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How to get the currently logged in user's user id in Django?
...rs = [{user.id: user.get_name()} for user in logged_in_users]
# Query all logged in staff users based on id list
all_staff_users = CustomUser.objects.filter(is_resident=False, is_active=True, is_superuser=False)
logged_out_users = list()
# for some reason exclude() would not work co...
Is short-circuiting logical operators mandated? And evaluation order?
... argument list, without an implied sequence point between them.
It is usually not recommended to overload these operators in C++ unless you have a very specific requirement. You can do it, but it may break expected behaviour in other people's code, especially if these operators are used indirectly...
“User interaction is not allowed” trying to sign an OSX app using codesign
...t-click, choose Get Info, change to the Access Control tab and select the "Allow all applications to access this item".
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Ways to save enums in database
...nd it is much more worth it to help when you're having a problem.
Additionally, if you use numerical values, you are tied to them. You cannot nicely insert or rearrange the members without having to force the old numerical values. For example, changing the Suit enumeration to:
public enum Suit { U...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...ne it in some other class, you have to refer to it with its namespace. Actually, it does not have to be a constant.
Splat Operator
The splat operator * "unpacks" an array in its position so that
rescue *EXCEPTIONS
means the same as
rescue FooException, BarException
You can also use it withi...
Do the parentheses after the type name make a difference with new?
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Let's get pedantic, because there are differences that can actually affect your code's behavior. Much of the following is taken from comments made to an "Old New Thing" article.
Sometimes the memory returned by the new operator will be initialized, and sometimes it won't depending on wh...
How do I migrate a model out of one django app and into a new one?
... that one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one?
...
Android 4.3 Bluetooth Low Energy unstable
...ect and create a fresh instance of gatt on each connect.
Don't forget to call android.bluetooth.BluetoothGatt#close()
Start a new thread inside onLeScan(..) and then connect. Reason: BluetoothDevice#connectGatt(Context context, boolean autoConnect, BluetoothGattCallback callback) always fails, if ...
What is the purpose of the var keyword and when should I use it (or omit it)?
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Is "not really much difference" == "No Difference"?
– Alex
Sep 24 '09 at 8:56
65
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How do you create a dictionary in Java? [closed]
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@arshajii i have a doubt we manually map all the strings in the dictionary or i can say that we manually storing the meaning of all words. So my question is, is there any way like db (dump) files of dictionary to fetch the words and their meaning/definition...