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How to map and remove nil values in Ruby
... Why should it? The OP needs to strip nil entries, not empty strings. BTW, nil isn't the same as an empty-string.
– the Tin Man
Aug 14 '14 at 19:31
...
Git resolve conflict using --ours/--theirs for all files
...subdirectories recursively (the -r flag) looking for conflict markers (the string '<<<<<<<')
the -l or --files-with-matches flag causes grep to output only the filename where the string was found. Scanning stops after first match, so each matched file is only output once.
The...
How can I calculate an md5 checksum of a directory?
...ther groupid and ownerid numbers are the same, not necessarily whether the string representation of group/owner are the same. This is in line with what for example rsync -a --delete does: it synchronizes virtually everything (minus xattrs and acls), but it will sync owner and group based on their I...
MYSQL Dump only certain rows
...quotes. This is a shell command, so you need to write shell syntax for the string date_pulled='2011-05-23'. That means you need to quote or escape the single quote characters, so they're included in the string rather than being interpreted as quotes in the shell syntax. Adding double quotes around t...
Pass variables to Ruby script via command line
...g = 'Good Bye'
end
# @runnable Say 'Hello' to you.
# @param [String] name Your name
# @param [Hash] options options
# @option options [Boolean] :second_meet Have you met before?
# @option options [String] :prefix Your custom prefix
def say_hello(name, options = {})
...
How do I use the lines of a file as arguments of a command?
... an argument. "$(…)" means run the command and give back the output as a string; here the “command” only reads the file but it could be more complex.
– törzsmókus
Feb 7 '19 at 13:39
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How can I easily convert DataReader to List? [duplicate]
... [Field("id")]
public int? CustomerId;
[Field("name")]
public string CustomerName;
}
...
using (DataReader reader = ...)
{
List<CustomerDTO> customers = reader.AutoMap<CustomerDTO>()
.ToList();
}
(AutoMap(), is an extension met...
Python: Append item to list N times
...why the first method is only a good idea for constant values, like ints or strings, is because only a shallow copy is does when using the <list>*<number> syntax, and thus if you did something like [{}]*100, you'd end up with 100 references to the same dictionary - so changing one of them...
django templates: include and extends
...nds variable %} uses the value of variable. If the variable evaluates to a string, Django will use that string as the name of the parent template. If the variable evaluates to a Template object, Django will use that object as the parent template.
Instead of separate "page1.html" and "page2.html", ...
Is XML case-sensitive?
...tive enumerations:
XML Schema Case Insensitive Enumeration of Simple Type String
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