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SQL Server IIF vs CASE
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141
IIF is the same as CASE WHEN <Condition> THEN <true part> ELSE <false part> E...
Cross-platform way of getting temp directory in Python
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4 Answers
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Vagrant reverse port forwarding?
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134
When you run vagrant ssh, it's actually using this underlying command:
ssh -p 2222 -o UserKnown...
Counting Chars in EditText Changed Listener
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142
Use
s.length()
The following was once suggested in one of the answers, but its very ineffici...
Give all the permissions to a user on a DB
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284
The user needs access to the database, obviously:
GRANT CONNECT ON DATABASE my_db TO my_user;
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Android: What's the difference between Activity.runOnUiThread and View.post?
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4 Answers
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Is having an 'OR' in an INNER JOIN condition a bad idea?
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114
This kind of JOIN is not optimizable to a HASH JOIN or a MERGE JOIN.
It can be expressed as a c...
Return type of '?:' (ternary conditional operator)
... lvalue as the result of this conversion would not be an lvalue.
ISO/IEC 14882:2011 references:
3.10 [basic.lval] Lvalues and rvalues (about value categories)
5.15 [expr.cond] Conditional operator (rules for what type and value category a conditional expression has)
5.17 [expr.ass] Assignment and c...
Sort a list by multiple attributes?
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A key can be a function that returns a tuple:
s = sorted(s, key = lambda x: (x[1], x[2]))
Or ...