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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
... it. Those who guessed FFT were right.
The problem: we are given a binary string S of length n, and we want to find three evenly spaced 1s in it. For example, S may be 110110010, where n=9. It has evenly spaced 1s at positions 2, 5, and 8.
Scan S left to right, and make a list L of positions of 1...
What is the shortest function for reading a cookie by name in JavaScript?
...s or tabs will not become visible. You can avoid this issue by storing the string-value from document.cookie in a variable and check if it is unchanged on each access.
– Andreas
Apr 1 '15 at 15:41
...
From an array of objects, extract value of a property as array
... the value of a property in an object.
Additionally, _.map() now allows a string to be passed in as the second parameter, which is passed into _.property(). As a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'foo');
var resu...
Copy data into another table
...o you're welcome to put anything in it you want, including explicit NULLs, string constants, expressions, or even subqueries.
– lc.
Dec 11 '15 at 11:10
...
How to display the default iOS 6 share action sheet with available share options?
... applicable sharing services. Examples:
Objective-C
- (void)shareText:(NSString *)text andImage:(UIImage *)image andUrl:(URL *)url
{
NSMutableArray *sharingItems = [NSMutableArray new];
if (text) {
[sharingItems addObject:text];
}
if (image) {
[sharingItems addObje...
Why Choose Struct Over Class?
... 1...10000000 {
y = y + Int10Struct(1)
}
}
func measure(name: String, @noescape block: () -> ()) {
let t0 = CACurrentMediaTime()
block()
let dt = CACurrentMediaTime() - t0
print("\(name) -> \(dt)")
}
Code can be found at https://github.com/knguyen2708/StructVsC...
Find a private field with Reflection?
...es easy to use function GetInstanceField(typeof(YourClass), instance, "someString") as string How to get the value of private field in C#?
– Michael Freidgeim
Jun 14 '16 at 4:50
...
Performing Inserts and Updates with Dapper
...using (IDbConnection db = new SqlConnection(ConfigurationManager.ConnectionStrings["myDbConnection"].ConnectionString))
{
string insertQuery = @"INSERT INTO [dbo].[Customer]([FirstName], [LastName], [State], [City], [IsActive], [CreatedOn]) VALUES (@FirstName, @LastName, @State, @City, @IsActive...
Handling optional parameters in javascript
... == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
callback = parameters;
}
}
//...
}
You can also use the arguments object in this way:
function getData (/*id, parameters, callback*/) {
var id = arguments[...
Python datetime - setting fixed hour and minute after using strptime to get day,month,year
...or the quick reply! :) Just curious if there is a way to do it without the extra date variable? (I'm a python newbie)
– user1678031
Sep 18 '12 at 0:38
2
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