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What are all the escape characters?
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\a does not compile in javac 1.8.0_20: illegal escape character: String test = "\a";
– Ehryk
Mar 15 '15 at 18:18
3
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Find and copy files
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If your intent is to copy the found files into /home/shantanu/tosend, you have the order of the arguments to cp reversed:
find /home/shantanu/processed/ -name '*2011*.xml' -exec cp "{}" /home/shantanu/tosend \;
Please, note...
How to delete cookies on an ASP.NET website
...ies["userId"] != null)
{
Response.Cookies["userId"].Expires = DateTime.Now.AddDays(-1);
}
But it also makes sense to use
Session.Abandon();
besides in many scenarios.
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Generate random 5 characters string
...cdefghijklmnopqrstuvwxyz";
$base = strlen($charset);
$result = '';
$now = explode(' ', microtime())[1];
while ($now >= $base){
$i = $now % $base;
$result = $charset[$i] . $result;
$now /= $base;
}
return substr($result, -5);
}
Note: incremental means easier to guess; If...
last day of month calculation
... actual maximum for current month. For example it is February of leap year now, so it returns 29 as int.
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How to find out element position in slice?
...e on any slice.
Your function works, although it would be a little better if you wrote it using range.
If you happen to have a byte slice, there is bytes.IndexByte.
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How do I select an element in jQuery by using a variable for the ID?
...ing more meaningful (and HTML compliant as per Paolo's answer), especially if you have another set of data that needs to be named as well.
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What is the “assert” function?
...erminate the program (usually with a message quoting the assert statement) if its argument turns out to be false. It's commonly used during debugging to make the program fail more obviously if an unexpected condition occurs.
For example:
assert(length >= 0); // die if length is negative.
You...
Rails: How to get the model class name based on the controller class name?
... ApplicationController
def index
@model_name = controller_name.classify
end
end
This is often needed when abstracting controller actions:
class HouseBuyersController < ApplicationController
def index
# Equivalent of @house_buyers = HouseBuyer.find(:all)
objects = controlle...
Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...e this data gets dumped? Is it just to the console, or to some log file? If it's just to the console, what if I'm not logged into the Unix server through the console?
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