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Load a WPF BitmapImage from a System.Drawing.Bitmap
...emoryStream())
{
bitmap.Save(memory, ImageFormat.Png);
memory.Position = 0;
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = memory;
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.EndInit();
}
...
How to “crop” a rectangular image into a square with CSS?
...
this is a nice way to position AND crop with a single tag.
– rlemon
Mar 1 '13 at 22:05
9
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How to run a function when the page is loaded?
I want to run a function when the page is loaded, but I don’t want to use it in the <body> tag.
8 Answers
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Authoritative position of duplicate HTTP GET query keys
I am having trouble on finding authoritative information about the behavior with HTTP GET query string duplicate fields, like
...
How can I quickly sum all numbers in a file?
...
For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END { print $sum'
The result is a more...
Selecting only first-level elements in jquery
... In case you don't want to add a class just do $("ul:first > li a") obviously this would work only for the first level, not the inner levels.
– Alfonso
Sep 11 '13 at 15:18
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App Inventor 2 屏幕管理与多屏幕教程 · App Inventor 2 中文网
... 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指南 中文网原创 VIP 专享 App教程 入门必读 App上架指南 特色 AI 助手 · 一句话生成 App 鸿蒙 · 一套...
Algorithm to get the excel-like column name of a number
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Here's a nice simple recursive function (Based on zero indexed numbers, meaning 0 == A, 1 == B, etc)...
function getNameFromNumber($num) {
$numeric = $num % 26;
$letter = chr(65 + $numeric);
$num2 = intval($num / 26);
if ($num2 > 0) {
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How do I output an ISO 8601 formatted string in JavaScript?
I have a Date object. How do I render the title portion of the following snippet?
14 Answers
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Create a table without a header in Markdown
...rkdown parsers don't support tables without headers. That means the separation line for headers is mandatory.
Parsers that do not support tables without headers
multimarkdown
Maruku: A popular implementation in Ruby
byword: "All tables must begin with one or more rows of headers"
PHP Markdown Ext...
