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linux - Pipe only STDERR through a filter

Is there any way, in bash, to pipe STDERR through a filter before unifying it with STDOUT? That is, I ... > terminal/file/whatever STDERR ────┘ See Question&Answers more detail:os...

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

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bash - Read tab-separated file line into array

I would like to read a file into a script, line by line. Each line in the file is multiple values separated by ... in support in bash for 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-L CardView Visual Touch Feedback

could anybody explain to me how to implement some of the visual touch feedback that was demonstrated at Google ... .support.v7.widget.CardView> See Question&Answers more detail:os...

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

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ajax - When does the browser execute Javascript? How does the execution cursor move?

I was wondering if there are any available resources that describe how a browser's cursor executes Javascript. I ... it executed before 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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python - Interactive matplotlib plot with two sliders

I used matplotlib to create some plot, which depends on 8 variables. I would like to study how the plot ... example with just two sliders? See Question&Answers more detail:os...

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return SQL table as JSON in python

I'm playing around with a little web app in web.py, and am setting up a url to return a JSON object. What ... a SQL table to JSON using python? See Question&Answers more detail:os...

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javascript - HTML5 Video - Percentage Loaded?

Does anyone know what event or property I need to query in order to get a percentage figure of the amount an ... like the Red Bar on YouTube: 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 4.3: How to connect to multiple Bluetooth Low Energy devices

My Question is: Can Android 4.3 (client) have active connections with multiple BLE devices (servers)? If so, ... be very grateful for advice. See Question&Answers more detail:os...

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java - Spring CrudRepository findByInventoryIds(List<Long> inventoryIdList) - equivalent to IN clause

In Spring CrudRepository, do we have support for "IN clause" for a field? ie something similar to the following? ... id may not be optimal. See Question&Answers more detail:os...

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How to create an alias for a command in Vim?

Vim is my preferred text editor when I program, and thus I always run into a particularly annoying issue. Frequently, ... what I'm looking 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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Angular 4: How to include Bootstrap?

I'm a backend developer and I'm just playing around with Angular4. So I did this installation tutorial: https://www ... -6" and stuff like that? See Question&Answers more detail:os...

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java - Why doesn't the JVM cache JIT compiled code?

The canonical JVM implementation from Sun applies some pretty sophisticated optimization to bytecode to obtain near ... being interpreted? See Question&Answers more detail:os...

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html - CSS: Workaround to backdrop-filter?

backdrop-filter is a recent CSS feature, that is not yet available in modern browsers (at least as of July ... /chromium/issues/detail?id=497522 See Question&Answers more detail:os...

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How can I catch a "catchable fatal error" on PHP type hinting?

I am trying to implement Type Hinting of PHP5 on one of my class, class ClassA { public function method_a (ClassB $b) ... ")? and if yes, how? See Question&Answers more detail:os...

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python - Prevent creating new attributes outside __init__

I want to be able to create a class (in Python) that once initialized with __init__, does not accept new attributes ... 'proper' way to do this? See Question&Answers more detail:os...

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Xcode 8 build crash on iOS 9.2 and below

When I build my app with Xcode 8 GM Seed and run it on an iOS 9.2 below device OR simulator, I get strange ... this a known issue with Xcode 8? 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 I use Drag-and-Drop in Swing to get file path?

I have a JTextField in my Swing application that holds the file path of a file selected to be used. Currently I ... . How can this be done? See Question&Answers more detail:os...

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python - How to make Django slugify work properly with Unicode strings?

What can I do to prevent slugify filter from stripping out non-ASCII alphanumeric characters? (I'm using Django ... slugifying the URLs or not? 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 - Socket accept - "Too many open files"

I am working on a school project where I had to write a multi-threaded server, and now I am comparing it to ... to help. Any way around this? See Question&Answers more detail:os...

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regex - Remove all non-"word characters" from a String in Java, leaving accented characters?

Apparently Java's Regex flavor counts Umlauts and other special characters as non-"word characters" when I use Regex. ... to realize I forgot ?? See Question&Answers more detail:os...

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python - Tensorflow Different ways to Export and Run graph in C++

For importing your trained network to the C++ you need to export your network to be able to do so. After ... related to this issue. 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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java - Spring get current ApplicationContext

I am using Spring MVC for my web application. My beans are written in "spring-servlet.xml" file Now I have a ... myClass"); How to do this?? See Question&Answers more detail:os...

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asp.net mvc 4 - unobtrusive validation not working with dynamic content

I'm having problems trying to get the unobtrusive jquery validation to work with a partial view that is loaded ... .. Can anyone help ? See Question&Answers more detail:os...

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sql - How can I select from list of values in Oracle

I am referring to this stackoverflow answer: How can I select from list of values in SQL Server How could something ... BY LEVEL<=6) A ; See Question&Answers more detail:os...

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java - How to get the current date and time

How do I get the current date and time in Java? I am looking for something that is equivalent to DateTime.Now from C#. See Question&Answers more detail:os...

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java - How to format a number 0..9 to display with 2 digits (it's NOT a date)

I'd like to always show a number under 100 with 2 digits (example: 03, 05, 15...) How can I append ... another String, so I cannot use printf. 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 to set a default entity property value with Hibernate

How do I set a default value in Hibernate field? See Question&Answers more detail:os...

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java - How to get distinct results in hibernate with joins and row-based limiting (paging)?

I'm trying to implement paging using row-based limiting (for example: setFirstResult(5) and setMaxResults(10)) ... use a nested select instead? See Question&Answers more detail:os...

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

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