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Does anyone have a solution to remove those pesky ._ and .DS_Store files that one gets after moving files from a Mac ... /var/www/html/ down... See Question&Answers more detail:os...

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

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node-websocket-server: possible to have multiple, separate "broadcasts" for a single node.js process?

I'd like to know if it's possible to broadcast on different websocket "connections" running from the same node- ... it to the next level. See Question&Answers more detail:os...

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

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http - Keep-alive header clarification

I was asked to build a site , and one of the co-developer told me That I would need to include the ... sample page will return keep alive header See Question&Answers more detail:os...

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

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How can I change my Cygwin home folder after installation?

I just installed Cygwin, and it looks like the home directory in the bash prompt is on my Z: drive. That's not ... it. How can I change 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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neural network - Pytorch, what are the gradient arguments

I am reading through the documentation of PyTorch and found an example where they write gradients = torch.FloatTensor([ ... very clear on 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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Regular vs Context Free Grammars

I'm studying for my computing languages test, and there's one idea I'm having problems wrapping my head around. ... me put all of this together? See Question&Answers more detail:os...

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

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Simple Log to File example for django 1.3+

The release notes say: Django 1.3 adds framework-level support for Python's logging module. That's nice. I' ... this 'framework-level support'? See Question&Answers more detail:os...

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

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html - What is aria-label and how should I use it?

A few hours ago I read about the aria-label attribute, which: Defines a string value that labels the current element ... how should I use it? See Question&Answers more detail:os...

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

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angularjs - How/when to use ng-click to call a route?

Suppose you are using routes: // bootstrap myApp.config(['$routeProvider', '$locationProvider', function ($routeProvider, ... -click="/about"> See Question&Answers more detail:os...

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

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What are Scala continuations and why use them?

I just finished Programming in Scala, and I've been looking into the changes between Scala 2.7 and 2.8. The ... probably help me to get started. 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 - Getting full JS autocompletion under Sublime Text

I just installed the Sublime Text under Windows Vista, and even following the advice given in this post, namely ... tools, right? 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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Django: show/log ORM sql calls from python shell

Using the excellent Django-Devserver I'm finding all kinds of interesting and unexpected SQL calls in my code. ... to the command line 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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python - How can I use different pipelines for different spiders in a single Scrapy project

I have a scrapy project which contains multiple spiders. Is there any way I can define which pipelines to ... for every spider. 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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When should one use a 'www' subdomain?

When browsing through the internet for the last few years, I'm seeing more and more pages getting rid of the ' ... to use the 'www' subdomain? 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 - Numpy array dimensions

I'm currently trying to learn Numpy and Python. Given the following array: import numpy as np a = np.array([[1 ... that doesn't help very much. See Question&Answers more detail:os...

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

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Remove DEFINER clause from MySQL Dumps

I have a MySQL dump of one of my databases. In it, there are DEFINER clauses which look like, "DEFINER=` ... DEFINER clauses from my dump file? See Question&Answers more detail:os...

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

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181 views

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What is the point of accept() method in Visitor pattern?

There is a lot of talk on decoupling the algorithms from the classes. But, one thing stays aside not ... Walkabout' for the technique." See Question&Answers more detail:os...

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

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603 views

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asynchronous - non-blocking IO vs async IO and implementation in Java

Trying to summarize for myself the difference between these 2 concepts (because I'm really confused when I see people ... there is such thing)? 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 - Django: Converting an entire set of a Model's objects into a single dictionary

If you came here from Google looking for model to dict, skip my question, and just jump down to the ... better reflect my original intent. See Question&Answers more detail:os...

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

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linux - How do I remove a CLOSE_WAIT socket connection

I have written a small program that interacts with a server on a specific port. The program works fine, but ... way to flush these connections? See Question&Answers more detail:os...

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

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343 views

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html - CSS hide scroll bar if not needed

I am trying to figure out how I can hide the overflow-y:scroll; if not needed. What I mean is that I am ... top: 30px; text-align: center; } See Question&Answers more detail:os...

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

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850 views

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makefile - CFLAGS vs CPPFLAGS

I understand that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used by the preprocessor. ... at least). What gives?) See Question&Answers more detail:os...

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

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linux - Make install, but not to default directories?

I want to run 'make install' so I have everything I need, but I'd like it to install the things in their own ... tools in the /usr/bin etc.? See Question&Answers more detail:os...

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

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656 views

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environment variables - How to change value of process.env.PORT in node.js?

I'd like to change the value of process.env.PORT, how can I do this? I'm running Ubuntu 12.04. See Question&Answers more detail:os...

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

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shell - How to run a command in the background and get no output?

I wrote two shell scripts a.sh and b.sh. In a.sh and b.sh I have a infinite for loop and they print ... I want to hide the output in terminal. See Question&Answers more detail:os...

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

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439 views

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Difference between `set`, `setq`, and `setf` in Common Lisp?

What is the difference between "set", "setq", and "setf" in Common Lisp? See Question&Answers more detail:os...

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

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694 views

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amazon ec2 - EC2 Can't resize volume after increasing size

I have followed the steps for resizing an EC2 volume Stopped the instance Took a snapshot of the current volume ... in advance for your 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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565 views

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linux - How do I get cURL to not show the progress bar?

I'm trying to use cURL in a script and get it to not show the progress bar. I've tried the -s, -silent, ... http://google.com > temp.html 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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