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powershell 2.0 try catch how to access the exception
....downloadString('http://foo')
}
catch [Net.WebException] {
Write-Host $_.Exception.ToString()
}
The exception is in the $_ variable. You might explore $_ like this:
try {
$w = New-Object net.WebClient
$d = $w.downloadString('http://foo')
}
catch [Net.WebException] {
$_ | fl * -For...
What is the printf format specifier for bool?
Since ANSI C99 there is _Bool or bool via stdbool.h . But is there also a printf format specifier for bool?
8 Answer...
How can I create an object and add attributes to it?
... set on it. (I wish it could, for this exact purpose.) It doesn't have a __dict__ to hold the attributes.
I generally just do this:
class Object(object):
pass
a = Object()
a.somefield = somevalue
When I can, I give the Object class a more meaningful name, depending on what kind of data I'...
Why does setTimeout() “break” for large millisecond delay values?
...x((then - now), 0);
if (diff > 0x7FFFFFFF) //setTimeout limit is MAX_INT32=(2^31-1)
setTimeout(function() {runAtDate(date, func);}, 0x7FFFFFFF);
else
setTimeout(func, diff);
}
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What is the difference between a 'closure' and a 'lambda'?
... )
OK, now it's time to solve the other mystery: what is a closure.
In order to do that, let's talk about symbols (variables) in lambda expressions.
As I said, what the lambda abstraction does is binding a symbol in its subexpression, so that it becomes a substitutible parameter. Such a symbol ...
How to copy commits from one branch to another?
...it merge wss-to-rebase
Note: the reason that it takes some extra work in order to do this is that it's creating duplicate commits in your repository. This isn't really a good thing - the whole point of easy branching and merging is to be able to do everything by making commit(s) one place and merg...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...se with https://github.com/kripken/sql.js/)
I created a file called base64_data.js (and used btoa() to convert the data that I needed and insert it into a <div> so I could copy it).
var base64_data = "U1FMaXRlIGZvcm1hdCAzAAQA ...<snip lots of data> AhEHwA==";
and then included the da...
Dynamic cell width of UICollectionView depending on label width
...ered Apr 17 '14 at 14:07
Basheer_CADBasheer_CAD
4,6982121 silver badges3535 bronze badges
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Java Replacing multiple different substring in a string at once (or in the most efficient way)
...complex or involves backtracking then you would still need to benchmark in order to confirm this!)
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MySQL > Table doesn't exist. But it does (or it should)
...tory directly using command
cp -r /path/to/my/database /var/lib/mysql/new_database
If you do this with a database that uses InnoDB tables, you will get this crazy 'table does not exist' error mentioned above.
The issue is that you need the ib* files in the root of the MySQL datadir (e.g. ibdata...