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What is the id( ) function used for?
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Your post asks several questions:
What is the number returned from the function?
It is "an integer (or long integer) which is guaranteed to be unique and constant for this object during its lifetime." (Python Standard Library - Bu...
Java 8 Lambda function that throws exception?
I know how to create a reference to a method that has a String parameter and returns an int , it's:
25 Answers
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SQL Server: Is it possible to insert into two tables at the same time?
...database contains three tables called Object_Table , Data_Table and Link_Table . The link table just contains two columns, the identity of an object record and an identity of a data record.
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Java String - See if a string contains only numbers and not letters
...ent to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
17 Answers
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...olved significantly several times, but hardware is required to maintain backwards compatibility with old binaries. For example, modern x86 hardware still contains support for running 16 bit code natively. Additionally, several memory-addressing models exist to allow older code to inter-operate on th...
How can I join elements of an array in Bash?
If I have an array like this in Bash:
30 Answers
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How to get the list of files in a directory in a shell script?
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l0b0
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answered Mar 13 '10 at 6:08
Ignacio Vazquez...
Setting an environment variable before a command in Bash is not working for the second command in a
...ntil further notice.Paused until further notice.
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find vs find_by vs where
...ption being thrown.
Other uses of find are usually replaced with things like this:
Model.all
Model.first
find_by is used as a helper when you're searching for information within a column, and it maps to such with naming conventions. For instance, if you have a column named name in your database...
How to jump from Intellij terminal to editor with shortcut
I know that you can jump from almost all windows in Intellij IDEA to the editor window with Esc . In Intellij's terminal window, this does not work. Does anyone know how to do this with a keyboard shortcut? This would be nice since I can jump from my editor to the terminal with Alt + F12 but I ca...