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Converting an integer to a hexadeci<em>mem>al string in Ruby
Is there a built in way to convert an integer in Ruby into its hexadeci<em>mem>al equivalent?
5 Answers
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<em>Mem>AC addresses in JavaScript
I know that we can get the <em>Mem>AC address of a user via IE (ActiveX objects).
6 Answers
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SQL selecting rows by <em>mem>ost recent date
Using the following query and results, I'<em>mem> looking for the <em>mem>ost recent entry where the ChargeId and ChargeType are unique.
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Ruby on Rails: How do I add placeholder text to a f.text_field?
How can I add placeholder text to <em>mem>y f.text_field fields so that the text co<em>mem>es pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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Why java.io.File doesn't have a close() <em>mem>ethod?
While java.io.Rando<em>mem>AccessFile does have a close() <em>mem>ethod java.io.File doesn't. Why is that? Is the file closed auto<em>mem>atically on finalization or so<em>mem>ething?
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jQuery hide ele<em>mem>ent while preserving its space in page layout
Is there a way in jQuery where I can hide an ele<em>mem>ent, but not change the DO<em>Mem> when it's hidden? I'<em>mem> hiding a certain ele<em>mem>ent but when it's hidden, the ele<em>mem>ents below it <em>mem>ove up. I don't want that to happen. I want the space to stay the sa<em>mem>e, but the ele<em>mem>ent to be shown/hidden at will.
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JavaScript - cannot set property of undefined
<em>Mem>y code:
6 Answers
6
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Grep regex NOT containing string
I a<em>mem> passing a list of regex patterns to grep to check against a syslog file. They are usually <em>mem>atching an IP address and log entry;
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SQL Server <em>Mem>anage<em>mem>ent Studio won't let <em>mem>e add an index to a table
When I right click on the indexes folder in the table the "New Index" <em>mem>enu ite<em>mem> is grayed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SS<em>Mem>S, but no luck. I'<em>mem> using SQL Server 2012 Business Intelligence SP1 CTP.
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How to restart a rails server on Heroku?
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The answer was:
heroku restart -a app_na<em>mem>e
# The -a is the sa<em>mem>e as --app
Easily aliased with alias hra='heroku restart --app '
Which you can <em>mem>ake a per<em>mem>anent alias by adding it to your .bashrc or .bash_aliases file as described at:
https://askubuntu.co<em>mem>/question...