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How to count objects in PowerShell?
...asure-Object | Select-Object -ExpandProperty Count to get rid of % and {}. What is easier to write and read is for another discussion.
– LosManos
May 7 '18 at 12:08
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Why does Stream not implement Iterable?
... I don't understand the double colon syntax in this context. What's the difference between stream::iterator and stream.iterator(), that makes the former acceptable for an Iterable but not the latter?
– Daniel C. Sobral
Dec 19 '14 at 3:28
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What are the differences between poll and select?
...the kernel is compiled, allowing the
application to define FD_SETSIZE to whatever it wants (as the comments
in the system header imply today) but it takes more work. 4.4BSD's
kernel and the Solaris library function both have this limit. But I
see that BSD/OS 2.1 has now been coded to avoid...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
...lgorithmic differences in the RE implementation can make huge differences. What you may be testing above is the implementation quality of the RE, not the Dalvik or Mono VMs. A better test would be hand-written parsing code that uses identical, obvious algorithms written in a style idiomatic to each ...
random.seed(): What does it do?
I am a bit confused on what random.seed() does in Python. For example, why does the below trials do what they do (consistently)?
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Remove padding from columns in Bootstrap 3
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Holy smokes! I just spent hours battling with what I thought was an iOS viewport bug because my iPhone 6 would sometimes (but inconsistently) autozoom in on my webpage. After removing the col padding, I think the autozoom works appropriately! Thanks!
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Big-oh vs big-theta [duplicate]
... see big-theta with the occasional big-oh thrown in.
I know mathematically what the difference is between the two, but in English, in what situation would using big-oh when you mean big-theta be incorrect, or vice versa (an example algorithm would be appreciated)?
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Eloquent Collection: Counting and Detect Empty
...Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty()) { }
...
Visual Studio debugging/loading very slow
...ur steps, the "Load all symbols" button is hidden and I cannot click that. What should I do now? I am using VS Express 2012.
– Himanshu Aggarwal
May 2 '13 at 16:06
87
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Does C# have an equivalent to JavaScript's encodeURIComponent()?
...u actually want to encode its value to use as a parameter - but that's not what this does). The point of encoding/escaping is that you're conveying that a reserved character should be passed through without its usual meaning (e.g. that ? identifies the query, or & separates query parameters). Th...