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Easy way to prevent Heroku idling?
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The big difference is 5 minute intervals means it'll be 5 minutes before you get notified if it's down. We use Pingometer (pingometer.com) which has 1 minute intervals and it's been great with Heroku.
– okoboko
Nov 18 '14 at 7:...
How to add a WiX custom action that happens only on uninstall (via MSI)?
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In your truth table, did you mean to use PREVIOUSVERSIONSINSTALLED instead of UPGRADINGPRODUCTCODE as is used by ahmd0? I'm not seeing any reference to PREVIOUSVERSIONSINSTALLED on the MSI property reference page (docs.microsoft.com/en-us/windows/win32/m...
How would I get a cron job to run every 30 minutes?
...rs: 0-23 -- valid minutes: 0-59
example #1
30 * * * * your_command
this means "run when the minute of each hour is 30" (would run at: 1:30, 2:30, 3:30, etc)
example #2
*/30 * * * * your_command
this means "run when the minute of each hour is evenly divisible by 30" (would run at: 1:30, 2:00, 2...
How to go to a specific element on page? [duplicate]
...) method.
$('#div_' + element_id)[0].scrollIntoView( true );
Where true means align to the top of the page, and false is align to bottom.
Otherwise, there's a scrollTo() plugin for jQuery you can use.
Or maybe just get the top position()(docs) of the element, and set the scrollTop()(docs) to th...
How to insert an element after another element in JavaScript without using a library?
...dChild() Method, e.g. existingElement.appendAfter(newElement);. See what I mean at this updated jsfiddle.
– stomtech
May 25 '17 at 9:43
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Foreign Key to multiple tables
...r example, each of the two existing owner types has their own table (which means you have something to reference). If this will always be the case you can have something like this:
CREATE TABLE dbo.Group
(
ID int NOT NULL,
Name varchar(50) NOT NULL
)
CREATE TABLE dbo.User
(
ID int NO...
HTML5 form required attribute. Set custom validation message?
... support setCustomValidity should also support the DOMContentLoaded event, meaning JQuery is not needed, if it is not used for anything else.
– itpastorn
Jan 5 '13 at 17:12
1
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How do I escape a single quote?
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but I didn't understand what do you mean by context of html ?
– coding_idiot
Nov 6 '14 at 9:58
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Object of custom type as dictionary key
...s which inherit a __hash__()
method from a parent class but change
the meaning of __cmp__() or __eq__()
such that the hash value returned is
no longer appropriate (e.g. by
switching to a value-based concept of
equality instead of the default
identity based equality) can
explicitly fl...
How can I read SMS messages from the device programmatically in Android?
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@Janusz: There is no documented and supported means that works across all SMS clients on all devices.
– CommonsWare
Dec 27 '10 at 15:07
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