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Efficiently updating database using SQLAlchemy ORM
...tements don't affect the objects that are in your session.
So if you say
for c in session.query(Stuff).all():
c.foo = c.foo+1
session.commit()
it will do what it says, go fetch all the objects from the database, modify all the objects and then when it's time to flush the changes to the datab...
Jquery select all elements that have $jquery.data()
... WRONG! correct solution : $('[data-myAttr]') -- see the answer below for explanation
– BassMHL
Jun 13 '15 at 2:19
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Web workers without a separate Javascript file?
...upported in latest Firefox/WebKit/Opera and IE10, see compatibility tables for older browsers.
– Félix Saparelli
Jan 19 '13 at 9:42
...
HTML5 dragleave fired when hovering a child element
...ind({
dragenter: function(ev) {
ev.preventDefault(); // needed for IE
counter++;
$(this).addClass('red');
},
dragleave: function() {
counter--;
if (counter === 0) {
$(this).removeClass('red');
}
}
});
Note: In the drop e...
Getting an object from an NSSet
...
There are several use cases for a set. You could enumerate through (e.g. with enumerateObjectsUsingBlock or NSFastEnumeration), call containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no par...
Best practice using NSLocalizedString
...uto-completion on these most common translations, and use "manual" strings for the specific ones, which would only occur once anyway.
I hope you'll be more productive with Cocoa localization with these tips!
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Re-sign IPA (iPhone)
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Finally got this working!
Tested with a IPA signed with cert1 for app store submission with no devices added in the provisioning profile. Results in a new IPA signed with a enterprise account and a mobile provisioning profile for in house deployment (the mobile provisioning profile gets...
Regex replace uppercase with lowercase letters
...per. very useful. Could you please point to some resource that lists transformations like '\L' ?
– Codious-JR
Apr 3 '16 at 10:49
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Email Address Validation in Android on EditText [duplicate]
How can we perform Email Validation on edittext in android ? I have gone through google & SO but I didn't find out a simple way to validate it.
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Routing with Multiple Parameters using ASP.NET MVC
Our company is developing an API for our products and we are thinking about using ASP.NET MVC. While designing our API, we decided to use calls like the one below for the user to request information from the API in XML format:
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