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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...u can structure your inheritance hierarchy such that they will all inherit from the same parent class and then rescue only the parent class.
For example I had three exceptions: FileNamesMissingError,InputFileMissingError, and OutputDirectoryError that I wanted to rescue with one statement. I made a...
How can I custom-format the Autocomplete plug-in results?
... "$&" +
"</span>");
In other words, starting from the original code above, you just need to replace this.term with "$&".
EDIT
The above changes every autocomplete widget on the page. If you want to change only one, see this question:
How to patch *just one* insta...
How do I change the default author and committer in the Eclipse Git plugin?
...
agree, then Eclipse will use config from YOUR_HOME_DIR/.gitconfig, which is set by those 2 commands above
– danisupr4
Jun 7 '16 at 10:12
...
Order data frame rows according to vector with specific order
...actly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its second.
Therefore match finds the row numbers that matches target's elements, and then we return df in that order.
...
Should I store entire objects, or pointers to objects in containers?
Designing a new system from scratch. I'll be using the STL to store lists and maps of certain long-live objects.
10 Answer...
How do I programmatically determine if there are uncommitted changes?
...t" for alternatives (like git status --porcelain)
You can take inspiration from the new "require_clean_work_tree function" which is written as we speak ;) (early October 2010)
require_clean_work_tree () {
# Update the index
git update-index -q --ignore-submodules --refresh
err=0
# D...
Show filename and line number in grep output
...ing in this example), ignoring case, and display line numbers. The output from that grep will look something like:
/path/to/result/file.name:100: Line in file where 'searchstring' is found.
Next we pipe that result to the cut command using colon : as our field delimiter and displaying fields 1 t...
Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO
...in the case of character, it runs strptime first, then does the conversion from POSIXlt to POSIXct.
It makes sense that strptime is faster, because strptime only handles character input whilst the others try to determine which method to use from input type. It should also be a bit safer in that bei...
How do I output coloured text to a Linux terminal?
...ally the letter m. The numbers describe the colour and format to switch to from that point onwards.
The codes for foreground and background colours are:
foreground background
black 30 40
red 31 41
green 32 42
yellow 33 43
blue ...
How do I make Vim do normal (Bash-like) tab completion for file names?
...
Apart from the suggested wildmode/wildmenu, Vim also offers the option to show all possible completions by using Ctrl + D. This might be helpful for some users that stumble across this question when searching for different autocomp...