大约有 8,000 项符合查询结果（耗时：0.0153秒） [XML]
Hidden Features of C++? [closed]
...
@jpoh: http followed by a colon becomes a "label" which you use in a goto statement later. you get that warning from your compiler because it's not used in any goto statement in the above example.
– utku_karatas
Nov 4 '08 at 17:0...
What is the purpose of .PHONY in a Makefile?
...ete - although it may be addressed in the linked tutorial. .PHONY forces a label/file in a Makefile to be built if it's part of the topological-sort of whatever your target is. That is to say, if you have a 'cleanup:' label that is set phony, and the your install label is defined with cleanup as a p...
Is recursion a feature in and of itself?
...all a function like this
a();
it is implemented as
move the address of label 1 to variable return_from_a
jump to label function_a
label 1
and the definition of a(),
function a()
{
var1 = 5;
return;
}
is implemented as
label function_a
move 5 to variable var1
jump to the address store...
Multiple submit buttons in an HTML form
... doesn't work in an I18n application where you even dont know the label of the button.
– Chris
Mar 5 '10 at 17:34
...
Hidden Features of Java
...
For most people I interview for Java developer positions labeled blocks are very surprising. Here is an example:
// code goes here
getmeout:{
for (int i = 0; i < N; ++i) {
for (int j = i; j < N; ++j) {
for (int k = j; k < N; ++k) {
...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...r! </a><br /><br />
<div>
<label for="fav_href">Favicon:</label>
<input id="fav_href" value='https://stackoverflow.com/favicon.ico' style='width:100%'></input> </div><br />
<div>
&l...
Why can a function modify some arguments as perceived by the caller, but not others?
...`x` have nothing to do with `n` and `x` from main()
n = 2 # put `n` label on `2` balloon
x.append(4) # call `append` method of whatever object `x` is referring to.
print('In f():', n, x)
x = [] # put `x` label on `[]` ballon
# x = [] has no effect on the original list that i...
What is the parameter “next” used for in Express?
...
So next() performs like a goto with a hard-wired label? That is, in your third snippet, once you call next(), res.send("Hello World !!!!"); would never be executed? I noticed that @Ashe always had a return; after next calls that had code in the same execution tree... Guess...
Rails: fields_for with index?
...
<%= f.fields_for :blog_posts, {:index => 0} do |g| %>
<%= g.label :gallery_sets_id, "Position #{g.options[:index]}" %>
<%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %>
<%# g.options[:index] += 1 %>
<% end %>
or
<%= f.fields_for ...
Set a default font for whole iOS app?
...have a custom font I want to use for everything displaying text in my app, labels, text views etc.
17 Answers
...