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How to check for Is not Null And Is not Empty string in SQL server?
...ou only want to match "" as an empty string
WHERE DATALENGTH(COLUMN) > 0
If you want to count any string consisting entirely of spaces as empty
WHERE COLUMN <> ''
Both of these will not return NULL values when used in a WHERE clause. As NULL will evaluate as UNKNOWN for these rather...
View entire check in history TFS
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edited Oct 13 '10 at 0:35
Preet Sangha
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Is there a recommended way to return an image using ASP.NET Web API
...e be in a using too?
– dibs487
Jan 30 '17 at 15:35
Where is GetImage method?
– Yoda
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How do I revert to a previous package in Anaconda?
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I had to use the install function instead:
conda install pandas=0.13.1
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How to define two fields “unique” as couple
...ple:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=True)
journal_id = models.Foreign...
Why does direction of index matter in MongoDB?
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edited Apr 21 '13 at 18:09
shlensky
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answered Apr 26 '12 at 9...
Table Header Views in StoryBoards
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answered Nov 8 '11 at 16:02
Mr RogersMr Rogers
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Create array of symbols
...iginal answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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What's the need of array with zero elements?
...lloc(sizeof(*var) + extra);
You can access var->data with indices in [0, extra). Note that sizeof(struct something) will only give the size accounting for the other variables, i.e. gives data a size of 0.
It may be interesting also to note how the standard actually gives examples of mallocin...
Running python script inside ipython
...er, works on IPython.
– rotton
Feb 20 at 8:45
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