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Entity Framework: table without primary key
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Composite keys can also be done with Entity Framework Fluent API
public class MyModelConfiguration : EntityTypeConfiguration<MyModel>
{
public MyModelConfiguration()
{
ToTable("MY_MODEL_TABLE");
HasKey(x => new { x.SourceId, x.StartDate, x.EndDate,...
Checking user's homepage in Internet Explorer
...ailed on this MSDN page. That links to this example page demonstrating the API.
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Django - filtering on foreign key properties
...tion has this and other examples of following Foreign Keys using the Model API.
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How to do a scatter plot with empty circles in Python?
...t with errorbars but it works for markers in general
http://matplotlib.org/api/_as_gen/matplotlib.axes.Axes.errorbar.html
fillstyle accepts the following values: [‘full’ | ‘left’ | ‘right’ | ‘bottom’ | ‘top’ | ‘none’]
There are two important things to keep in mind when usin...
Should I Stop Stopwatch at the end of the method?
...ork, Mono, .NET Core), it just calls the QueryPerformanceCounter() Windows API when needed (on Start() and Stop() and when reading Elapsed) to retrieve a high resolution time stamp.
In Linux implementations of Mono and .NET Core, it uses clock_gettime function to retrieve a monotonic increasing tim...
Unique fields that allow nulls in Django
...egrity. Data may be entered via import scripts, from the shell, through an API or any other means. Much better to override the save() method than to make custom cases for every form that might touch the data.
– shacker
Jul 27 '16 at 18:36
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PHP code to remove everything but numbers
...y (in the days before (?flags)) the people who designed/wrote the function/API thought it was a good idea to pass the regex flags with the double quoted /flags form instead of using an extra function parameter.
– Qtax
Jul 7 '11 at 0:28
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
...o $dt->diffForHumans();
more examples: http://carbon.nesbot.com/docs/#api-humandiff
Pros of this solution:
it works for future dates and will return something like in 2 months etc.
you can use localization to get other languages and the pluralization works fine
if you will start using Carbon...
Why is it slower to iterate over a small string than a small list?
...(which is also boring for similar reasons, assuming the macros (Something_CAPITALIZED) are all fast),
#define PyUnicode_READ(kind, data, index) \
((Py_UCS4) \
((kind) == PyUnicode_1BYTE_KIND ? \
((const Py_UCS1 *)(data))[(index)] : \
((kind) == PyUnicode_2BYTE_KIND ? \
...
Best way to determine user's locale within browser
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From MDN developer.mozilla.org/en-US/docs/Web/API/NavigatorLanguage/… "The Accept-Language HTTP header in every HTTP request from the user's browser uses the same value for the navigator.languages property except for the extra qvalues (quality values) field (e.g. en-US...