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How do you check if a JavaScript Object is a DOM Object?
...function isElement(obj) {
try {
//Using W3 DOM2 (works for FF, Opera and Chrome)
return obj instanceof HTMLElement;
}
catch(e){
//Browsers not supporting W3 DOM2 don't have HTMLElement and
//an exception is thrown and we end up here. Testing some
//properties that all eleme...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
...valid DateTimes. Source: joda-time.sourceforge.net/faq.html#illegalinstant and just running into this.
– Christophe De Troyer
Aug 10 '15 at 8:53
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Are GUID collisions possible?
...with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision still possible?
...
Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers
...
Creating a site wrapper div inside the <body> and applying the overflow-x:hidden to the wrapper instead of the <body> or <html> fixed the issue.
It appears that browsers that parse the <meta name="viewport"> tag simply ignore overflow attributes on t...
How to save and restore multiple different sessions in Vim?
...like
:mksession ~/mysession.vim
Then later you can source that vim file and you'll have your old session back:
:source ~/mysession.vim
or open vim with the -S option:
$ vim -S ~/mysession.vim
share
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Android onCreate or onStartCommand for starting service
Usually when I create an Android service I implement the onCreate method, but in my last project this does not work. I tried implementing onStartCommand , and this seems to work.
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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Rabbit's queues reside in memory and will therefore be much faster than implementing this in a database. A (good)dedicated message queue should also provide essential queueing related features such as throttling/flow control, and the ability to choose differ...
Maven plugins can not be found in IntelliJ
...ment -> Build Tools -> Maven (IntelliJ Ultimate 2020.2 on Ubuntu)... and then I needed to invalidate caches and restart (File -> Invalid Caches / Restart). Problem solved, thank you!
– Lambart
Aug 20 at 21:25
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git: How to ignore all present untracked files?
Is there a handy way to ignore all untracked files and folders in a git repository?
(I know about the .gitignore .)
8 An...
Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
...n to date has been that a DbContext is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext .
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