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How to clear a notification in Android
... .setAutoCancel(true)
.setSmallIcon(R.drawable.app_icon)
.setContentIntent(pIntent)
.build();
.setAutoCancel(true)
when you click on notification, open corresponding activity and remove notification from notification bar
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PostgreSQL query to list all table names?
...iving just \dt in psql? See https://www.postgresql.org/docs/current/static/app-psql.html.
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How to dismiss keyboard iOS programmatically when pressing return
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simply use this in swift to dismiss keyboard:
UIApplication.sharedApplication().sendAction("resignFirstResponder", to:nil, from:nil, forEvent:nil)
Swift 3
UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
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java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]
I am trying to build an application, but it gives some error. My JDK version is given below:
7 Answers
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Get Base64 encode file-data from Input Form
...y. Try this if you want to double check before pushing:
window.open("data:application/octet-stream;base64," + base64);
This will download it as a file.
Other info:
To get the data as a Uint8Array, look at the MDN docs:
https://developer.mozilla.org/en/DOM/FileReader
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parseInt vs unary plus, when to use which?
... suprised that parseInt beats unary plus on iOS :) This is helpful for web apps with heavy CPU consumption only. As a rule-of-thumb I'd suggest JS opt-guys to consider any JS operator over another one from the mobile performance point of view nowadays.
So, go mobile-first ;)
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Is it fine to have foreign key as primary key?
...o have a primary key being a foreign key. This is a rare construct, but it applies for:
a 1:1 relation. The two tables cannot be merged in one because of different permissions and privileges only apply at table level (as of 2017, such a database would be odd).
a 1:0..1 relation. Profile may or may...
Implementing Fast and Efficient Core Data Import on iOS 5
...at method is that the data goes from the background MOC straight into your applications MOC (then passes through to get saved).
There is some penalty for the pass-through, but all the heavy lifting gets done in the MASTER when it hits the disk. And if you kick those saves on the master with perfor...
What is the difference between & vs @ and = in angularJS
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The links to these appear to have changed, they are now: egghead.io/lessons/angularjs-isolate-scope-attribute-binding , egghead.io/lessons/angularjs-isolate-scope-expression-binding , egghead.io/lessons/angularjs-isolate-scope-two-way-binding ,...
What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
... installed you can run it by creating a new tab in Chrome and clicking the apps button near the top left
It has a simple gui. Click choose folder, then click the http://127.0.0.1:8887 link
https://www.youtube.com/watch?v=AK6swHiPtew
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