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JavaScript listener, “keypress” doesn't detect backspace?
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My numeric control:
function CheckNumeric(event) {
var _key = (window.Event) ? event.which : event.keyCode;
if (_key > 95 && _key < 106) {
return true;
}
else if (_key > 47 && _key < 58) {
return true;
}
else {
...
Compiling problems: cannot find crt1.o
...
What helped me is to create a symbolic link:
sudo ln -s /usr/lib/x86_64-linux-gnu /usr/lib64
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...eters then it shouldn't be a problem isn't it? At least I usually use the $_POST array in PHP only when processing forms.
– Calmarius
Mar 20 '15 at 18:45
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/escape
Special characters are encoded with the exception of: @*_+-./
The hexadecimal form for characters, whose code unit value is 0xFF or less, is a two-digit escape sequence: %xx.
For characters with a greater c...
Databinding an enum property to a ComboBox in WPF
... Busy
}
At the top of your XAML:
xmlns:my="clr-namespace:namespace_to_enumeration_extension_class
and then...
<ComboBox
ItemsSource="{Binding Source={my:Enumeration {x:Type my:Status}}}"
DisplayMemberPath="Description"
SelectedValue="{Binding CurrentStatus}"
Selec...
How do you delete an ActiveRecord object?
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It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :afte...
Programmatically find the number of cores on a machine
...<thread>
//may return 0 when not able to detect
const auto processor_count = std::thread::hardware_concurrency();
Reference: std::thread::hardware_concurrency
In C++ prior to C++11, there's no portable way. Instead, you'll need to use one or more of the following methods (guarded by app...
How to get position of a certain element in strings vector, to use it as an index in ints vector?
...nting to the element, simply subtract v.begin() from the iterator:
ptrdiff_t pos = find(Names.begin(), Names.end(), old_name_) - Names.begin();
Now you need to check pos against Names.size() to see if it is out of bounds or not:
if(pos >= Names.size()) {
//old_name_ not found
}
vector i...
jQuery Selector: Id Ends With?
...ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input id="ctl_blabla_txtTitle" type="text" />
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ValueError: setting an array element with a sequence
...9 when building an array of objects (not necessarily lists) that implement __getitem__ as specified here:github.com/numpy/numpy/issues/5100
– dashesy
Nov 21 '14 at 19:13
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