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how to remove the dotted line around the clicked a element in html
...ter?), remove the outline for just that link (while also resetting any and all links back to have an outline right before said removal ... else things get cumulatively stuck being unoutlined). This temporarily removes the outline from the last clicked element while keeping it on others, so you can s...
About Java cloneable
...tions, like apache-commons SerializationUtils (deep-clone) or BeanUtils (shallow-clone), or simply use a copy-constructor.
See here for the views of Josh Bloch about cloning with Cloneable, which explains the many drawbacks of the approach. (Joshua Bloch was a Sun employee, and led the development ...
AttributeError: 'module' object has no attribute
...ave mutual top-level imports, which is almost always a bad idea.
If you really must have mutual imports in Python, the way to do it is to import them within a function:
# In b.py:
def cause_a_to_do_something():
import a
a.do_something()
Now a.py can safely do import b without causing pro...
LINQ To Entities does not recognize the method Last. Really?
...
That limitation comes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then do a First(), which is what you di...
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...
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?
...
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...
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 ...
How do you create a dictionary in Java? [closed]
...
@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...