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How to define a custom ORDER BY order in mySQL
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Execute method on startup in Spring
...e application starts for the first time? I know that I can do the trick of setting a method with @Scheduled annotation and it executes just after the startup, but then it will execute periodically.
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How to append text to an existing file in Java?
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You can use fileWriter with a flag set to true , for appending.
try
{
String filename= "MyFile.txt";
FileWriter fw = new FileWriter(filename,true); //the true will append the new data
fw.write("add a line\n");//appends the string to the file
f...
Find first element in a sequence that matches a predicate
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Convert a date format in PHP
I am trying to convert a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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Shards and replicas in Elasticsearch
... | | 3R | | 4 | | 5 |
|____| |____| |____| |____| |____|
With a setup like this, if a node goes down, you still have the whole index. The replica shards will automatically become primaries and the cluster will work properly despite the node failure, as follows:
____ ____ ____ _...
How to apply a patch generated with git format-patch?
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How to use wait and notify in Java without IllegalMonitorStateException?
I have 2 matrices and I need to multiply them and then print the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to mak...
clear table jquery
I have an HTML table filled with a number of rows.
10 Answers
10
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How to calculate a logistic sigmoid function in Python?
This is a logistic sigmoid function:
14 Answers
14
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