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Comparing two dataframes and getting the differences
... lists, to do it efficiently we should first order them then compare them (converting the list to sets/hashing would also be fast; both are an incredible improvement to the simple O(N^2) double comparison loop
Note: the following code produces the tables:
df1=pd.DataFrame({
'Date':['2013-11-24...
Xcode Project vs. Xcode Workspace - Differences
...nd resources) actually belong to a product. When you build/run, you always select one specific target.
It is likely that you have a few targets that share code and resources. These different targets can be slightly different versions of an app (iPad/iPhone, different brandings,…) or test cases th...
Recover unsaved SQL query scripts
...gled for Retrieve unsaved Scripts and found a solution.
Run the following select script. It provides a list of scripts and its time of execution in the last 24 hours. This will be helpful to retrieve the scripts, if we close our query window in SQL Server management studio without saving the script...
Jackson Vs. Gson [closed]
...ns of Gson also include streaming reader
Tree model (DOM-like access); can convert between various models (tree <-> java object <-> stream)
Can use any constructors (or static factory methods), not just default constructor
Field and getter/setter access (earlier gson versions only used f...
Why should I use Deque over Stack?
...reason to use Dequeue over Stack is Dequeue has the ability to use streams convert to list with keeping LIFO concept applied while Stack does not.
Stack<Integer> stack = new Stack<>();
Deque<Integer> deque = new ArrayDeque<>();
stack.push(1);//1 is the top
deque.push(1)//1 ...
Debug code-first Entity Framework migration codes
... the top of my Configuration.Seed method. It causes a popup that lets you select your Visual Studio to debug the code. However, my system hangs when I select it (perhaps unrelated).
– Talon
Sep 12 '13 at 9:21
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Maven plugins can not be found in IntelliJ
...le artifacts. This can be done in "Settings > Maven > Repositories", select there your "Local" and simply click "Update".
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How to open Atom editor from command line in OS X?
...ot able to notice it. What I had to do was to remove the symlinks and then select the Install Shell Commands from the Atom menu. There was no need to restart the console as the atom command worked immediately after selecting the option. I ran sudo rm /usr/local/bin/atom and sudo rm /usr/local/bin/ap...
How to force Selenium WebDriver to click on element which is not currently visible?
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So much this for me. ALWAYS make sure your selection criteria is specific enough to the element you think you're interacting with. Many times I've had two elements at play and one is hidden and gives me this error.
– Chris
Jun 11...
Determine file creation date in Java
...cannot infer type-variable(s) A (argument mismatch; File cannot be converted to Path))
– Hooli
Sep 9 '16 at 15:50
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