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Django CharField vs TextField
... nit: the Django docs recommend: Avoid using null on string-based fields such as CharField and TextField: docs.djangoproject.com/en/2.0/ref/models/fields/#null so it's best to keep null=False.
– modulitos
Jan 15 '19 at 22:27
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_csv.Error: field larger than field limit (131072)
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On Windows 7 64bit with Python 2.6, maxInt = sys.maxsize returns 9223372036854775807L which consequently results in a TypeError: limit must be an integer when calling csv.field_size_limit(maxInt). Interestingly, using maxInt = int(sys.max...
Python dictionary: Get list of values for list of keys
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A little speed comparison:
Python 2.7.11 |Anaconda 2.4.1 (64-bit)| (default, Dec 7 2015, 14:10:42) [MSC v.1500 64 bit (AMD64)] on win32
In[1]: l = [0,1,2,3,2,3,1,2,0]
In[2]: m = {0:10, 1:11, 2:12, 3:13}
In[3]: %timeit [m[_] for _ in l] # list comprehension
1000000 loops, best of 3...
JavaScript implementation of Gzip [closed]
... jsxcompressor.js file in your project and then you will be able to read a base 64 encoded gzipped data:
<!doctype html>
</head>
<title>Test gzip decompression page</title>
<script src="jsxcompressor.js"></script>
</head>
<body>
<script>
doc...
Best practices for circular shift (rotate) operations in C++
...motion rules mean that rotl_template(u16 & 0x11UL, 7) would do a 32 or 64-bit rotate, not 16 (depending on the width of unsigned long). Even uint16_t & uint16_t is promoted to signed int by C++'s integer-promotion rules, except on platforms where int is no wider than uint16_t.
On x86, th...
Why in C++ do we use DWORD rather than unsigned int? [duplicate]
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164
DWORD is not a C++ type, it's defined in <windows.h>.
The reason is that DWORD has a spe...
Where is SQL Server Management Studio 2012?
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Just download SQLEXPRWT_x64_ENU.exe from Microsoft Downloads - SQL Server® 2012 Express with SP1
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Best practices for styling HTML emails [closed]
... not mean to add images as attachments, instead they should be included as base64-encoded strings to replace the url referenced in "normal" <img> tags, like so: <img alt="Embedded Image" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIA...">
– Timo
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byte + byte = int… why?
...-value-of-some-bit-length.
In other words, this decision must have been based on perception of what the byte type is for, not due to underlying inefficiencies of hardware.
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Is there a simple way to remove multiple spaces in a string?
... ', ' ')
Tests run on a laptop with an i5 processor running Windows 7 (64-bit).
timeit.Timer(stmt = test, setup = setup).repeat(7, 1000)
test_string = 'The fox jumped over\n\t the log.' # trivial
Python 2.7.3, 32-bit, Windows
test | minum | maximum | average ...