converter

Tool to convert SQL syntax to ActiveRecord query

…衆ロ難τιáo~ 提交于 2019-12-21 08:18:12
问题 There are many questions to help converting specific SQL query to ActiveRecord query. Are there some assistance/guidance [online] tools to make the conversion automatically? 回答1: here is the tool you are looking: http://www.scuttle.io/ 来源: https://stackoverflow.com/questions/23125261/tool-to-convert-sql-syntax-to-activerecord-query

Web page Capture and save to image using phantomjs lib

夙愿已清 提交于 2019-12-21 06:41:08
问题 i was searching google to get any js lib which can capture the image of any website or url. i came to know that phantomjs library can do it. here i got a small code which capture and convert the github home page to png image if anyone familiar with phantomjs then please tell me what is the meaning of this line var page = require('webpage').create(); here i can give any name instead of webpage ? if i need to capture the portion of any webpage then how can i do it with the help of this library.

Web page Capture and save to image using phantomjs lib

有些话、适合烂在心里 提交于 2019-12-21 06:40:09
问题 i was searching google to get any js lib which can capture the image of any website or url. i came to know that phantomjs library can do it. here i got a small code which capture and convert the github home page to png image if anyone familiar with phantomjs then please tell me what is the meaning of this line var page = require('webpage').create(); here i can give any name instead of webpage ? if i need to capture the portion of any webpage then how can i do it with the help of this library.

CSS Fonts: Howto convert multiple TTF files into one file?

◇◆丶佛笑我妖孽 提交于 2019-12-21 06:36:08
问题 I received multiple TTF font files. Need to convert into 1 file which I can use in CSS. How can I do this? Thanks 回答1: You can't do it, each font needs it's own separate file. You can use a service to convert a ttf to eot, and svg files and then use some code like this in your style.css (assuming that's the name of your stylesheet) file: @font-face { font-family: 'FuturaM'; src: url('fonts/FuturaMedium.eot'); src: url('fonts/FuturaMedium.eot?#iefix') format('embedded-opentype'), url('fonts

JSF 2.0 - selectOneMenu defaults to 0 when empty

风格不统一 提交于 2019-12-21 05:56:29
问题 For my project i want to implement a combobox with h:selectOneMenu . I read many posts about how to handle the selectOneMenu properly and how to implement a custom converter. The combobox shall store the ID ( Long ) from a different DB Table (named fk_ID) for which a constrain is in place. So far everything seems to function as planned. Now to my problem: The column fk_ID is optional, so the first option in the combobox is a f:selectItem with no value labeled "choose ...". When I save the

extract audio to mp3 from mp4 using c++ (not executing ffmpeg with args)

核能气质少年 提交于 2019-12-21 05:39:07
问题 how can i programmatically convert ( extract the audio channel ) from mp4 video file format ? i just can't find any thing in the web , for using c++ . i what to dynamically link external engine that i can via c++ take mp4 file and convert it to mp3 file. and not passing command line args to LAME or MPLAYER or FFMPEG ? 回答1: You can try using ffmpeg to do it in c or c++. Here is the normal flow of steps. Init ffmpeg using av_register_all(); Open input file using avformat_open_input( &informat,

WPF Databinding and cascading Converters?

牧云@^-^@ 提交于 2019-12-21 03:53:10
问题 i wonder if it is possible to cascade converters when using wpf databinding. e.g. something like <SomeControl Visibility="{Binding Path=SomeProperty, Converter={StaticResource firstConverter}, Converter={StaticResource secondConverter}}"/> is it possible at all or do i have to create a custom converter that combines the functionality of converter A and B? 回答1: You could try to use a MultiBinding , and bind twice to the same source, but with different converts on the single bindings. Something

WPF Databinding and cascading Converters?

↘锁芯ラ 提交于 2019-12-21 03:53:08
问题 i wonder if it is possible to cascade converters when using wpf databinding. e.g. something like <SomeControl Visibility="{Binding Path=SomeProperty, Converter={StaticResource firstConverter}, Converter={StaticResource secondConverter}}"/> is it possible at all or do i have to create a custom converter that combines the functionality of converter A and B? 回答1: You could try to use a MultiBinding , and bind twice to the same source, but with different converts on the single bindings. Something

Converting float values to a grayscale hex color value

偶尔善良 提交于 2019-12-21 02:47:22
问题 this question is quick and simple. I've a 2d array of floats ( 0,0000000 to 1,0000000 ) and i want to convert those numbers to a color value ( #000000 to #ffffff ). note that i'm talking about just grayscale values. 0 = black | ... | 0.5 = middle gray | ... | 1 = white does anyone know how to do that with javascript ? thx. 回答1: Grayscale values in hex are those which got symmetrical distribution or Red, Green and Blue, e.g.: #111111, #5B5B5B, #A2A2A2. To convert decimal number to hexadecial

Converting to mm/dd/yyyy format

[亡魂溺海] 提交于 2019-12-21 02:43:21
问题 I have a table called SF_Data and there is a column called IN_Date, ID the data looks like: ID IN_Date 1 9/8/2010 2 26/04/2011 3 20/09/2010 The datatatype of IN_Date is varchar(50). I am trying to convert the IN_Date to mm/dd/yyyy format. I tried doing this: Select convert(varchar,IN_Date,103) From dbo.SF_Data But still the format doesn't change. Can anyone tell me where I am going wrong 回答1: You need a convert to fix the data (to the correct datatype) before formatting... Select convert