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How to debug Apache mod_rewrite
... You have to have the RewriteEngine On section there too because if you only enable it (as i did) in the .htaccess file, then nothing will be logged.
– chacham15
Nov 13 '13 at 23:20
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Using Font Awesome icon for bullet points, with a single list item element
...e/decrease the two values by the same amount to get the desired spacing. If you use a fixed pixel value that doesn't correspond properly to your font you'll notice a discrepancy on multiline list items.
– braks
Oct 28 '15 at 5:58
...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
... by dragging a block and adding corresponding actions they want when a specific event occurs.
Unlike the traditional text-based programming, MIT App Inventor introduces an event-driven programming model. “Event” is a concept in computer science which refers to the user’s action, such as touch...
Could not reserve enough space for object heap
...
32-bit Java requires contiguous free space in memory to run. If you specify a large heap size, there may not be so much contiguous free space in memory even if you have much more free space available than necessary.
Installing a 64-bit version of Java helps in these cases, the contigu...
Convert RGBA PNG to RGB with PIL
...omita become simpler. This code can avoid a tuple index out of range error if png has no alpha channel.
from PIL import Image
png = Image.open(img_path).convert('RGBA')
background = Image.new('RGBA', png.size, (255,255,255))
alpha_composite = Image.alpha_composite(background, png)
alpha_composite...
how to POST/Submit an Input Checkbox that is disabled?
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To make it valid HTML, specifically set the value of readonly to readonly, i.e.: <input name="foo" value="bar" readonly="readonly" />
– Matt Huggins
Jan 18 '11 at 19:20
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HTML - Display image after selecting filename [duplicate]
...gt;
<meta charset=utf-8 />
<title>JS Bin</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<style>
article, aside, figure, footer, header, hgroup,
menu, nav, section { display: block; }
...
App Inventor 2 高德地图集成教程 - 定位导航与路线规划 · App Inventor 2 中文网
...tInterval(function(){
var msg = window.AppInventor.getWebViewString();
if(msg && msg !== ""){
try {
var data = JSON.parse(msg);
if(data.cmd === "locate"){
map.setCenter([data.lng, data.lat]);
new AMap.Marker({position:[data.lng,data.lat], map:map, title:"我的位...
Adding multiple columns AFTER a specific column in MySQL
...
If you want to add a single column after a specific field, then the following MySQL query should work:
ALTER TABLE users
ADD COLUMN count SMALLINT(6) NOT NULL
AFTER lastname
If you want to add multiple columns, then ...
No module named setuptools
... you really do need to go to that URL to see how to install it on your specific system.
– rob
May 2 '16 at 19:53
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