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Is it expensive to use try-catch blocks even if an exception is never thrown?
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edited May 8 '13 at 23:36
answered May 8 '13 at 23:30
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
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140
Following are the three commands which appears same but have minute differences
hadoop fs {a...
How to check if a variable is a dictionary in Python?
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edited Nov 18 '19 at 15:35
Neuron
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
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answered Dec 14 '11 at 11:53
Tom ChantlerTom Chantler
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Enable SQL Server Broker taking too long
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http://rusanu.com/2006/01/30/how-long-should-i-expect-alter-databse-set-enable_broker-to-run/
alter database [<dbname>] set enable_broker with rollback immediate;
sh...
how to get first three characters of an NSString?
...sh the app.
Here are some other links to check NSsting operations...
Link1
Link2
Apple Link
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PDO closing connection
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148
According to documentation you're correct (http://php.net/manual/en/pdo.connections.php):
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?
...table {
border-collapse: separate;
border-spacing: 0;
border-top: 1px solid grey;
}
td, th {
margin: 0;
border: 1px solid grey;
white-space: nowrap;
border-top-width: 0px;
}
div {
width: 500px;
overflow-x: scroll;
margin-left: 5em;
overflow-y: visible;
pad...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
...from an HTML working group about the issue.)
Here's a quote from the HTTP/1.1 spec about message headers:
The line terminator for message-header fields is the sequence CRLF. However, we recommend that applications, when parsing such headers, recognize a single LF as a line terminator and ignore...
Setting the Vim background colors
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As vim's own help on set background says, "Setting this option does not change the background ...