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Is there an exponent operator in C#?
... @Justas I just testing that on .NET Core 2.1 and Math.Pow is now faster than the suggested alternative implementation.
– bytedev
Dec 19 '18 at 11:19
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How to grep Git commit diffs or contents for a certain word?
... Use some made-up, non-regexy words instead.
The git diff documentation now includes:
To illustrate the difference between -S<regex> --pickaxe-regex and
-G<regex>, consider a commit with the following diff in the same
file:
+ return frotz(nitfol, two->ptr, 1, 0);
...
- ...
django - why is the request.POST object immutable?
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Nice. And I'm sure whoever use this code knows what he or she is doing.
– John Pang
Sep 20 '18 at 9:21
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Convert column classes in data.table
....frame I don't have a problem converting it, with data.table I just don't know how:
8 Answers
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Converting Epoch time into the datetime
... particularly %f for the microseconds porttion of the time. For reasons unknown, time.strftime() does not support that, although the microseconds can be represented in the float value that is input to time.localtime().
– Andreas Maier
Aug 13 '19 at 4:39
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An invalid form control with name='' is not focusable
...field (which was "required") and triggers this error. Solution, remove the now hidden "required" attribute from the form and rely on other method to ensure it is filled in.
– john
Apr 14 '17 at 3:43
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DTO = ViewModel?
...dex(request) (request is an object that encapsulate 3 fields jobID ...) So now instead of params you are talking to your appication with objects that encapsulate DATA, so yes we can say requestDTO. For example you have to add one other field you change only the DTO, not the api interface methods.
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Getting time elapsed in Objective-C
...ate];
// do stuff...
NSTimeInterval timeInterval = [start timeIntervalSinceNow];
timeInterval is the difference between start and now, in seconds, with sub-millisecond precision.
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Is there a way to remove the separator line from a UITableView?
...toryboard. To get around this, you have to set it from code, because as of now there is a bug from storyboard. Hope they will fix it in future beta.
Here's the code to set it:
[self.tableView setSeparatorStyle:UITableViewCellSeparatorStyleNone];
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Remove multiple keys from Map in efficient way?
I have a Map<String,String> with large number of key values pairs. Now I want to remove selected keys from that Map . Following code shows what I did to achieve that.
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