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Inputting a default image in case the src attribute of an html is not valid?
......
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<title>Object Test</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body&g...
Which is better: … or …
... default value
for this attribute.
Notices the emphasis above.
http://www.w3.org/TR/html4/interact/scripts.html
Note: As of HTML5 (far away), the type attribute is not required and is default.
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Why does InetAddress.isReachable return false, when I can ping the IP address?
... case, it fails.
//also, this fails for an invalid address, like "www.sjdosgoogle.com1234sd"
InetAddress[] addresses = InetAddress.getAllByName("www.google.com");
for (InetAddress address : addresses) {
if (address.isReachable(10000))
{
System.out...
Rsync copy directory contents but not directory itself
...
Try rsync -av ~/foo/ user@remote.com:/var/www/bar/
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How can I see the request headers made by curl when sending a request to the server?
...hake process when accessing website through HTTPS, such as curl -v https://www.example.com; second, it also prints the CONNECT request if you are visiting the site through HTTP proxy, such as curl --proxy my-proxy:8080 http://www.example.com. I believe it would help more users if some examples of th...
.htaccess not working apache
... relative. In my case, <Directory /> failed while <Directory /var/www/html/subdir> worked.
– Lukas Knuth
Apr 26 '18 at 10:18
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s...
What do linkers do?
...0000 .data + 0
The format of this section is fixed documented at: http://www.sco.com/developers/gabi/2003-12-17/ch4.reloc.html
Each entry tells the linker about one address which needs to be relocated, here we have only one for the string.
Simplifying a bit, for this particular line we have the ...
How can I use MS Visual Studio for Android Development?
...
Yes you can:
http://www.gavpugh.com/2011/02/04/vs-android-developing-for-android-in-visual-studio/
In case you get "Unable to locate tools.jar. Expected to find it in C:\Program Files (x86)\Java\jre6\lib\tools.jar" you can add an environment ...
rsync: difference between --size-only and --ignore-times
...es -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.
For local files, rsync compares metadata and if it looks like it doesn't need to copy the file because ...
CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
...am using something like this:
ALLOWED_HOSTS = ['localhost', '127.0.0.1', 'www.mysite.com']
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