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Bash array with spaces in elements
...through its indices, like so, it works if I add the elements either numerically or with escapes:
for ((i = 0; i < ${#FILES[@]}; i++))
do
echo "${FILES[$i]}"
done
Any of these declarations of $FILES should work:
FILES=(2011-09-04\ 21.43.02.jpg
2011-09-05\ 10.23.14.jpg
2011-09-09\ 12.31.16....
How to work with Git branches and Rails migrations
...s and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch.
...
Is there a VB.NET equivalent for C#'s '??' operator?
...
If Operator (Visual Basic)
Uses short-circuit evaluation to conditionally return one of two
values. The If operator can be called with three arguments or with two
arguments.
If( [argument1,] argument2, argument3 )
If Operator Called with Two Arguments
The first argument to If...
How to avoid “Permission denied” when using pip with virtualenv
...ed Oct 19 '13 at 23:02
sebastian_oesebastian_oe
6,63822 gold badges1515 silver badges2020 bronze badges
...
Is it acceptable and safe to run pip install under sudo?
...ns together will get me back on track :)
– markwalker_
Feb 22 '13 at 16:40
1
also, for installing...
How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i
...
Just another warning. aes_string does not allow you to use functions to manipulate the x and y values. Say that you would like to log transform y in which case aes_string(x = 'x.values', y='log(y.values)') of course doesn't work. I use these kind of transformations a...
Git SSH error: “Connect to host: Bad file number”
...locking it.
You can solve this by performing an SSH to port 443 (your firewall / isp will not block this).
It is also important that you need to ssh to "ssh.github.com" instead of github.com.
Otherwise, you will report to the webserver instead of the ssh server.
Below are all the steps needed to so...
Static Indexers?
...follows:
public class Utilities
{
private static ConfigurationManager _configurationManager = new ConfigurationManager();
public static ConfigurationManager ConfigurationManager => _configurationManager;
}
public class ConfigurationManager
{
public object this[string value]
{
...
Should URL be case sensitive?
...reat upper case letters as equivalent to lower case in scheme names (e.g., allow "HTTP" as well as "http"). Source
– realPK
Jul 1 '16 at 5:38
3
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How does Rails keep track of which migrations have run for a database?
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Rails creates a table in your database called schema_migrations to keep track of which migrations have run.
The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version",...