convert

Convert Date/Time for given Timezone - java

匿名 (未验证) 提交于 2019-12-03 02:08:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I want to convert this GMT time stamp to GMT+13: 2011-10-06 03:35:05 I have tried about 100 different combinations of DateFormat, TimeZone, Date, GregorianCalendar etc. to try to do this VERY basic task. This code does what I want for the CURRENT TIME: Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone("GMT")); DateFormat formatter = new SimpleDateFormat("dd MMM yyyy HH:mm:ss z"); formatter.setTimeZone(TimeZone.getTimeZone("GMT+13")); String newZealandTime = formatter.format(calendar.getTime()); But what I want is to set the time

Convert String to int array in java

匿名 (未验证) 提交于 2019-12-03 02:08:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have one string String arr= "[1,2]"; ie "[1,2]" is like a single string How do convert this arr to int array in java 回答1: String arr = "[1,2]"; String[] items = arr.replaceAll("\\[", "").replaceAll("\\]", "").replaceAll("\\s", "").split(","); int[] results = new int[items.length]; for (int i = 0; i 回答2: Using Java 8's stream library, we can make this a one-liner (albeit a long line): String str = "[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]"; int[] arr = Arrays.stream(str.substring(1, str.length()-1).split(",")) .map(String::trim).mapToInt(Integer:

How do you convert numbers between different bases in JavaScript?

匿名 (未验证) 提交于 2019-12-03 02:08:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I would like to convert numbers between different bases, such as hexadecimal and decimal. Example: How do you convert hexadecimal 8F to decimal? 回答1: The API To convert to a number from a hex string: parseInt ( string , radix ) string: Required. The string to be parsed radix: Optional. A number (from 2 to 36) that represents the numeral system to be used To convert from a number to a hex string: NumberObject . toString ( radix ) radix: Optional. Specifies the base radix you would like the number displayed as. Example radix values:

Convert XML to JSON (and back) using Javascript

匿名 (未验证) 提交于 2019-12-03 02:08:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: How would you convert from XML to JSON and then back to XML? The following tools work quite well, but aren't completely consistent: xml2json Has anyone encountered this situation before? 回答1: I think this is the best one: Converting between XML and JSON Be sure to read the accompanying article on the xml.com O'Reilly site , which goes into details of the problems with these conversions, which I think you will find enlightening. The fact that O'Reilly is hosting the article should indicate that Stefan's solution has merit. 回答2: https://github

Cannot convert '0000-00-00 00:00:00' to TIMESTAMP

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: the field definition /** Date. */ @Column ( columnDefinition = "datetime" ) private Date date ; setter public void setDate ( final Date date ) { DateFormat dfmt = new SimpleDateFormat ( "yyyy-MM-dd HH:mm:ss" ); try { this . date = dfmt . parse ( dfmt . format ( date )); } catch ( ParseException e ) { // TODO Auto-generated catch block e . printStackTrace (); } } Does anyone have idea how to convert "zero date" into proper value ? Because i have error: Cannot convert value '0000-00-00 00:00:00' from column 13 to TIMESTAMP And even

How to convert qmake to cmake?

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have a .pro file on my project, but now I want to port it to a CMakeLists.txt file, how can I do this ? QT += core QT -= gui CONFIG += c ++ 11 TARGET = test CONFIG += console CONFIG -= app_bundle TEMPLATE = app QT += network SOURCES += main . cpp \ test_interface . cpp \ motomanlibrary . cpp \ processing . cpp SOURCES += main . cpp \ test_interface . h \ motomanlibrary . h \ processing . h 回答1: QMake: The required libraries. QT += core QT -= gui QT += network CMake: only add is necessary. find_package ( Qt5Core REQUIRED ) find

convert keypoints to mat or save them to text file opencv

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have extracted SIFT features in (opencv open source) and they are extracted as keypoints. Now, I would like to convert them to Matrix (With their x,y coordinates) or save them in a text file... Here, you can see a sample code for extracting the keypoints and now I would like to know how convert them to MAT or save them in txt, xml or yaml... cv::SiftFeatureDetector detector; std::vector keypoints; detector.detect(input, keypoints); 回答1: Convert to cv::Mat is as follows. std::vector keypoints; std::vector points; std::vector ::iterator it;

Convert longitude/latitude to x/y on iPhone

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: i am showing a image in an UIImageView and i'd like to convert coordinates to x/y values so i can show citys on this image. This is what i tried based on my research: CGFloat height = mapView . frame . size . height ; CGFloat width = mapView . frame . size . width ; int x = ( int ) (( width / 360.0 ) * ( 180 + 8.242493 )); //Main lon int y = ( int ) (( height / 180.0 ) * ( 90 - 49.993615 )); //Mainz lat NSLog (@ "x:%i y:%i" , x , y ); PinView * pinView = [[ PinView alloc ] initPinViewWithPoint : x andY : y ]; [ self . view

Convert image to string (for Symfony2 Response)

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I'm building a script for image resizing in Symfony2. As I'd like to be able to use standard Symfony2 response system... $headers = array ( 'Content-Type' => 'image/png' , 'Content-Disposition' => 'inline; filename="image.png"' ); return new Response ( $img , 200 , $headers ); // $img comes from imagecreatetruecolor() ...I need a string to send as a response. Unfortunately, functions like imagepng do only write files or output directly to the browser, not return strings. So far the only solutions I was able to think of are 1] save

Convert dd-mm-yyyy string to date

匿名 (未验证) 提交于 2019-12-03 02:06:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: i am trying to convert a string in the format dd-mm-yyyy into a date object in JavaScript using the following: var from = $ ( "#datepicker" ). val (); var to = $ ( "#datepickertwo" ). val (); var f = new Date ( from ); var t = new Date ( to ); ("#datepicker").val() contains a date in the format dd-mm-yyyy. When I do the following, I get "Invalid Date": alert ( f ); Is this because of the '-' symbol? How can I overcome this? 回答1: Parse the string into the parts you need: var from = $ ( "#datepicker" ). val (). split ( "-" ); var f =