大约有 9,000 项符合查询结果（耗时：0.0402秒） [XML]
Pandoc markdown page break
...o:
lorem ipsum
\newpage
more text
The \newpage will be parsed as a RawBlock containing raw TeX. The block will only be included in the output if the target format can contain raw TeX (i.e., LaTeX, Markdown, Org, etc.).
We can use a simple Lua filter to translate this when targeting a different...
How can I use Timer (formerly NSTimer) in Swift?
...work:
override func viewDidLoad() {
super.viewDidLoad()
// Swift block syntax (iOS 10+)
let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") }
// Swift >=3 selector syntax
let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selec...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...his is an old question but if you are building iOS SDK 4+ then you can use blocks to do this with very little effort and make it more readable:
double delayInSeconds = 2.0;
int primitiveValue = 500;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC))...
Bytecode features not available in the Java language
...odes were used to implement sub-routines (mostly for implementing finally blocks). They are no longer produced since Java 6. The reason for their deprecation is that they complicate static verification a lot for no great gain (i.e. code that uses can almost always be re-implemented with normal jump...
Why can't variables be declared in a switch statement?
...
@workmad3 by entering a new curly braces block doesn't cause a new stack frame stackoverflow.com/questions/2759371/…
– MTVS
Jan 14 '13 at 9:40
3...
Rails: confused about syntax for passing locals to partials
...endering.html#method-i-render:
def render(options = {}, locals = {}, &block)
case options
# Here is your last case
when Hash
if block_given?
_render_partial(options.merge(:partial => options.delete(:layout)), &block)
elsif options.key?(:partial)
_render_partial(...
How to stop/terminate a python script from running?
...esn't stop the process. I basically have multiple threads and each of them blocks on external processes started by Popen. I need a nuclear option to kill all sub-processes created by the Python process as well as the Python process itself. Didn't find so far.
– Dici
...
Can I stretch text using CSS?
...tretching</span>.</p>
CSS
span.stretch {
display:inline-block;
-webkit-transform:scale(2,1); /* Safari and Chrome */
-moz-transform:scale(2,1); /* Firefox */
-ms-transform:scale(2,1); /* IE 9 */
-o-transform:scale(2,1); /* Opera */
transform:scale(2,1); /* W3C ...
JavaScript ternary operator example with functions
...or pretty much everything. It's especially popular if you get into larger blocks of code in each branch, you have a muti-branched if/else tree, or multiple else/ifs in a long string.
The ternary operator is common when you're assigning a value to a variable based on a simple condition or you are m...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...ext to continue executing. Unfortunately, code using Wait (or Result) will block a thread in that context, so the async method cannot complete.
The guidelines to avoid this are:
Use ConfigureAwait(continueOnCapturedContext: false) as much as possible. This enables your async methods to continue e...