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Is there any way to prevent input type=“number” getting negative values?
...tive number from keyboard.
Solution is to prevent with key code:
// Select your input element.
var number = document.getElementById('number');
// Listen for input event on numInput.
number.onkeydown = function(e) {
if(!((e.keyCode > 95 && e.keyCode < 106)
|| (e....
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
..... faced this issue..... did Following steps 1. gem uninstall mysql2 > selected option 3 2. gem install mysql2 3. added this to gemfile of project ---> gem 'mysql2', '~> 0.3.21' 4. bundle install
– Udit Kapahi
Jun 23 '16 at 9:53
...
Deleting multiple elements from a list
...; del a[0:3:2]
>>> a
[1, 3, 4]
This doesn't cover any arbitrary selection, of course, but it can certainly work for deleting any two items.
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Convert number to month name in PHP
...mes from the beginning of the year to the end e.g. to populate a drop-down select, I would just use the following;
for ($i = 0; $i < 12; ++$i) {
$months[$m] = $m = date("F", strtotime("January +$i months"));
}
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How can I save application settings in a Windows Forms application?
...gs. Right click on the project in Solution Explorer and choose Properties. Select the Settings tab and click on the hyperlink if settings doesn't exist.
Use the Settings tab to create application settings. Visual Studio creates the files Settings.settings and Settings.Designer.settings that contain...
How do you use the ellipsis slicing syntax in Python?
...shape(2,2,2,2)
Now, you have a 4-dimensional matrix of order 2x2x2x2. To select all first elements in the 4th dimension, you can use the ellipsis notation
>>> a[..., 0].flatten()
array([ 0, 2, 4, 6, 8, 10, 12, 14])
which is equivalent to
>>> a[:,:,:,0].flatten()
array([ 0...
IntelliJ: How to auto-highlight variables like in Eclipse
... choose to do so.
With your cursor on an occurence.
Do Ctrl+Shift+F7 to select all other occurrences.
Then Shift + F6 to rename all occurences simultaneously.
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Get element type with jQuery
...e type of an element with jQuery? For example, is the element a div, span, select, or input?
7 Answers
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Are email addresses case sensitive?
...eudocode:
if (user.paidEmailFee) {
// case sensitive email
query = "select * from users where email LIKE ' + user.email + '"
} else {
// case insensitive email
query = "select * from users where email ILIKE ' + user.email + '"
}
This way, you are mostly enforcing case insensitivity bu...
Convert tabs to spaces in Notepad++
...ument you wish to replace tabs with.
Highlight all the text (CTRL+A).
Then select TextFX -> TextFX Edit -> Leading spaces to tabs or tabs to spaces.
Note: Make sure TextFX Characters plugin is installed (Plugins -> Plugin manager -> Show plugin manager, Installed tab). Otherwise, there...