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SQL - Update multiple records in one query
...e syntax
UPDATE config t1 JOIN config t2
ON t1.config_name = 'name1' AND t2.config_name = 'name2'
SET t1.config_value = 'value',
t2.config_value = 'value2';
Here is SQLFiddle demo
or conditional update
UPDATE config
SET config_value = CASE config_name
WH...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...t programmatically get the version code or version name of my apk from the AndroidManifest.xml file after downloading it and without installing it.
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How Do I Fetch All Old Items on an RSS Feed?
I've been experimenting with writing my own RSS reader. I can handle the "parse XML" bit. The thing I'm getting stuck on is "How do I fetch older posts?"
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PostgreSQL database default location on Linux
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The "directory where postgresql will keep all databases" (and configuration) is called "data directory" and corresponds to what PostgreSQL calls (a little confusingly) a "database cluster", which is not related to distributed computing, it just means a group of databases and related...
Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
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It’s all about loose coupling and single responsibility, which goes hand to hand with MV* (MVC/MVP/MVVM) patterns in JavaScript which are very modern in the last few years.
Loose coupling is an Object-oriented principle in which each component of the sys...
Is there a UIView resize event?
I have a view that has rows and columns of imageviews in it.
7 Answers
7
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curl : (1) Protocol https not supported or disabled in libcurl
...g to install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received:
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Pass props to parent component in React.js
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Edit: see the end examples for ES6 updated examples.
This answer simply handle the case of direct parent-child relationship. When parent and child have potentially a lot of intermediaries, check this answer.
Other solutions are missing the point
While they still work fine, other answers are miss...
Adding gif image in an ImageView in android
...copy your GIF image into Asset Folder of your app
create following classes and paste the code
AnimationActivity: -
public class AnimationActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(saved...
How to get datetime in JavaScript?
... answered Apr 30 '14 at 17:34
Andrew MaoAndrew Mao
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