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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
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edited Feb 15 '18 at 3:57
community wiki
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...t visually:
/**
* explaining margins
*/
body {
padding: 3em 15%
}
.parent {
width: 50%;
width: 400px;
height: 400px;
position: relative;
background: lemonchiffon;
}
.parent:before,
.parent:after {
position: absolute;
content: "";
}
.parent:before {
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How does the Comma Operator work
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15
Worth pointing out that , has such low precedence, it even lags behind itself ;) ...That is: comma-as-operator has a lower precedence than ...
How to check that a string is a palindrome using regular expressions?
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151
The answer to this question is that "it is impossible". More specifically, the interviewer is ...
Overwriting my local branch with remote branch [duplicate]
...rk in all.
– greggles
Oct 18 '12 at 15:56
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What is tail recursion?
... that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), this is what t...
How do I specify the Linq OrderBy argument dynamically?
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edited May 4 '15 at 2:14
answered Sep 1 '11 at 1:54
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...the second is preferred as it's less verbose and cleaner to read.
EDIT (2015-03-15): SPARK-5307 introduced SerializationDebugger and Spark 1.3.0 is the first version to use it. It adds serialization path to a NotSerializableException. When a NotSerializableException is encountered, the debugger vis...
Put buttons at bottom of screen with LinearLayout?
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answered Feb 8 '13 at 19:15
AhmadAhmad
54.5k1717 gold badges102102 silver badges130130 bronze badges
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