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Find out whether Chrome console is open
...th the added advantage of detecting both close and open events.
function toString (2019)
Credit to Overcl9ck's comment on this answer. Replacing the regex /./ with an empty function object still works.
var devtools = function() {};
devtools.toString = function() {
if (!this.opened) {
alert...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ple, I like to use the following style:
(list
filter (...)
map (...)
mkString ", "
)
That's the same thing as:
list filter (...) map (...) mkString ", "
Now, why am I using parenthesis here, if filter and map take a single parameter? It's because I'm passing anonymous functions to them. I c...
Difference between val() and text()
...rText (not HTML) of all the matched elements:
.text()
The result is a string that contains
the combined text contents of all
matched elements. This method works on
both HTML and XML documents. Cannot be
used on input elements. For input
field text use the val attribute.
.val()
G...
Create unique constraint with null columns
... quote_ident() as they should and forget to pass identifiers as lower case strings now! Do not use mixed case identifiers in PostgreSQL, if you can avoid it. I have seen a number of desperate requests here stemming from this folly.
– Erwin Brandstetter
Nov 27 '...
How to use NULL or empty string in SQL
I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks.
...
Reading a List from properties file and load with spring annotation @Value
...
Using Spring EL:
@Value("#{'${my.list.of.strings}'.split(',')}")
private List<String> myList;
Assuming your properties file is loaded correctly with the following:
my.list.of.strings=ABC,CDE,EFG
...
Convert a JSON String to a HashMap
I'm using Java, and I have a String which is JSON:
18 Answers
18
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Is “IF” expensive?
...t it doesn't need once the outcome of the branch is known. This saves the extra memory access of a typical architecture in the event that it branches along the unpredicted path.
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php implode (101) with quotes
...2 parameters (if you just supply an array, it joins the pieces by an empty string).
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How to convert View Model into JSON object in ASP.NET MVC?
... but never found Json.Encode and just used JavaScriptSerializer to add the string in the controller to the view model
– AaronLS
Aug 31 '12 at 23:14
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