff file in serial (wait for previous file to be closed ... between the diff files and ignore unimportant files. Question&Answers:os...

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

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