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Difference between \n and \r?
...).
But seriously, there are many:
in Unix and all Unix-like systems, \n is the code for end-of-line, \r means nothing special
as a consequence, in C and most languages that somehow copy it (even remotely), \n is the standard escape sequence for end of line (translated to/from OS-specific sequence...
How to crop an image in OpenCV using Python
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edited Dec 19 '17 at 15:45
opyate
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spring boot default H2 jdbc connection (and H2 console)
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This is how I got the H2 console working in spring-boot with H2. I am not sure if this is right but since no one else has offered a solution then I am going to suggest this is the best way to do it.
In my case, I chose a speci...
How to test an Android Library Project
...that depends on the library and put the instrumentation in that project. This lets you create a self-contained project that contains both the tests/instrumentations and the code to test."
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How do I install from a local cache with pip?
...install a lot of the same packages in different virtualenv environments. Is there a way that I can download a package once and then have pip install from a local cache?
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How to match “anything up until this sequence of characters” in a regular expression?
Take this regular expression: /^[^abc]/ . This will match any single character at the beginning of a string, except a, b, or c.
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Spring Data: “delete by” is supported?
... JPA (>=1.7.x) query derivation for delete, remove and count operations is accessible.
public interface UserRepository extends CrudRepository<User, Long> {
Long countByFirstName(String firstName);
Long deleteByFirstName(String firstName);
List<User> removeByFirstName(S...
What is the difference between MacVim and regular Vim?
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MacVim is just Vim. Anything you are used to do in Vim will work exactly the same way in MacVim.
MacVim is more integrated in the whole OS than Vim in the Terminal or even GVim in Linux, it follows a lot of Mac OS X's conventions.
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AWS MySQL RDS vs AWS DynamoDB [closed]
...ainly Lookup queries (and not Join queries), DynamoDB (and other NoSQL DB) is better. If you need to handle a lot of data, you will be limited when using MySQL (and other RDBMS).
You can't reuse your MySQL queries nor your data schema, but if you spend the effort to learn NoSQL, you will add an im...
How to define Gradle's home in IDEA?
...dle project into IntelliJ, and when I get to the Gradle Home textbox, it is not automatically populated, nor will typing in the path of Gradle Home result in a valid location - I have the GRADLE_USER_HOME environment variable set (to what I think is!) the correct path, and I have been able to ...