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How to check an Android device is HDPI screen or MDPI screen?
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6 Answers
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Active
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Get the first element of each tuple in a list in Python [duplicate]
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196
Use a list comprehension:
res_list = [x[0] for x in rows]
Below is a demonstration:
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PHP convert XML to JSON
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Ali Khaki
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answered Oct 15 '13 at 21:36
Antonio MaxAntonio Ma...
How to get all registered routes in Express?
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laconbass
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answered Feb 18 '13 at 11:11
Golo RodenGolo Roden
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Storing SHA1 hash values in MySQL
...gth data, but not with fixed length data. Because a SHA-1 value is always 160 bit long, the VARCHAR would just waste an additional byte for the length of the fixed-length field.
And I also wouldn’t store the value the SHA1 is returning. Because it uses just 4 bit per character and thus would need...
How to plot two columns of a pandas data frame using points?
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116
You can specify the style of the plotted line when calling df.plot:
df.plot(x='col_name_1', y='...
Can PostgreSQL index array columns?
..."Column1" @> ARRAY[20];
Result:
Bitmap Heap Scan on "Test" (cost=4.26..8.27 rows=1 width=32) (actual time=0.014..0.015 rows=2 loops=1)
Recheck Cond: ("Column1" @> '{20}'::integer[])
-> Bitmap Index Scan on idx_test (cost=0.00..4.26 rows=1 width=0) (actual time=0.009..0.009 rows=2 ...
SQL Server - Create a copy of a database table and place it in the same database?
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216
Use SELECT ... INTO:
SELECT *
INTO ABC_1
FROM ABC;
This will create a new table ABC_1 that ha...