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Optional Methods in Java Interface
From my understanding if you implement an interface in java, the methods specified in that interface have to be used by the sub classes implementing the said interface.
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
... enctype="multipart/form-data">
<input type="file" name="my_file[]" multiple>
<input type="submit" value="Upload">
</form>
<?php
if (isset($_FILES['my_file'])) {
$myFile = $_FILES['my_file'];
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How do I find a “gap” in running counter with SQL?
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In MySQL and PostgreSQL:
SELECT id + 1
FROM mytable mo
WHERE NOT EXISTS
(
SELECT NULL
FROM mytable mi
WHERE mi.id = mo.id + 1
)
ORDER BY
id
LIMIT 1
In SQL Server:
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
... an assembly reference?) Both using System.Web.Mvc; and the namespace for my custom AuthorizeAttribute class are referenced in the controller. To solve this I had to use [MyNamepace.Authorize]
– stormwild
Nov 13 '11 at 5:23
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When to use “ON UPDATE CASCADE”
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Just had to use ON UPDATE CASCADE myself to update primary keys in an old table which does not use an auto-incremented key
– BlueRaja - Danny Pflughoeft
May 27 '11 at 17:25
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Most Pythonic way to provide global configuration variables in config.py? [closed]
In my endless quest in over-complicating simple stuff, I am researching the most 'Pythonic' way to provide global configuration variables inside the typical ' config.py ' found in Python egg packages.
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How to change app name per Gradle build type
I am trying to figure out a way to be able to change my application's app name per build type in gradle.
10 Answers
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How can I get Express to output nicely formatted HTML?
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Worked here - thanks! In my case I didn't have the 'env' var set. You can add it to the main .js file with this one line : process.env.NODE_ENV = 'development';
– Gene Bo
Jun 1 '15 at 17:21
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Immutable vs Mutable types
...loat object is considered to be immutable, with this type of example from my book:
16 Answers
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How to add a progress bar to a shell script?
... This is beautiful. Great job man. I'm definitely going to use this in all my bash scripts haha
– Chirag
Aug 10 '17 at 20:43
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