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Assign variable in if condition statement, good practice or not? [closed]
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@Michael: yes, that's correct. Adding the comparison basically just makes your intentions more clear.
– Matthew Crumley
Apr 5 '10 at 2:13
4
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Using backticks around field names
...umes you can just use backticks, I would assume it lets you get away with ridiculous stuff like
SELECT `id`, `my name`, `another field` , `field,with,comma`
Which does of course generate badly named tables.
If you're just being concise I don't see a problem with it,
you'll note if you run you...
Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
...distance_of_time_in_words method is an ActionView Helper, thus needs to be called from the View (not the controller). api.rubyonrails.org/classes/ActionView/Helpers/DateHelper.html
– msdundar
Jun 29 '14 at 13:15
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Can't specify the 'async' modifier on the 'Main' method of a console app
...ain:
Remember from our intro post that an async method will return to its caller before it is complete. This works perfectly in UI applications (the method just returns to the UI event loop) and ASP.NET applications (the method returns off the thread but keeps the request alive). It doesn't work ou...
Is there a 'foreach' function in Python 3?
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Every occurence of "foreach" I've seen (PHP, C#, ...) does basically the same as pythons "for" statement.
These are more or less equivalent:
// PHP:
foreach ($array as $val) {
print($val);
}
// C#
foreach (String val in array) {
console.writeline(val);
}
// Python
for val in ...
How to output MySQL query results in CSV format?
...om/rx/1475/save-mysql-query-results-into-a-text-or-csv-file/
SELECT order_id,product_name,qty
FROM orders
WHERE foo = 'bar'
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';
Using this command columns names will not be exported.
Als...
Creating your own header file in C
...ot have to include foo.c into gcc program argument. What is this technique called or what program can accomplish this outside of IDE - Make comes to my mind
– nf071590
Oct 9 '14 at 22:31
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How to change Status Bar text color in iOS
....lightContent
}
Swift 5 and SwiftUI
For SwiftUI create a new swift file called HostingController.swift
import Foundation
import UIKit
import SwiftUI
class HostingController: UIHostingController<ContentView> {
override var preferredStatusBarStyle: UIStatusBarStyle {
return .lig...
Bootstrap carousel multiple frames at once
...ted 2019...
Bootstrap 4
The carousel has changed in 4.x, and the multi-slide animation transitions can be overridden like this...
.carousel-inner .carousel-item-right.active,
.carousel-inner .carousel-item-next {
transform: translateX(33.33%);
}
.carousel-inner .carousel-item-left.active,
.ca...
What is a wrapper class?
...can manage the process of invoking the COM component without bothering the calling code with it. They can also simplify the use of the underlying object by reducing the number interface points involved; frequently, this makes for more secure use of underlying components.
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