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Set operations (union, intersection) on Swift array?
...let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let set1:Set<String> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(secondSet)// Union of two sets
firstSet.intersection(secondSet)// Intersection of two sets
firstSet....
from jquery $.ajax to angular $http
...ost() method)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info...
AngularJS directive with default options
...without any tradeoffs for you (before interpolation attribute will contain string with expression).
– OZ_
Sep 13 '13 at 11:12
...
Is there a good reason to use upper case for SQL keywords? [closed]
... SQL. Examples include in-line queries, programmer documentation, and text strings within the code of another language. The same is not true anywhere near as often for languages like Python or C++; yes, their code does sometimes appear in those places, but it's not routinely done the way it is with ...
Insert new column into table in sqlite?
..., your column name to get the value from the cursor:
private static final String ColNew="ColNew";
String val=cursor.getString(cursor.getColumnIndex(ColNew));
so if the index changes your application will not face any problems.
This is the safe way in the sense that otherwise, if you are using CR...
Custom HTTP Authorization Header
...endix B of p7-auth-19)...
auth-param = token BWS "=" BWS ( token / quoted-string )
I believe this fits the latest standards, is already in use (see below), and provides a key-value format for simple extension (if you need additional parameters).
Some examples of this auth-param syntax can be see...
vim command to restructure/force text to 80 columns
... Is there a way to do this with lines that are just one long string of characters, with no spaces? EDIT: I've discovered the "fold" utility. Still wondering about doing this in vi.
– Donald Smith
Jun 2 '15 at 18:38
...
Convert Python dictionary to JSON array
... means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTem...
What's the optimum way of storing an NSDate in NSUserDefaults?
... is one of the "main types" supported by the PLIST format (dates, numbers, strings, data, dictionaries, and arrays), so you can just store it directly.
See the documentation for proof.
Just store and retrieve the date directly and watch it Do The Right Thing (including time zones, precision, etc)....
Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...unctions in the class.
SampleClass
public class SampleClass {
public String initializeData(){
return "Initialize";
}
public String processDate(){
return "Process";
}
}
SampleTest
public class SampleTest {
private SampleClass sampleClass;
@BeforeClass
...