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How to update the value stored in Dictionary in C#?
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edited Nov 28 '12 at 11:12
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Drop unused factor levels in a subsetted data frame
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14 Answers
14
Active
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Why should I use var instead of a type? [duplicate]
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110
It's really just a coding style. The compiler generates the exact same for both variants.
See...
Changing java platform on which netbeans runs
I am using Netbeans 6.7. I had first installed Java 1.5 before installing Netbeans. When i installed Netbeans it took Java 1.5 as the default version. Then i installed Java 1.6 on my machine. I need to change the default JDK of my netbeans to 1.6 not only to a specific project but to the whole Netbe...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...xtends Redis
{
const POSITION_FIRST = 0;
const POSITION_LAST = -1;
public function zPop($zset)
{
return $this->zsetPop($zset, self::POSITION_FIRST);
}
public function zRevPop($zset)
{
return $this->zsetPop($zset, self::POSITION_LAST);
}
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On Duplicate Key Update same as insert
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Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the id from LAST_INSERT_ID; you need to specify the backend app you're using for the same.
For LuaSQL, a conn:getlastautoid() fetches ...
Is there any particular difference between intval and casting to int - `(int) X`?
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193
intval() can be passed a base from which to convert. (int) cannot.
int intval( mixed $var [,...
How to zero pad a sequence of integers in bash so that all have the same width?
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13 Answers
13
Active
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
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173
There's no big advantage for those cases where an assertFoo exists that exactly matches your i...
How can I apply a border only inside a table?
...is:
table {
border-collapse: collapse;
}
table td, table th {
border: 1px solid black;
}
table tr:first-child th {
border-top: 0;
}
table tr:last-child td {
border-bottom: 0;
}
table tr td:first-child,
table tr th:first-child {
border-left: 0;
}
table tr td:last-child,
table tr th:last-ch...