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Can't access RabbitMQ web management interface after fresh install
I've installed the latest RabbitMQ server (rabbitmq-server-3.3.0-1.noarch.rpm) on a fresh Centos 5.10 VM according to the instructions on the official site.
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Bootstrap 3 Collapse show state with Chevron icon
Using the core example taken from the Bootstrap 3 Javascript examples page for Collapse ,
I have been able to show the state of collapse using chevron icons.
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How to check the extension of a filename in a bash script?
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I think you want to say "Are the last four characters of $file equal to .txt?" If so, you can use the following:
if [ ${file: -4} == ".txt" ]
Note that the space between file: and -4 is required, as the ':-' modifier means something different.
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...the xyzzy file exists and can quite easily handle empty strings. If that's what you want then you don't actually need the -z non-empty check:
pax> VAR=xyzzy
pax> if [[ -e $VAR ]] ; then echo yes ; fi
pax> VAR=/tmp
pax> if [[ -e $VAR ]] ; then echo yes ; fi
yes
In other words, just use...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
... I remove, add or change constraint.contant I have to call setNeedsLayout. What's the difference? I feel real stupid :(
– pash3r
Aug 13 '14 at 8:48
3
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Accessing members of items in a JSONArray with Java
... I don't get this. If we can get id with a sinple getInt like how we get the value of a hashmap by specifying the key, then why do we have to iterate with a for loop? Doesn't iteration with the loop make the id get assigned to int id multiple times?
– Nav
Jun...
extra qualification error in C++
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This is because you have the following code:
class JSONDeserializer
{
Value JSONDeserializer::ParseValue(TDR type, const json_string& valueString);
};
This is not valid C++ but Visual Studio seems to accept it. You need to change it to the...
Select SQL Server database size
how can i query my sql server to only get the size of database?
10 Answers
10
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Convert a list of objects to an array of one of the object's properties
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That is what I thought of as well. But Select does not show up in the intellisense.
– Vaccano
Jan 21 '11 at 23:58
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Oracle SQL escape character (for a '&')
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the & is the default value for DEFINE, which allows you to use substitution variables. I like to turn it off using
SET DEFINE OFF
then you won't have to worry about escaping or CHR(38).
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