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How can I handle time zones in my webapp?
...
The issue of storing timestamps is simple: Store them in UTC.
As for displaying them, it would make sense to take the device's timezone setting and use that as the current timezone. That said, there should be a timezone dropdown next to the "time inpu...
How to use FormData for AJAX file upload?
...OST",
enctype: 'multipart/form-data',
url: "upload.php",
data: data,
processData: false,
contentType: false,
cache: false,
timeout: 600000,
success: function (data) {
console.log();
...
Cross field validation with Hibernate Validator (JSR 303)
...notations. This allows the error message to be specified per match.
For example, validating a common form:
@FieldMatch.List({
@FieldMatch(first = "password", second = "confirmPassword", message = "The password fields must match"),
@FieldMatch(first = "email", second = "confirmEma...
gitignore without binary files
...e all files without extension ###
# Ignore files with extension `.class` & `.sm`
*.class
*.sm
# Ignore `bin` dir
bin/
# or
*/bin/*
# Unignore all `.jar` in `bin` dir
!*/bin/*.jar
# Ignore all `library.jar` in `bin` dir
*/bin/library.jar
# Ignore a file with extension
relative/path/to/dir/fi...
Rounded UIView using CALayers - only some corners - How?
... Doesn't work as expected with views whose size might change. Example: a UILabel. Setting the mask path and then changing the size by setting text to it will keep the old mask. Will need subclassing and overloading the drawRect.
– user3099609
Oct 1 '...
Is there a performance difference between i++ and ++i in C++?
... the operator++ functions. Here's a standard pair of these functions:
Foo& Foo::operator++() // called for ++i
{
this->data += 1;
return *this;
}
Foo Foo::operator++(int ignored_dummy_value) // called for i++
{
Foo tmp(*this); // variable "tmp" cannot be optimized away by ...
Reading output of a command into an array in Bash
... the output of a command in my script into an array. The command is, for example:
3 Answers
...
How to read and write into file using JavaScript?
... Also, depending on your situation you could make an ajax call to a php script and dump the data that way. This was useful in my situation where I wanted to store some data generated on the javascript side, but didn't matter how it got there.
– Dustin Graham
...
JavaScript listener, “keypress” doesn't detect backspace?
...* keyCode: 8
* keyIdentifier: "U+0008"
*/
if(e.keyCode === 8 && document.activeElement !== 'text') {
e.preventDefault();
alert('Prevent page from going back');
}
});
share
|...
Get local IP address
...that show you how to get an IP address. And a lot of them look like this example:
25 Answers
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