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Preferred method to store PHP arrays (json_encode vs serialize)
...at file for caching purposes. I might occasionally come across the need to convert it to JSON for use in my web app but the vast majority of the time I will be using the array directly in PHP.
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data.frame rows to a list
I have a data.frame which I would like to convert to a list by rows, meaning each row would correspond to its own list elements. In other words, I would like a list that is as long as the data.frame has rows.
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Where did the name `atoi` come from?
In the C language where did they come up with the name atoi for converting a string to an integer? The only thing I can think of is Array To Integer for an acronym but that doesn't really make sense.
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How to get MD5 sum of a string using python?
...xception. Encoding a bytestring will leave ascii characters untouched and convert unicode correctly
– Charles L.
Aug 20 '18 at 16:13
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Why does “,,,” == Array(4) in Javascript?
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Because the right hand operand is converted to a string and the string representation of Array(4) is ,,,:
> Array(4).toString()
",,,"
If you use the array constructor function and pass a number, it sets the length of the array to that number. So you ...
How to get Scala List from Java List?
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EDIT: Note that this is deprecated since 2.12.0. Use JavaConverters instead. (comment by @Yaroslav)
Since Scala 2.8 this conversion is now built into the language using:
import scala.collection.JavaConversions._
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lst.toList.foreach{ node => .... }
works. asScala did not ...
Get “Value” property in IGrouping
...value is comparable to ToList() only there is more of an overhead there to convert it to a list as opposed to just pulling out a value
– Coops
Dec 17 '14 at 15:25
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error opening HPROF file: IOException: Unknown HPROF Version
...he hprof file you get from Android has android specific format. You should convert hprof file take from Android OS into standard hprof format. For this you can use hprof-conv tool that is located at AndroidSDK/tools/hprof-conv.
For example:
hprof-conv android.hprof mat.hprof
And then open mat.h...
How can I change a secret Gist to public?
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You have to know that you cannot convert your public Gist into a secret Gist (only Public -> Secret). See help.github.com/articles/creating-gists/#creating-a-gist
– GiDo
Jul 5 '16 at 15:45
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How can I verify if one list is a subset of another?
...lications. Basically the fact that one is a dict means you may not need to convert the static part to a set (you could check all(itertools.imap(dict.has_key, mylist)) with O(n) performance).
– Yann Vernier
May 18 '13 at 14:28
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