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$location / switching between html5 and hashbang mode / link rewriting
...I would thus expect that when not in HTML5 mode, hashes would be inserted, and in HTML5 mode, they would not.
4 Answers
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What does [ N … M ] mean in C aggregate initializers?
...h> with its actual contents(it defines miscellaneous symbolic constants and types, and declares miscellaneous functions) in the range based construct, which are then further used for initializing the array of pointers.
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Catch multiple exceptions at once?
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Catch System.Exception and switch on the types
catch (Exception ex)
{
if (ex is FormatException || ex is OverflowException)
{
WebId = Guid.Empty;
return;
}
throw;
}
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Modifying the “Path to executable” of a windows service
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There is also this approach seen on SuperUser which uses the sc command line instead of modifying the registry:
sc config <service name> binPath= <binary path>
Note: the space after binPath= is important. You can also query the current configuration using:
sc qc <service na...
How to disable the warning 'define' is not defined using JSHint and RequireJS
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Just to expand a bit, here's a .jshintrc setup for Mocha:
{
....
"globals" : {
/* MOCHA */
"describe" : false,
"it" : false,
"before" : false,
"beforeEach" : false,
"after" : false,
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Extract a dplyr tbl column as a vector
... a neat function to make pulling out a column a bit nicer (easier to type, and easier to read):
pull <- function(x,y) {x[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iri...
Automatically capture output of last command into a variable using Bash?
I'd like to be able to use the result of the last executed command in a subsequent command. For example,
22 Answers
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What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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How do I create multiple submit buttons for the same form in Rails?
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You can create multiple submit buttons and provide a different value to each:
<% form_for(something) do |f| %>
..
<%= f.submit 'A' %>
<%= f.submit 'B' %>
..
<% end %>
This will output:
<input type="submit" value="A" i...
Warning message: In `…` : invalid factor level, NA generated
I don't understand why I got this warning message.
5 Answers
5
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