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I did some timing tests and also read some articles like this one (last comment), and it looks like in ... into the same processing time? See Question&Answers more detail:os...

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

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ruby on rails - Use YAML with variables

Are variables within YAML files possible? For example: theme: name: default css_path: compiled/themes/$theme.name ... What is the syntax? 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 - How to Use UTF-8 Collation in SQL Server database?

I've migrated a database from mysql to SQL Server (politics), original mysql database using UTF8. Now I read ... enc/dec at application 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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PHP add elements to multidimensional array with array_push

I have a multidimensional array $md_array and I want to add more elements to the sub-arrays recipe_type and cuisine ... I'm a bit confused. 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 - background-size: cover not working on iOS

This is my code: background-color:#fff; background-attachment:fixed; background-repeat:no-repeat; background-size: ... background is too big: 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 know if MySQLnd is the active driver?

Maybe it's an obvious question, but I want to be sure. How can i know if it MySQLnd is the active driver? ... PDO, and PDO driver says mysql... 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# - Best way to take screenshots of tests in Selenium 2?

I need a way to take screenshots of my functional tests. Right now I'm using Selenium 2 with C# bindings. ... (without looking it over). 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 - How to display an IFRAME inside a jQuery UI dialog

The web application that I am upgrading uses jQuery and jQuery UI. I have replaced most instances of window.open ... Will there be any gotchas? 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 - Convert inline SVG to Base64 string

I want to send an inline SVG image to a PHP script to Convert it to PNG with Imagick. For that I have to know ... how to do it for inline SVGs? See Question&Answers more detail:os...

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

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RSA encryption and decryption in Python

I need help using RSA encryption and decryption in Python. I am creating a private/public key pair, encrypting a ... str(decrypted)) f.close() 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 - Hadoop DistributedCache is deprecated - what is the preferred API?

My map tasks need some configuration data, which I would like to distribute via the Distributed Cache. The ... tutorial covering this API? See Question&Answers more detail:os...

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

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scala - Change nullable property of column in spark dataframe

I'm manually creating a dataframe for some testing. The code to create it is: case class input(id:Long, ... dataframe after it's been created? See Question&Answers more detail:os...

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

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Download a file programmatically on Android

I am downloading files from web server programmatically. After download is completed, I checked the file. The ... ); filoutputStream.close(); See Question&Answers more detail:os...

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

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data mining - Finding 2 & 3 word Phrases Using R TM Package

I am trying to find a code that actually works to find the most frequently used two and three word phrases in R ... works? Thank you so 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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c# - Having the output of a console application in Visual Studio instead of the console

When doing a console application in Java with Eclipse, I see the output being put in a text box in the ... of having the console running? 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 - PyCharm and PYTHONPATH

I am new to PyCharm. I have a directory that I use for my PYTHONPATH: c:estmyscripts. In this directory I ... import what is in that directory? 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 - What is a suppressed exception?

A comment (by user soc) on an answer to a question about tail call optimisation mentioned that Java 7 ... this is clearly something different. 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 to read a CSV file from a URL with Python?

when I do curl to a API call link http://example.com/passkey=wedsmdjsjmdd curl 'http://example.com/passkey= ... such file or directory: 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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python - matplotlib.pyplot will not forget previous plots - how can I flush/refresh?

How do you get matplotlib.pyplot to "forget" previous plots I am trying to plot multiple time using matplotlib.pyplot ... no avail. Any ideas? See Question&Answers more detail:os...

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

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error handling - Disabling Strict Standards in PHP 5.4

I'm currently running a site on php 5.4, prior to this I was running my site on 5.3.8. Unfortunately, php ... too much code for me to fix. 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 data out of a Node.js http get request

I'm trying to get my function to return the http get request, however, whatever I do it seems to get lost in the ... .data); console.log(str); } 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 - offsetTop vs. jQuery.offset().top

I have read that offsetLeft and offsetTop do not work properly in all browsers. jQuery.offset() is supposed ... or some other method entirely? 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 to convert signed to unsigned integer in python

Let's say I have this number i = -6884376. How do I refer to it as to an unsigned variable? Something like (unsigned long)i in C. 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 - pandas - filter dataframe by another dataframe by row elements

I have a dataframe df1 which looks like: c k l 0 A 1 a 1 A 2 b 2 B 2 a 3 C 2 a 4 C 2 d and another called df2 ... l 0 A 1 a 2 B 2 a 4 C 2 d 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# - == or .Equals()

Why use one over the other? 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 - Bootstrap 4 - Responsive cards in card-columns

I'm playing with Bootstrap 4 and I can't find a solution to add responsiveness to cards while in a div ... screens. Thanks for your 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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iPhone Development - Setting UIWebView font

I have to show rich text that i pull from server, so i'm using UIWebView. Now the problem is that ... other alternatives to UIWebView. 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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Importing CSV with line breaks in Excel 2007

I'm working on a feature to export search results to a CSV file to be opened in Excel. One of the ... line breaks that are causing problems. See Question&Answers more detail:os...

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

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