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How to select unique records by SQL
...ng allows you to add aggregated data, like the min(id), max(id), count(*), etc:
SELECT word, num, min(id), max(id), count(*)
FROM dupes
GROUP BY word, num
ORDER BY word, num;
/*
word|num|min|max|count|
----|---|---|---|-----|
aaa |100| 1| 9| 2|
bbb |200| 2| 5| 2|
bbb |400| 4| 8| ...
Installing python module within code
...n my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
...
Rails DB Migration - How To Drop a Table?
...op. Migration is broken after running this command. Can not CREATE, DROP...ETC. ERROR SQLite3::SQLException: no such table: accruals: DROP TABLE "sometable"
– zee
Aug 23 '17 at 14:13
...
Android studio - Failed to find target android-18
...ets']
}
// Move the tests to tests/java, tests/res, etc...
instrumentTest.setRoot('tests')
// Move the build types to build-types/<type>
// For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ..
// This...
How to split the name string in mysql?
...'s a bunch of cool things you can do with substr, locate, substring_index, etc. Check the manual for some real confusion. http://dev.mysql.com/doc/refman/5.0/en/string-functions.html
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improv...
What is the difference between Python and IPython?
...ebook. You can put all your work into a notebook like script, image files, etc. But with base Python, you can only make the script in a file and execute it.
At start, you need to understand that the IPython is developed with the intention of supporting rich media and Python script in a single integ...
LINQ: Select an object and change some properties without creating a new object
...his allows you to know the position of the item in your list, enumeration, etc. without having to modify the existing class and then knowing whether you're at the first item in the list or the last.
foreach (Item item in this.Items
.Select((x, i) => {
x.ListIndex = i;
x.IsFirst = i =...
JUnit: how to avoid “no runnable methods” in test utils classes
...s then better remove *Test from the class rename it is MyTestUtil or Utils etc.
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
... are inherent to dates and times (leap years, daylight savings, timezones, etc.).
It's generally a good idea to deal only with long timestamps or Date objects within your application, and only use Calendar when you actually need to perform date/time calculations, or to format dates for displaying t...
How to call a PHP function on the click of a button
...
i did but just realized that //code.jquery.com/...etc doesn't load on localhost, https:// does! code works fine sorry my mistake.
– Benjamin
May 28 '15 at 5:55
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