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Iterate through options
...
can also Use parameterized each with index and the element.
$('#selectIntegrationConf').find('option').each(function(index,element){
console.log(index);
console.log(element.value);
console.log(element.text);
});
// this will also work
$('#selectIntegrati...
What is the difference between HAVING and WHERE in SQL?
...tion on the set returned by SQL; it uses SQL's built-in set oeprations and indexes and therefore is the fastest way to filter result sets. Always use WHERE whenever possible.
HAVING is necessary for some aggregate filters. It filters the query AFTER sql has retrieved, assembled, and sorted the re...
AngularJS : How do I switch views from a controller function?
...ould directly change the window.location (using the $location service!) in
index.html file
<div ng-controller="Cntrl">
<div ng-click="changeView('edit')">
edit
</div>
<div ng-click="changeView('preview')">
preview
</...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
...t @user438331 asks about, I think the solution in my answer using a simple indexer is better.
– Niklas Peter
Sep 26 '15 at 10:33
7
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How do I add a foreign key to an existing SQLite table?
...MA
foreign_keys=OFF.
Start a transaction.
Remember the format of all indexes and triggers associated with
table X. This information will be needed in step 8 below. One way to
do this is to run a query like the following: SELECT type, sql FROM
sqlite_master WHERE tbl_name='X'.
Use CREAT...
How do I force git to use LF instead of CR+LF under windows?
...the right setting for what you want, but you might have to do a git update-index --refresh and/or a git reset --hard for the change to take effect.
With core.autocrlf set to input, git will not apply newline-conversion on check-out (so if you have LF in the repo, you'll get LF), but it will make su...
Ruby optional parameters
... passing an array as the parameter, and then checking if the value at that index was nil or not.
class Array
def ascii_to_text(params)
param_len = params.length
if param_len > 3 or param_len < 2 then raise "Invalid number of arguments #{param_len} for 2 || 3." end
bottom = para...
How do I call a dynamically-named method in Javascript?
...ut you're creating an array, then assigning to the array's properties (not indexes). You might as well do var dyn_functions = {}; so you don't needlessly create an array... this isn't a huge issue though.
– David Sherret
Nov 26 '13 at 16:46
...
I want to exception handle 'list index out of range.'
...ndling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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How to make phpstorm display line numbers by default?
...lt?
Couldn't find that option. It's kind of annoying to turn them on manually for each page.
19 Answers
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