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Max coverage disjoint intervals

由 六眼飞鱼酱① 提交于 2019-12-14 02:33:20
问题 Assume you have k<=10^5 intervals [a_i, b_i] \in [1,10^18] (some of them may overlap), and you need to choose a set of intervals mutually disjoint such that their union is maximal. Not maximum number of disjoint intervals, but the union must cover the most. Can't try all possible subsets 2^k infeasible. Greedy approaches ordering by a_i ( interval covering algorithm) and ordering by b_i ( maximum number of disjoint intervals algorithm ) didn't work Can't figure out if there is a dynamic

fetch Cover Image from epub in ios

由 流过昼夜 提交于 2019-12-13 19:22:32
问题 I want to display Book Cover Image of epub file in my Reading table. In my iOS application I have added "Open In" support for epub files. So when i navigate to my book reading app I want to show book's cover image in shelf first and then want to load that book. Please help me to fetch Cover Image from epub book in ios app. 回答1: You will have to unzip the ePub and parse the metadata. Parse META-INF/container.xml and find the .OPF file path. The .OPF file contains all that you need, a tag meta

Background-size: cover not working in any browser

由 血红的双手。 提交于 2019-12-12 02:54:49
问题 I have the following HTML code: <header id="header"> <h1><span id="titlu-pagina">Watercolors</span></h1> <ul> <li><a href="#">About Me</a></li> <li><a href="#">Where To Find Me</a></li> <li><a href="#">The Blog</a></li> </ul> </header> and the respective CSS one: #header { height: 800px; text-align: center; border-bottom: 1px solid black; background-color: #734C8F; background-image: url('10.jpg'); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover;

How to get a securl cover URL?

由 丶灬走出姿态 提交于 2019-12-11 13:18:48
问题 I'm tryng to get the cover url of a FBpage using: $fql_query_url = "https://graph.facebook.com" ."/$fb_id[id]?fields=cover" .""; try { $fql_query_result = @file_get_contents($fql_query_url); $fql_query_obj = json_decode($fql_query_result, true); } catch(Exception $o){ } $cover = $fql_query_obj[cover][source]; I get an http://... url and not the https://... url any tips? 回答1: As @CBroe pointed out, you need to specify you need a secure URL by setting the return_ssl_resources argument to 1:

Profile Cover Editing via Facebook's Api

由 拈花ヽ惹草 提交于 2019-12-08 07:33:16
问题 I know that this question was raised out several times, and I even read most of the questions regarding the topic. But there was a gap of about a month till now, and I'd like to know if there is any process in changing the Timeline Cover picture from the api(via an app). Do you know any new information about this? Or is there a solution out there? (except for uploading to cover folder) Thanks in advance. 回答1: In fact, there´s no API support for it, but you can upload a photo and then redirect

Profile Cover Editing via Facebook's Api

由 醉酒当歌 提交于 2019-12-08 07:30:29
I know that this question was raised out several times, and I even read most of the questions regarding the topic. But there was a gap of about a month till now, and I'd like to know if there is any process in changing the Timeline Cover picture from the api(via an app). Do you know any new information about this? Or is there a solution out there? (except for uploading to cover folder) Thanks in advance. In fact, there´s no API support for it, but you can upload a photo and then redirect user to: http://www.facebook.com/profile.php?preview_cover=PHOTO_ID There is currently no API to change the

Tagging mkv files with cover images?

由 送分小仙女□ 提交于 2019-12-06 19:06:39
问题 I found this screenshot which shows that you can add a cover image to an mkv file in a way that it is displayed as the icon of the file in the Windows explorer using Shark007 + icaros . But these tools are messing with the system in a really bad way. A lot of people are having problems with it and I too very much regret that I've installed it. I'm really glad I got my Windows to boot again... Anyway, how could I programmatically add a cover image to an mkv file? And would I need to change

CSS Sprite + background-size:cover

由 元气小坏坏 提交于 2019-12-06 08:02:42
问题 Is there a way to use background-size:cover on images loaded with CSS Sprite? Example code: [class*='img-sprite-']{ background-image:url('../images/sprite/img.png'); background-repeat:no-repeat; display:block } .img-sprite-a1{background-position:-5px 5px} .img-sprite-a2{background-position:-10px 10px} .img-sprite-a3{background-position:-15px 15px} ... 回答1: you need to use % according to number of sprites within image for background-size and background-position: example below with a 3 sprites

When rotating an iPhone X to landscape, white space appears to the left and below cover image

由 懵懂的女人 提交于 2019-12-06 04:16:09
问题 A weird problem occurred today. While testing a simple "coming soon" page my background image on my iPhone X is not filling the entire viewport when rotating to landscape. Tested in Chrome and Safari. A simplified example that produces the problem: html { background: url(http://timwickstrom.com/assets/images/bg.png) no-repeat center center fixed; background-size: cover; padding: 0; margin: 0; width: 100%; height: 100%; overflow: hidden; } <!DOCTYPE HTML> <html> <head> <meta http-equiv=

Tagging mkv files with cover images?

由 二次信任 提交于 2019-12-04 23:00:40
I found this screenshot which shows that you can add a cover image to an mkv file in a way that it is displayed as the icon of the file in the Windows explorer using Shark007 + icaros . But these tools are messing with the system in a really bad way. A lot of people are having problems with it and I too very much regret that I've installed it. I'm really glad I got my Windows to boot again... Anyway, how could I programmatically add a cover image to an mkv file? And would I need to change something in the registry to make Windows display them? I'm not neccessarely looking for code, I'm more
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