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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...roblems where a RDBMS is not a viable solution, for all other things I use MySQL (or SQLite for testing).
If you need a NoSQL db you usually know about it, possible reasons are:
client wants 99.999% availability on
a high traffic site.
your data makes
no sense in SQL, you find yourself
doing mult...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
...oryBot.define do
factory :user do
avatar { fixture_file_upload(Rails.root.join('spec', 'photos', 'test.png'), 'image/png') }
end
end
In the above example, spec/photos/test.png needs to exist in your application's root directory before running your tests.
Note, that FactoryBot is a new nam...
How to run a shell script at startup
...
there is no rc.d directory in my root's etc folder.. this has me dumbfounded isn't this a crucial directory Linux needs to start up? It's just missing an my OS seems to run fine. Do I have to create it? I see a bunch of similarly named files like "rc1.d" all...
T-SQL: Selecting rows to delete via joins
...
In MySQL you would get an error "Unknown table 'TableA' in MULTI DELETE" and that is because you declared an alias for TableA (a). Small adjustment: DELETE a FROM TableA a INNER JOIN TableB b on b.Bid = a.Bid and [my filter cond...
How to force the browser to reload cached CSS/JS files?
...($file)
{
if(strpos($file, '/') !== 0 || !file_exists($_SERVER['DOCUMENT_ROOT'] . $file))
return $file;
$mtime = filemtime($_SERVER['DOCUMENT_ROOT'] . $file);
return preg_replace('{\\.([^./]+)$}', ".$mtime.\$1", $file);
}
Now, wherever you include your CSS, change it from this:
<lin...
Gradle buildscript dependencies
...ng repositories in the buildScript section of the gradle build or in the root level of the build.
3 Answers
...
How does one parse XML files? [closed]
... specific element, you can access child elements with the indexer: xmlDoc["Root"], and these can be chained: xmlDoc["Root"]["Folder"]["Item"] to dig down the hierarchy (although it's sensible to validate that these elements actually exist)
– Jason Williams
Mar ...
How to check if a float value is a whole number
I am trying to find the largest cube root that is a whole number, that is less than 12,000.
13 Answers
...
How to fix “ImportError: No module named …” error in Python?
...
So whats the point then of having init.py in the root folder? It seems to serve no purpose if you edit either sys.path or the pythonpath.
– user1980175
Jan 4 '14 at 23:13
...
Git alias with positional parameters
...ou use stronger magic like this.
UPD
Because commands are executed at the root of repository you may use ${GIT_PREFIX} variable when referring to the file names in commands
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