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Android multiple email attachments using Intent
...rrayList
ArrayList<Uri> uris = new ArrayList<Uri>();
//convert from paths to Android friendly Parcelable Uri's
for (String file : filePaths)
{
File fileIn = new File(file);
Uri u = Uri.fromFile(fileIn);
uris.add(u);
}
emailIntent.putParcela...
When should we use Observer and Observable?
An interviewer asked me:
10 Answers
10
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Linq order by boolean
...east with this solution, the code makes it painfully obvious which way you intend to sort.
– Robert Noack
Jul 29 '13 at 20:24
2
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When should an IllegalArgumentException be thrown?
...ive measure to complain about obviously bad input before the input can get into the works and cause something to fail halfway through with a nonsensical error message.
It's used for cases where it would be too annoying to throw a checked exception (although it makes an appearance in the java.lang.r...
How do I get Month and Date of JavaScript in 2 digit format?
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The following is used to convert db2 date format
i.e YYYY-MM-DD using ternary operator
var currentDate = new Date();
var twoDigitMonth=((currentDate.getMonth()+1)>=10)? (currentDate.getMonth()+1) : '0' + (currentDate.getMonth()+1);
var twoDig...
How and why does 'a'['toUpperCase']() in JavaScript work?
...rCase() is a method of String.prototype
'a' is a primitive value, but gets converted into its Object representation
We have two possible notations to access object properties/methods, dot and bracket notation
So
'a'['toUpperCase'];
is the access via bracket notation on the property toUpperCase,...
Nested defaultdict of defaultdict
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here is a recursive function to convert a recursive default dict to a normal dict
def defdict_to_dict(defdict, finaldict):
# pass in an empty dict for finaldict
for k, v in defdict.items():
if isinstance(v, defaultdict):
# new l...
Advantages and disadvantages of GUID / UUID database keys
...dered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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Image Segmentation using Mean Shift explained
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A Mean-Shift segmentation works something like this:
The image data is converted into feature space
In your case, all you have are intensity values, so feature space will only be one-dimensional. (You might compute some texture features, for instance, and then your feature space would be two d...
Print second last column/field in awk
I want to print the second last column or field in awk. The number of fields is variable. I know that I should be able to use $NF but not sure how it can be used.
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