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How to check file MIME type with javascript before upload?
... that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server resource.
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Service Temporarily Unavailable Magento?
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Now in new version magento2 on Generate error Service Temporarily Unavailable.
Remove maintenance.flag
From this path which is changed magento2/var/maintenance.flag.
Also
$ rm maintenance.flag
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What is the difference between a port and a socket?
...ress conditions.
The combination of an IP address and a port is strictly known as an endpoint and is sometimes called a socket. This usage originates with RFC793, the original TCP specification.
A TCP connection is defined by two endpoints aka sockets.
An endpoint (socket) is defined by the combi...
Supervisor socket error issue [closed]
...c/supervisord.conf /etc/supervisor/supervisord.conf
if you want to keep it
Now you can run sudo supervisorctl
Why?
when you run supervisorctl it first searches for the config file located at /etc/supervisord.conf, if it's not present, it will search for the package's default file /etc/supervisor/su...
Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...ally transparent? g's supplier might have used mutable anyway. So I won't know. On the other hand, if the default is non-const, and people must add const instead of mutable to function objects, the compiler can actually enforce the const std::function<int(int)> part and now f can assume that g...
How to highlight text using javascript
...erate through the text elements; can't be done with regEx AFAIK. 2: Don't know mark.js, but I would avoid everything that does a jQuery.each, because that is damn slow.
– Stefan Steiger
Jun 2 '16 at 16:57
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Split string into an array in Bash
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@l0b0: Thanks. I don't know what I was thinking. I like to use declare -p array for test output, by the way.
– Paused until further notice.
May 14 '12 at 16:33
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How to use java.net.URLConnection to fire and handle HTTP requests?
...exOutOfBoundsException and consorts yourself.
Preparing
We first need to know at least the URL and the charset. The parameters are optional and depend on the functional requirements.
String url = "http://example.com";
String charset = "UTF-8"; // Or in Java 7 and later, use the constant: java.nio....
Best way to pretty print a hash
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Sorry, I realize now that pretty_generate does accept a Ruby object, not json text.
– Tony
Aug 23 '17 at 23:52
add a ...
What is the best way to solve an Objective-C namespace collision?
...er classes in that first framework which reference the renamed class would now reference the class from the other framework.
You wouldn't need to copy or rename a class if there were a way to copy the data pointed to by an IMP. You could create a new class and then copy over ivars, methods, propert...