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Find index of last occurrence of a substring in a string
I want to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers...
How to POST raw whole JSON in the body of a Retrofit request?
...s hint, and as stated by Square:
An object can be specified for use as an HTTP request body with the @Body annotation.
The object will also be converted using a converter specified on the Retrofit instance. If no converter is added, only RequestBody can be used.
So this is an option using RequestB...
Sorting arrays in NumPy by column
How can I sort an array in NumPy by the nth column?
13 Answers
13
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How to get the list of all installed color schemes in Vim?
Is there a way to get a list of all installed color schemes in Vim? That would make very easy to select one without looking at the .vim directory.
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Converting Secret Key into a String and Vice Versa
...way. This is what helped me. Might help you too.
Links:
*.getEncoded(): https://docs.oracle.com/javase/7/docs/api/java/security/Key.html
Encoder information: https://docs.oracle.com/javase/8/docs/api/java/util/Base64.Encoder.html
Decoder information: https://docs.oracle.com/javase/8/docs/api/ja...
What does $$ mean in the shell?
I once read that one way to obtain a unique filename in a shell for temp files was to use a double dollar sign ( $$ ). This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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Print “hello world” every X seconds
Lately I've been using loops with large numbers to print out Hello World :
14 Answers
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Bash Script : what does #!/bin/bash mean? [duplicate]
In bash script, what does #!/bin/bash at the 1st line mean ?
3 Answers
3
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SQL “between” not inclusive
I have a query like this:
8 Answers
8
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What's wrong with overridable method calls in constructors?
...y between the constructor and the method.
Have a look on this sample link http://www.javapractices.com/topic/TopicAction.do?Id=215
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