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How to test if a string is JSON or not?
...built on on two structures: A collection of name/value pair (object) or an ordered list of values (array).
Argument: Exception handling shouldn't be used to do something expected.
(This is a comment that has 25+ upvotes!)
FACT: No! It's definitely legal to use try/catch, especially in a cas...
Is there a ceiling equivalent of // operator in Python?
...nline as well
((foo - 1) // bar) + 1
In python3, this is just shy of an order of magnitude faster than forcing the float division and calling ceil(), provided you care about the speed. Which you shouldn't, unless you've proven through usage that you need to.
>>> timeit.timeit("((5 - 1) ...
How to calculate age (in years) based on Date of Birth and getDate()
...s. Also taking the dart parts and comparing only works if they're properly ordered.
THE FOLLOWING CODE WORKS AND IS VERY SIMPLE:
create function [dbo].[AgeAtDate](
@DOB datetime,
@PassedDate datetime
)
returns int
with SCHEMABINDING
as
begin
declare @iMonthDayDob int
declare @iMonthDa...
How to change the default GCC compiler in Ubuntu?
...s.
It assigns values to every software of a family, so that it defines the order in which the applications will be called.
It is used to maintain different versions of the same software on a system. In your case, you will be able to use several declinations of gcc, and one will be favoured.
To f...
getExtractedText on inactive InputConnection warning on android
...ause();
@Override
protected void onPause() {
// hide the keyboard in order to avoid getTextBeforeCursor on inactive InputConnection
InputMethodManager inputMethodManager = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(my...
Include an SVG (hosted on GitHub) in MarkDown
...ill work.
I copied the SVG image from the question to a repo on github in order to create the examples below
Linking to files using relative paths (Works, but obviously only on github.com / github.io)
Code
<img src="./controllers_brief.svg">
Result
S...
Sleep in JavaScript - delay between actions
...eout and setInterval, you can wrap them in functions that just reverse the order of the arguments and give them nice names:
function after(ms, fn){ setTimeout(fn, ms); }
function every(ms, fn){ setInterval(fn, ms); }
CoffeeScript versions:
after = (ms, fn)-> setTimeout fn, ms
every = (ms, fn)...
How can I make an “are you sure” prompt in a Windows batchfile?
...y thing I would add is an additional SET AREYOUSURE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
...
What are the options for storing hierarchical data in a relational database? [closed]
...ere follows an example - taxonomic tree of birds so the hierarchy is Class/Order/Family/Genus/Species - species is the lowest level, 1 row = 1 taxon (which corresponds to species in the case of the leaf nodes):
CREATE TABLE `taxons` (
`TaxonId` smallint(6) NOT NULL default '0',
`ClassId` smallin...
Switch statement for string matching in JavaScript
...cular two key aspects: First, that the cases are considered in source text order, and second that the selector expressions (the bits after the keyword case) are expressions that are evaluated as that case is evaluated (not constants as in some other languages). So since our test expression is true, ...