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Assigning code to a variable
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Commenting code in Notepad++
... rights, and with notepad++ closed). Add commentLine="--" to the language settings for SQL.
– vicsz
Apr 21 '11 at 17:10
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Fastest way to count exact number of rows in a very large table?
I have come across articles that state that SELECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
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Can I delete a git commit but keep the changes?
In one of my development branches, I made some changes to my codebase. Before I was able to complete the features I was working on, I had to switch my current branch to master to demo some features. But just using a "git checkout master" preserved the changes I also made in my development branch, th...
How to print the values of slices
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What is lazy loading in Hibernate?
...is saves the cost of preloading/prefilling all the entities in a large dataset beforehand while you after all actually don't need all of them.
In Hibernate, you can configure to lazily load a collection of child entities. The actual lazy loading is then done inside the methods of the PersistentSet ...
Understanding MongoDB BSON Document size limit
... you have enough RAM for your entire database ... Typically the "working set" is in RAM, not the whole database (like in my case I have more than one x GBs databases where if all added up would exceed my RAM, but that's okay because the working set is much, much smaller.) Also, if there was no l...
Stream vs Views vs Iterators
...sk for the next element.
Scala used to provide iterators which could be reset, but that is very hard to support in a general manner, and they didn't make version 2.8.0.
Views are meant to be viewed much like a database view. It is a series of transformation which one applies to a collection to pro...
Oracle SQL Query for listing all Schemas in a DB
I wanted to delete some unused schemas on our oracle DB.
7 Answers
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
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The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).
This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local dir...