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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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What exactly is the meaning of an API? [closed]
...way for an application to interact with certain system/application/library/etc.
For example, there are API's for OS (WinAPI), API's for other applications (like databases) and for specific libraries (for example, image processing), etc.
APIs are usually developed in a form consumable by a client a...
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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How much does it cost to develop an iPhone application? [closed]
...e. I included development time, graphic design time, project manager time, etc, etc. An app of the scale of the Obama app can be developed for significantly less.
– schwa
Oct 17 '08 at 15:31
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Haskell: Lists, Arrays, Vectors, Sequences
... ---> Prelude.fmap (works for every Functor)
Prelude.foldr/foldl/etc ---> Data.Foldable.foldr/foldl/etc
Prelude.sequence ---> Data.Traversable.sequence
etc
In fact, Data.Traversable defines an API that is more or less universal across any thing "list like".
Still, a...
How do I render a partial of a different format in Rails?
...at, whereas the simple approach specifies the template engine (ERB/builder/etc) as well.
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How to create a memory leak in Java?
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String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) open streams ( file , network etc... )
try {
BufferedReader br = new BufferedReader(new FileReader(inputFile));
...
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...