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List comprehension rebinds names even after scope of comprehension. Is this right?
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Also note that now in 2.7, set and dictionary comprehensions (and generators) have private scopes, but list comprehensions still don't. While this makes some sense in that the former were all back-ported from Python 3, it really makes the c...
Get user info via Google API
...umara you could have edited it yourself, but don't worry as I have done it now. For all we know they could have omitted the code define(email, 'email') ;)
– verbumSapienti
Apr 23 '14 at 13:03
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...en create the schema migration:
manage.py schemamigration fooapp --auto
Now you have two transactions and the migration in two steps should work.
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How do you avoid over-populating the PATH Environment Variable in Windows?
I would like to know what are the approaches that you use to manage the executables in your system. For example I have almost everything accessible through the command line, but now I come to the limit of the path string, so i can't add any more dir.
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How JavaScript closures are garbage collected
...ndow.f_ = f();
window.f_('some');
In example above the GC has no way of knowing if the variable is used or not (code tested and works in Chrome30, FF25, Opera 12 and IE10).
The memory is released if the reference to the object is broken by assigning another value to window.f_.
In my opinion this...
is it possible to change values of the array when doing foreach in javascript?
....forEach(function(part, index) {
arr[index] = "four";
});
alert(arr);
Now if array arr was an array of reference types, the following code will work because reference types store a memory location of an object instead of the actual object.
var arr = [{ num : "one" }, { num : "two"}, { num : "t...
Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...e invoked if stepOne rejects (it's the first function in the chain, so we know that if the chain is rejected at this point, it can only be because of that function's promise).
The important change is that the error handlers for the other functions are not part of the main promise chain. Instead, ea...
How do I remove the space between inline/inline-block elements?
... <li>Item 1
<li>Item 2
<li>Item 3
</ul>
Now that I've gone and bored you to death with "one thousand different ways to remove whitespace, by thirtydot", hopefully you've forgotten all about font-size: 0.
Alternatively, you can now use flexbox to achieve many of ...
The bare minimum needed to write a MSMQ sample application
...essage m1 = new MyMessage.MyMessage();
m1.BornPoint = DateTime.Now;
m1.LifeInterval = TimeSpan.FromSeconds(5);
m1.Text = "Command Start: " + DateTime.Now.ToString();
messageQueue.Send(m1);
}
}
}
2. MessageFrom (Windows Form) Add 1 richte...
Android Min SDK Version vs. Target SDK Version
...at splitting and using multiple APKs is worse in terms of code complexity. Now you've got to remember to comment in/out or merge through more branches in your source control before you can make each export. When at an Android conference last October, they said they introduced the multiple APK system...