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Using group by on multiple columns
...ues in a given column
COUNT(*) returns the number of rows in a table
SQL script examples about using aggregate functions:
Let's say we need to find the sale orders whose total sale is greater than $950. We combine the HAVING clause and the GROUP BY clause to accomplish this:
SELECT
orderId, S...
How to get Locale from its String representation in Java?
...ged), although the variant field will have additional information in it if script or extensions are present.
Use Locale.forLanguageTag and Locale.toLanguageTag instead, or if you must, Locale.Builder.
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Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...ro offset) at the end of UTC datetime object's isoformat string unlike JavaScript?
12 Answers
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Removing Data From ElasticSearch
...knowledge, no. You could put 3 modified curl -XDELETE commands into a bash script and execute or run 3 one after the other.
– Nathan Smith
Jul 8 '15 at 10:39
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OS X: equivalent of Linux's wget
How can I do an HTTP GET from a Un*x shell script on a stock OS X system? (installing third-party software is not an option, for this has to run on a lot of different systems which I don't have control on).
...
Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?
...s = file_get_contents($urlquery); with $xmlresults = curl($urlquery);. PHP Script ran it just fine with the same results as file_get_contents(). Running it as PHP Web Page via localhost/tutorial/retrieve_website.php and I get this error: Fatal error: Call to undefined function curl_init() in C:\xamp...
Combine the first two commits of a Git repository?
...ractical and slow, just due to the large number of commits that the rebase script has to process twice, once to generate the interactive rebase editor list (where you select what action to take for each commit), and once to actually execute the re-application of commits.
Here is an alternative solu...
SQL Server Linked Server Example Query
...wn to a table in a Linked Server in SSMS Object Explorer, right-click, and Script Table as, SELECT To, and New Query Editor Window. The resulting SELECT statement will include the correct, fully-qualified path to the table. I had a mystery database qualifier in working with Sybase and this gave me t...
Find and Replace text in the entire table using a MySQL query
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Oh man this worked great! I will share my scripts based on this idea
– Andy
Nov 3 '17 at 17:40
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Adding a Method to an Existing Object Instance
... @MartijnPieters any advantages of using the descriptor protocol vs creating a MethodType aside of maybe being a little more readable.
– EndermanAPM
May 10 '17 at 7:57
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