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Merge and interleave two arrays in Ruby
.... Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't believe he meant that he really cared whether a was mutated ... I don't think he was commenting on a mutated vs functional solution at all, he was just trying to describ...
Entity Framework: There is already an open DataReader associated with this Command
... single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through r...
Xcode stuck at “Your application is being uploaded”
...erious issue on this. I believe this answer might be helpful.
After trying for around 10 to 12 hours to fix this issue and as everything else regarding my project and coding was fine enough, it became a headache for me. But after getting some valuable comments from some of the expert users of stack-...
How to use putExtra() and getExtra() for string data
...an someone please tell me how exactly to use getExtra() and putExtra() for intents? Actually I have a string variable, say str, which stores some string data. Now, I want to send this data from one activity to another activity.
...
Correct way to define Python source code encoding
...), this comment is processed as an encoding declaration"
"The recommended forms of this expression are
# -*- coding: <encoding-name> -*-
which is recognized also by GNU Emacs, and
# vim:fileencoding=<encoding-name>
which is recognized by Bram Moolenaar’s VIM."
So, you can put p...
Is Javascript a Functional Programming Language?
...r functional languages, like lisp (although thats not really a good reason for it not to be a functional langauge...)
13 An...
Converting a Pandas GroupBy output from Series to DataFrame
... df.groupby('some_column').apply(your_custom_func). This was not intuitive for me.
– Alexander
Jan 16 '17 at 16:57
...
Can anyone explain this strange behavior with signed floats in C#?
...he code proceeds to use reflection to loop over the fields and call Equals for each value, which correctly treats -0.0 as equal to 0.0.
Here is the source for CanCompareBits from SSCLI:
FCIMPL1(FC_BOOL_RET, ValueTypeHelper::CanCompareBits, Object* obj)
{
WRAPPER_CONTRACT;
STATIC_CONTRACT_S...
In Scala how do I remove duplicates from a list?
...
Have a look at the ScalaDoc for Seq,
scala> dirty.distinct
res0: List[java.lang.String] = List(a, b, c)
Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element...
Disabling user selection in UIWebView
...omString:jsCallBack];
Disable the Copy / Paste user menu:
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
if (action == @selector(copy:) ||
action == @selector(paste:)||
action == @selector(cut:))
{
return _copyCutAndPasteEnabled;
}
retur...