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How to use Swift @autoclosure
...d the loop
func until<L: LogicValue>(pred: @auto_closure ()->L, block: ()->()) {
while !pred() {
block()
}
}
// doSomething until condition becomes true
until(condition) {
doSomething()
}
...
Color different parts of a RichTextBox string
... isn't the right way to add colored text.
So here a method to add a "color block" :
Run run = new Run("This is my text");
run.Foreground = new SolidColorBrush(Colors.Red); // My Color
Paragraph paragraph = new Paragraph(run);
MyRichTextBlock.Document.Blocks.Add(parag...
How to test valid UUID/GUID?
...se solutions are for versions 1 to 5 (see the first character of the third block).
Therefore to validate a UUID...
/^[0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/i
...ensures you have a canonically formatted UUID that is Version 1 through 5 and is the appropriate Var...
Resize fields in Django Admin
...people/person/change_form.html.
All the admin templates have an extrahead block you can override to place stuff in the <head>, and the final piece of the puzzle is the fact that every field has an HTML id of id_<field-name>.
So, you could put something like the following in your templa...
Getting time elapsed in Objective-C
... resolved an issue of mine. When calling [NSDate date] within a completion block within a dispatch block, I was getting the same "current" time that was being reported by [NSDate date] immediately before execution hit the point at which my blocks were created. CACurrentMediaTime() solved this issue....
Catching java.lang.OutOfMemoryError?
...till possible to do so).
In general, the OutOfMemoryError occurs due to a block memory allocation that cannot be satisfied with the remaining resources of the heap.
When the Error is thrown the heap contains the same amount of allocated objects as before the unsuccessful allocation and now is the ...
Multi-Line Comments in Ruby?
...note that in the above example code, only the first =begin...=end and last block using # are picked up by rdoc when generating documentation.
– the Tin Man
Aug 5 '14 at 19:50
...
In an array of objects, fastest way to find the index of an object whose attributes match a search
...monstrating the fastest method. HERE is the link to the actual test
Setup block
var items = []
for(var i = 0; i < 1000; i++) {
items.push({id: i + 1})
}
var find = 523
Fastest Method
var index = -1
for(var i = 0; i < items.length; i++) {
if(items[i].id === find) {
index ...
Service vs IntentService in the Android platform
...s on a separate worker thread.
Limitations / Drawbacks
The Service may block the Main Thread of the application.
The IntentService cannot run tasks in parallel. Hence all the consecutive intents will go into the message queue for the worker thread and will execute sequentially.
When to stop?
...
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...