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Why is i++ not atomic?
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125
i++ is probably not atomic in Java because atomicity is a special requirement which is not pre...
Display two files side by side
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167
You can use pr to do this, using the -m flag to merge the files, one per column, and -t to omi...
Batch script: how to check for admin rights
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481
Issues
blak3r / Rushyo's solution works fine for everything except Windows 8. Running AT on Win...
Bring element to front using CSS
...o bring images to front using CSS . I've already tried setting z-index to 1000 and position to relative, but it still fails.
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Retain precision with double in Java
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153
As others have mentioned, you'll probably want to use the BigDecimal class, if you want to hav...
Zoom in on a point (using scale and translate)
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13 Answers
13
Active
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Using NOT EXISTS:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
FROM TABLE_1 t1
WHERE NOT EXISTS(SELECT id
FROM TABLE_2 t2
WHERE t2.id = t1.id)
Using NOT IN:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
F...
Loop through all nested dictionary values?
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12 Answers
12
Active
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What does “abstract over” mean?
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124
In algebra, as in everyday concept formation, abstractions are formed by grouping things by so...