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Django CharField vs TextField
...nce among these three types", but AFAIK there are some differences in e.g. MySQL, so this is something to keep in mind.
A good rule of thumb is that you use CharField when you need to limit the maximum length, TextField otherwise.
This is not really Django-specific, also.
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
... Yes, this is exactly how I've used Lucene in the past with older SQL and MySql datastores (storing IDs in Lucene, and retrieving the complex types from the datastore). Technically though, this question was to explore the differences between the two - not exactly how to use the "best of both world...
How to find corresponding log files folder for a web site?
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It's also shown on the root Sites node, in the listing.
– Josh M.
Feb 3 '17 at 14:53
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How do you serialize a model instance in Django?
... And how about serializing all referenced objects along with the root object?
– paweloque
Oct 8 '11 at 0:39
1
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Unable to find valid certification path to requested target - error even after cert imported
...) - and the fact that your own identity also has a 'chain' of trust to the root - which is separate from any chain to a root you need to figure out 'who' you trust.
all turn on all debugging
ssl turn on ssl debugging
The following can be used with ssl:
record enab...
Peak detection in a 2D array
...een studied in some depth by physicists. There is a good implementation in ROOT. Look at the TSpectrum classes (especially TSpectrum2 for your case) and the documentation for them.
References:
M.Morhac et al.: Background elimination methods for multidimensional coincidence gamma-ray spectra. Nucl...
Strings as Primary Keys in SQL Database [closed]
...Good explanation. But holds this true for all SQL databases? I've heard of MySQL performance issues when using random UUID as primary key.
– hgoebl
Aug 27 '17 at 11:08
add a c...
How to remove “index.php” in codeigniter's path
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If you are using Apache place a .htaccess file in your root web directory containing the following:
RewriteEngine on
RewriteCond $1 !^(index\.php|[Javascript / CSS / Image root Folder name(s)]|robots\.txt)
RewriteRule ^(.*)$ /index.php/$1 [L]
Another good version is located he...
Copy values from one column to another in the same table
...ble name and it's surrounded by grave accent (aka back-ticks `) as this is MySQL convention to escape keywords (and TABLE is a keyword in that case).
BEWARE, that this is pretty dangerous query which will wipe everything in column test in every row of your table replacing it by the number (regardle...
Where do the Python unit tests go?
...tion for my problem, with Python2.6 or newer, us to run the tests from the root of your project using: python -m project.package.tests.module_tests (instead of python project/package/tests/module_tests.py). This puts the test module's directory on the path, so the tests can then do a relative impor...