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“implements Runnable” vs “extends Thread” in Java
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Jon SkeetJon Skeet
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“Prevent saving changes that require the table to be re-created” negative effects
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answered Aug 3 '12 at 19:58
Aaron BertrandAaron Bertrand
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How do I modify fields inside the new PostgreSQL JSON datatype?
...json_object_agg().
Original answer: It is possible (without plpython or plv8) in pure SQL too (but needs 9.3+, will not work with 9.2)
CREATE OR REPLACE FUNCTION "json_object_set_key"(
"json" json,
"key_to_set" TEXT,
"value_to_set" anyelement
)
RETURNS json
LANGUAGE sql
IMMU...
UIButton Long Press Event
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answered May 30 '11 at 18:27
Deepak DanduproluDeepak Danduprolu
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What is the source code of the “this” module doing?
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189
This is called rot13 encoding:
d = {}
for c in (65, 97):
for i in range(26):
d[chr...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
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184
Apparently this is by design. When Safari (OS X or iOS) is in private browsing mode, it appears...
How to step through Python code to help debug issues?
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268
Yes! There's a Python debugger called pdb just for doing that!
You can launch a Python program ...
When should I choose Vector in Scala?
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281
As a general rule, default to using Vector. It’s faster than List for almost everything and ...
When should I use Kruskal as opposed to Prim (and vice versa)?
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answered Jul 28 '09 at 18:36
Todd GamblinTodd Gamblin
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Getting the thread ID from a thread
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edited Jan 8 '16 at 14:20
Wai Ha Lee
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