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How do I copy a hash in Ruby?
...oning a hash is preventing modification of the original (for immutability, etc).
– K. Carpenter
Feb 10 '15 at 2:24
6
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Find html label associated with a given input
... agents and assistive technologies, so test well and use at your own risk, etc. etc.
Yes, you could also implement this without using jQuery. :-)
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Can we pass parameters to a view in SQL?
...create a settings table in your database, with columns Id, Param1, Param2, etc. Insert a row into that table containing the values Id=1,Param1=0,Param2=0, etc. Then you can add a join to that table in your view to create the desired effect, and update the settings table before running the view. If y...
T-SQL CASE Clause: How to specify WHEN NULL
... for null, and can be verified even in SQL Server by using case statements etc.)
SELECT NULL = NULL -- Results in NULL
SELECT NULL <> NULL -- Results in NULL
So there is no true/false answer to the question, instead the answer is also null.
This has many implications, for example in
CAS...
Android AlertDialog Single Button
...tDialog.Builder(this);
builder.setMessage("Look at this dialog!")
.setCancelable(false)
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
//do things
}
});
AlertDialog aler...
How To: Best way to draw table in console app (C#)
... tables is ConsoleTable. Tables are constructed like this (from the readme file):
var table = new ConsoleTable("one", "two", "three");
table.AddRow(1, 2, 3)
.AddRow("this line should be longer", "yes it is", "oh");
Tables can be formatted using one of the predefined styles. It'll look like t...
Android onCreate or onStartCommand for starting service
...able to reduce the problem to something small and repeatable so I have not filed a bug myself. The documentation does not explicitly state that services are singletons, but it is very clear that that is what is intended. Look at the docs for 'startService()`: clearly states that if the service is no...
Detect the specific iPhone/iPod touch model [duplicate]
...iPhone4,1
iPad 2 is iPad2,1 iPad2,2 and iPad2,3 depending on version (GSM etc)
iPad 3 is iPad3,1 iPad3,2 and iPad3,3 depending on version (GSM etc)
See Iphone secrets (scroll down to "internal product codes")
Another good source is:
everyiphone.com
...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
... if we'd say January Five, January Sixth, instead of January 5, January 6, etc., then perhaps they'd have made a 0-based enumeration for days too...
Perhaps subconsciously they thought about an enumeration for months as {January, February, ...} and for days as {One, Two, Three, ...}, except for day...
Array Size (Length) in C#
...ress the . key it shows you a list of all the methods, properties, events, etc. available on that object. When you highlight a member it gives you a brief description of what it does.
Press F1
If you find a method or property that might do what you want but you're not sure, you can move the curs...