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When and why to 'return false' in JavaScript?
...not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
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Disable scrolling on ``
... focus
// (to prevent Cromium browsers change the value when scrolling)
$('form').on('focus', 'input[type=number]', function (e) {
$(this).on('wheel.disableScroll', function (e) {
e.preventDefault()
})
})
$('form').on('blur', 'input[type=number]', function (e) {
$(this).off('wheel.disable...
How to set focus on input field?
...ay not need a $timeout for this one:
<button class="btn" ng-click="showForm=true; focusInput=true">show form and
focus input</button>
<div ng-show="showForm">
<input type="text" ng-model="myInput" focus-me="focusInput"> {{ myInput }}
<button class="btn" ng-click="sho...
Do C# Timers elapse on a separate thread?
...ese ISynchronizeInvoke instances are none other than plain old Control and Form instances that we are all familiar with. So in that case the Elapsed event is invoked on the UI thread and it behaves similar to the System.Windows.Forms.Timer. Otherwise, it really depends on the specific ISynchronize...
Prompt for user input in PowerShell
... the linked example you would type: $results['String Field'].
To access information without invoking a method, leave the parentheses off:
PS> $Host.UI.Prompt
MemberType : Method
OverloadDefinitions : {System.Collections.Generic.Dictionary[string,psobject] Pr
ompt(s...
What is the equivalent of “none” in django templates?
...r example, is it possible to display "N/A" if a date is none but otherwise format it? Like: {{ post.pub_date|default_if_none:"N/A"|date:"Y-m-d" }}?
– Andreas Bergström
Jan 7 '18 at 16:57
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AI2 SideBar Extension
...etItemChecked. The HasItemCheckBox and GetItemChecked functions provide information on whether a SideBar item has a CheckBox / Switch and what its checked state is. The ItemSelected or Item#Selected event is triggered when a SideBar item without a CheckBox / Switch is tapped. Item#Selected is ava...
How do I render a partial of a different format in Rails?
...lling render :partial (only works outside of the respond_to block).
render formats: [ :html ]
instead of
render format: 'html'
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How do I run a simple bit of code in a new thread?
... need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
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Storing time-series data, relational or non?
... ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
10 Answers
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