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Defining a variable with or without export
...wers are saying:
$ foo="Hello, World"
$ echo $foo
Hello, World
$ bar="Goodbye"
$ export foo
$ bash
bash-3.2$ echo $foo
Hello, World
bash-3.2$ echo $bar
bash-3.2$
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...
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
...ull it down directly wget http://curl.haxx.se/ca/cacert.pem
Execute the ruby code that is trying to verify the SSL certification: SSL_CERT_FILE=/opt/local/etc/certs/cacert.pem rails generate jquery:install. In your case, you want to either set this as an environment variable somewhere the server p...
Why did Rails4 drop support for “assets” group in the Gemfile
...n bundle exec rake assets:precompile
And why?
I found this in Guide:
By default Rails assumes that assets have been precompiled and will be
served as static assets by your web server.
(Source: http://edgeguides.rubyonrails.org/asset_pipeline.html#in-production)
But many time you have to u...
How to Rotate a UIImage 90 degrees?
...ageOrientationUp (portrait) that I would like to rotate counter-clockwise by 90 degrees (to landscape). I don't want to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally intended to resize a UIImage to do ...
How do I convert a Vector of bytes (u8) to a string
...
To convert a slice of bytes to a string slice (assuming a UTF-8 encoding):
use std::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41...
How can I get “Copy to Output Directory” to work with Unit Tests?
...
The standard way to do this is by specifying the deployment items in the .testrunconfig file, which can be accessed via the Edit Test Run Configurations item in the Visual Studio Test menu or in the Solution Items folder.
...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
... corrected in hardware, for a modest performance-degradation.
Or corrected by emulation in software, for a severe performance-degradation.
In addition, atomicity and other concurrency-guarantees might be broken, leading to subtle errors.
Here's an example using typical settings for an x86 process...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...onnections to the database.
So I suggest you to try all the solutions one by one and don't give up!
Here are the solutions that I found on the internet and for each of them, there is at least on person who his problem has been solved with that solution.
Tip: For the solutions that you need to cha...
What is the non-jQuery equivalent of '$(document).ready()'?
...ost of us came here looking for a way to make sure DOM is ready to be used by javascript code.
– abarazal
Dec 4 '19 at 21:18
3
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Listview Scroll to the end of the list after updating the list
...t is scrolled all the way to the bottom, after I have updated the listview by using listAdapter, so that it displays the last element entered in the list. How can I do this ?
...