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JavaScript: What are .extend and .prototype used for?
...ts from other objects. See http://api.jquery.com/jQuery.extend/ or http://www.prototypejs.org/api/object/extend for some examples.
.prototype refers to the "template" (if you want to call it that) of an object, so by adding methods to an object's prototype (you see this a lot in libraries to add t...
How to extract year and month from date in PostgreSQL without using to_char() function?
...6 20:38:40'),
date_part('year', timestamp '2001-02-16 20:38:40')
http://www.postgresql.org/docs/8.0/interactive/functions-datetime.html
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How can I get clickable hyperlinks in AlertDialog from a string resource?
... .setIcon(R.drawable.icon)
.setMessage(Html.fromHtml("<a href=\"http://www.google.com\">Check this link out</a>"))
.create();
d.show();
// Make the textview clickable. Must be called after show()
((TextView)d.findViewById(android.R.id.message)).setMovementMethod(LinkMovementMeth...
How to pass the values from one activity to previous activity
...ke SQL syntax, transactions and prepared statements.
Tutorials -- http://www.vogella.com/articles/AndroidSQLite/article.html
B. Shared Preferences
Suppose you want to store username. So there will be now two thing a Key Username, Value Value.
How to store
// Create object of SharedPreferences...
How to kill a child process after a given timeout in Bash?
...y installed otherwise use sudo apt-get install coreutils)
timeout 10 ping www.goooooogle.com
If you don't want to download something, do what timeout does internally:
( cmdpid=$BASHPID; (sleep 10; kill $cmdpid) & exec ping www.goooooogle.com )
In case that you want to do a timeout for long...
android button selector
...;/selector>
For more information i implemented using this link
http://www.blazin.in/2016/03/how-to-use-selectors-for-botton.html
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How to take screenshot with Selenium WebDriver
...le is in Java:
WebDriver driver = new FirefoxDriver();
driver.get("http://www.google.com/");
File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
// Now you can do whatever you need to do with it, for example copy somewhere
FileUtils.copyFile(scrFile, new File("c:\\tmp\\screen...
Cluster analysis in R: determine the optimal number of clusters
...r a bend or elbow in the sum of squared error (SSE) scree plot. See http://www.statmethods.net/advstats/cluster.html & http://www.mattpeeples.net/kmeans.html for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for the kmeans:
mydata <- d
wss <-...
Difference between git pull and git pull --rebase
...
and merges are how they flow back upwards.
For details refer - http://www.derekgourlay.com/archives/428
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wget command to download a file and save as a different filename
...l listed. Notice the uppercase O. Full command line to use could be:
wget www.examplesite.com/textfile.txt --output-document=newfile.txt
or
wget www.examplesite.com/textfile.txt -O newfile.txt
Hope that helps.
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