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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
...
Eclipse count lines of code
...e way to count lines of code in Eclipse:
using the Search / File... menu, select File Search tab, specify \n[\s]* for Containing text (this will not count empty lines), and tick Regular expression.
Hat tip: www.monblocnotes.com/node/2030
...
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...
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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Block Comments in a Shell Script
...ing to write active code to create passive code... just use good old block select mode and press #; what's the big issue with that?
– Rusty75
Feb 27 '17 at 15:37
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How to make good reproducible pandas examples
...e a bit with np.random.choice. For example, in column g, we have a random selection of 6 dates from 2011. Additionally, by setting replace=False we can assure these dates are unique -- very handy if we want to use this as an index with unique values.
Fake stock market data
In addition to taking...
Error : The service is invalid
...
Agree with the above comment. Please select the answer given as the correct one.
– memmons
Nov 12 '12 at 22:20
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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
...". Locate the "Android Application" node in the tree at the left, and then select your project and go to the "Target" tab on the right side of the window look down for the "Additional Emulator Command Line Options" field (sometimes you'll need to make the window larger) and finally paste "-partition...
ADB Install Fails With INSTALL_FAILED_TEST_ONLY
...uses). If
you want a debuggable APK that people can install without adb, select
your debug variant and click Build > Build APK(s).
Same goes for release build, with Android Studio 3 you need to go to Build > Build APK(s) to have a non testable release apk that you can submit to the store...
