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Is there any performance gain in indexing a boolean field?
... isok is a boolean field (actually a TINYINT(1) UNSIGNED that is set to 0 or 1 as needed).
7 Answers
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How does strtok() split the string into tokens in C?
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Simon
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answered Oct 8 '10 at 11:33
Sachin ShanbhagSach...
Retaining file permissions with Git
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answered Jul 8 '10 at 21:28
VonCVonC
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How do I alter the position of a column in a PostgreSQL database table?
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108
"Alter column position" in the PostgreSQL Wiki says:
PostgreSQL currently defines column
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How do I show the changes which have been staged?
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Robert Harvey
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answered Oct 19 '09 at 10:07
CB BaileyCB Bailey
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Best way to encode text data for XML in Java?
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answered Jan 13 '09 at 15:18
Jon SkeetJon Skeet
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How to implement an ordered, default dict? [duplicate]
...faultOrderedDict(OrderedDict):
# Source: http://stackoverflow.com/a/6190500/562769
def __init__(self, default_factory=None, *a, **kw):
if (default_factory is not None and
not isinstance(default_factory, Callable)):
raise TypeError('first argument must be callab...
Is it possible to put CSS @media rules inline?
...:
span { background-image: url(particular_ad.png); }
@media (max-width: 300px) {
span { background-image: url(particular_ad_small.png); }
}
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Java enum - why use toString instead of name
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202
It really depends on what you want to do with the returned value:
If you need to get the exac...
How to add items to a spinner in Android?
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XML file:
<Spinner
android:id="@+id/Spinner01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
Java file:
public class SpinnerExample extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
...