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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
Lets say we are using Laravel's query builder:
6 Answers
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How to use the pass statement?
I am in the process of learning Python and I have reached the section about the pass statement. The guide I'm using defines it as being a Null statement that is commonly used as a placeholder.
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Why does one hot encoding improve machine learning performance?
... and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance increase happen?
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git diff renamed file
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The issue with the difference between HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git dif...
Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
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Array.push() if does not exist?
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scunliffe
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answered Jan 1 '10 at 11:12
Darin DimitrovDarin Dimitr...
Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
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Where and why do I have to put the “template” and “typename” keywords?
...or not. The following example demonstrates that:
t * f;
How should this be parsed? For many languages a compiler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does. In C++, the above however can yield vastly different interpretations de...
RegEx for Javascript to allow only alphanumeric
... everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Showing which files have changed between two revisions
I want to merge two branches that have been separated for a while and wanted to know which files have been modified.
18 Ans...