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How to articulate the difference between asynchronous and parallel programming?
...acks are generally a way (tool or mechanism) to express concurrency i.e. a set of entities possibly talking to each other and sharing resources.
In the case of async or callback communication is implicit while sharing of resources is optional (consider RMI where results are computed in a remote mach...
what is reverse() in Django
..._404(Question, pk=question_id)
try:
selected = question.choice_set.get(pk=request.POST['choice'])
except KeyError:
# handle exception
pass
else:
selected.votes += 1
selected.save()
return HttpResponseRedirect(reverse('polls:polls-results',
...
Regular expression to match a line that doesn't contain a word
I know it's possible to match a word and then reverse the matches using other tools (e.g. grep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
...tonAttribute : ActionNameSelectorAttribute
{
public string Name { get; set; }
public string Argument { get; set; }
public override bool IsValidName(ControllerContext controllerContext, string actionName, MethodInfo methodInfo)
{
var isValidName = false;
var keyValue ...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
...
This is just like how you'd embed a normal image. Note that you need to set the IMG to have a class of svg. The 'social-link' class is just for examples sake. The ID is not required, but is useful.
Then use this jQuery code (in a separate file or inline in the HEAD).
/**
* Replace all ...
Can git ignore a specific line?
...on" of "Git Attributes"):
*.yourType filter=yourFilterName
(you can even set that filter for a specific file, if you want)
Implement:
yourFilterName.smudge (triggered on git checkout) and
git config --global filter.yourFilterName.smudge 'sed "s/isPhoneGap = .*/isPhoneGap = true/"'
yourFilterN...
Merge multiple lines (two blocks) in Vim
...
set ve=all should help, see vimdoc.sourceforge.net/htmldoc/options.html#'virtualedit'
– Ben
Aug 13 '14 at 12:08
...
How to log request and response body with Retrofit-Android?
...elp in the Profiler (but it only offers meta-data about response). I tried setting the log level in the Builder, but this doesn't help me either :
...
Chrome hangs after certain amount of data transfered - waiting for available socket
...ple and correct solution is put off preload your audio and video file from setting and recheck your page your problem of waiting for available socket will resolved ...
if you use jplayer then replace preload:"metadata" to preload:"none" from jplayer JS file ...
preload:"metadata" is the default val...
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...s="col-xs-10">Column 2-b</div>
</div>
</div>
Each set of nested divs also span up to 12 columns of their parent div. NOTE: Since each .col class has 15px padding on either side, you should usually wrap nested columns in a .row, which has -15px margins. This avoids duplicatin...