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What are the best practices for JavaScript error handling?
...ch he proposed something like this:
function log(sev,msg) {
var img = new Image();
img.src = "log.php?sev=" +
encodeURIComponent(sev) +
"&msg=" + encodeURIComponent(msg);
}
// usage
log(1, "Something bad happened.")
// Auto-log uncaught JS errors
window.onerror = funct...
Check if a key exists inside a json object
...bove is the JSON object I'm dealing with. I want to check if the 'merchant_id' key exists. I tried the below code, but it's not working. Any way to achieve it?
...
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...ies that need to count everything, even for joins, use *
SELECT boss.boss_id, COUNT(subordinate.*)
FROM boss
LEFT JOIN subordinate on subordinate.boss_id = boss.boss_id
GROUP BY boss.id
But don't use COUNT(*) for LEFT joins, as that will return 1 even if the subordinate table doesn't match anythi...
JavaScript blob filename without link
...a, fileName) {
var json = JSON.stringify(data),
blob = new Blob([json], {type: "octet/stream"}),
url = window.URL.createObjectURL(blob);
a.href = url;
a.download = fileName;
a.click();
window.URL.revokeObjectURL(url);
};
}());
var ...
'id' is a bad variable name in Python
Why is it bad to name a variable id in Python?
9 Answers
9
...
Ruby on Rails form_for select field with class
... Right on the money, thank you so much, that did the trick! I knew that it had to be something simple and of course it was.
– Patrick
Nov 2 '10 at 21:34
...
Difference between a user and a schema in Oracle?
...n (as in "Developers should discuss with the DBAs about the schema for our new application.")
Schema in sense 2. is similar, but not the same as schema in sense 1. E.g. for an application that uses several DB accounts, a schema in sense 2 might consist of several Oracle schemas :-).
Plus schema c...
Set custom attribute using JavaScript
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f11286661%2fset-custom-attribute-using-javascript%23new-answer', 'question_page');
}
);
...
What are the pros and cons of the leading Java HTML parsers? [closed]
...ng url = "http://stackoverflow.com/questions/3152138";
Document document = new Tidy().parseDOM(new URL(url).openStream(), null);
XPath xpath = XPathFactory.newInstance().newXPath();
Node question = (Node) xpath.compile("//*[@id='question']//*[contains(@class,'post-text')]//p[1]").evaluate(documen...
how to get last insert id after insert query in codeigniter active record
...he form fields into a MySQL table. I want to get the last auto-incremented id for the insert operation as the return value of my query but I have some problems with it.
...