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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...of the last sync (table sync_info). It will also create SQLite triggers in order to watch the INSERT or UPDATE on the tables you want to synchronize (to automatically insert the modified elements in the new_elem table):
DBSYNC.initSync(TABLES_TO_SYNC, webSqlDb, sync_info, 'http://www.myserver.com',...
PHPExcel auto size column width
...lumnDimension('G')->setWidth(35); the columns in the list may be of any order.
– Rosa Mystica
Dec 19 '17 at 9:57
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How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
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How to get the last N records in mongodb?
...
If I understand your question, you need to sort in ascending order.
Assuming you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will sort descending (newest to oldest.)
If you use the...
Does a `+` in a URL scheme/host/path represent a space?
... To get a literal + to be received by the back end (or, at least PHP) it has to be triple encoded: %25252B
– Umbrella
Sep 30 '15 at 15:01
11
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How do I do a not equal in Django queryset filtering?
... @danigosa That doesn't seem right. I just tried this myself, and the order of exclude and filter calls didn't make any meaningful difference. The order of the conditions in the WHERE clause changes, but how does that matter?
– coredumperror
Apr 7 '16 at 1...
How to set up a PostgreSQL database in Django
...://localhost/phppgadmin/
and login using the new user you've created, in order to view the database.
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How to parse an RSS feed using JavaScript?
...for entering feed url, then concatenate the property to include a value in order to parse whatever rss feed you wanted? for example, if I was dealing with multiple images, I could concatenate the string and value: document.getElementById('image').style.backgroundImage = "url('" + src + "')";
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Can anyone explain what JSONP is, in layman terms? [duplicate]
...p; xhr.status == 200) {
// success
};
};
xhr.open("GET", "somewhere.php", true);
xhr.send();
JSONP Request:
var tag = document.createElement("script");
tag.src = 'somewhere_else.php?callback=foo';
document.getElementsByTagName("head")[0].appendChild(tag);
The difference between a JSON...
How to pull a random record using Django's ORM?
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Using order_by('?') will kill the db server on the second day in production. A better way is something like what is described in Getting a random row from a relational database.
from django.db.models.aggregates import Count
from r...