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Count the number of occurrences of a string in a VARCHAR field?
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answered Sep 10 '12 at 2:56
yannisyannis
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NULL values inside NOT IN clause
...had one null value (bad data) which caused that query to return a count of 0 records. I sort of understand why but I could use some help fully grasping the concept.
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How to check if IEnumerable is null or empty?
...vell
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12
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Pointers in C: when to use the ampersand and the asterisk?
... of integers
int i = *a; // the value of the first element of a
int i2 = a[0]; // another way to get the first element
To get the second element:
int a[2]; // array
int i = *(a + 1); // the value of the second element
int i2 = a[1]; // the value of the second element
So the [] indexing operator...
Android 4.3 Bluetooth Low Energy unstable
...hread on Samsung Galaxy S3 with Android 4.3 (at least for build JSS15J.I9300XXUGMK6)
Most devices filter advertising
Better not use android.bluetooth.BluetoothAdapter#startLeScan(UUID[] serviceUuids, LeScanCallback callback) with the parameter to filter for certain service UUIDs because this is bro...
Maven error “Failure to transfer…”
...ext box.
– rajah9
Oct 24 '12 at 13:50
5
In windows, those files are located inside <user-dir&g...
Android Studio: how to attach Android SDK sources?
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answered Jan 19 '14 at 20:01
pyus13pyus13
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Django filter queryset __in for *every* item in list
...d('Tag')
class Tag(models.Model):
name = models.CharField(max_length=50)
def __unicode__(self):
return self.name
In [2]: t1 = Tag.objects.create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags....
Getting MAC Address
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answered Oct 1 '08 at 19:06
Armin RonacherArmin Ronacher
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Detecting syllables in a word
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answered Jan 1 '09 at 17:17
jasonjason
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