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cannot load such file — zlib even after using rvm pkg install zlib
... zlib from apt-get and then reinstalling ruby to not use the rvm directory for zlib.
Here's how do:
$ sudo apt-get install zlib1g-dev
$ rvm reinstall 1.9.3
[Edit] As commenter @chrisfinne mentions, on CentOS/RedHat based systems:
$ sudo yum install zlib-devel
$ rvm reinstall 1.9.3
...
UIViewContentModeScaleAspectFill not clipping
...w using the CALayer property :( adding another view behind it is not ideal for me
– Rambatino
Jan 12 '15 at 23:15
If y...
Loop through properties in JavaScript object with Lodash
Is it possible to loop through the properties in a JavaScript object? For instance, I have a JavaScript object defined as this:
...
how to write setTimeout with params by Coffeescript
...
I think it's a useful convention for callbacks to come as the last argument to a function. This is usually the case with the Node.js API, for instance. So with that in mind:
delay = (ms, func) -> setTimeout func, ms
delay 1000, -> something param
G...
Difference between git pull --rebase and git pull --ff-only
...
git rebase origin/master
i.e. your remote changes (C) will be applied before the local changes (D), resulting in the following tree
A -- B -- C -- D
What will happen if I use git pull --ff-only ?
It will fail.
git pull --ff-only corresponds to
git fetch
git merge --ff-only origin/mast...
Are GUID collisions possible?
I'm working on a database in SQL Server 2000 that uses a GUID for each user that uses the app it's tied to. Somehow, two users ended up with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision stil...
leading zeros in rails
I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
...
HTML span align center not working?
...in:auto normally used to center align the content. display:table is needed for span element
<span style="margin:auto; display:table; border:1px solid red;">
This is some text in a div element!
</span>
share...
Git flow release branches and tags - with or without “v” prefix
...n as close as possible to get a sane versioning.
It also makes filtering for those Tags easier, as you can press v and then the TAB-key for autocompletion: This will list all the tags (and maybe a few branches), whereas there are several digits a tag could start with.
See also: Is there a stand...
Best way to work with transactions in MS SQL Server Management Studio
...in a transaction, and then execute each batch of T-SQL code line by line.
For example,
Begin Transaction
-Do some T-SQL queries here.
Rollback transaction -- OR commit transaction
If you want to incorporate error handling you can do so by using a TRY...CATCH BLOCK. Should an error occ...