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How do I get hour and minutes from NSDate?
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Use an NSDateFormatter to convert string1 into an NSDate, then get the required NSDateComponents:
Obj-C:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"<your date format goes here"];
NSDate *date =...
Using a piano keyboard as a computer keyboard [closed]
... I know nothing at all about MIDI but I would like some guidance on how to convert this signal into a keystroke.
26 Answers...
Android ViewPager - Show preview of page on left and right
I'm using Android's ViewPager . What I want to do is to show a preview of the page on both the left and the right. I've seen where I can use a negative pageMargin to show a preview of the right side.
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How do you clear the SQL Server transaction log?
... awful).
DECLARE @path NVARCHAR(255) = N'\\backup_share\log\testdb_'
+ CONVERT(CHAR(8), GETDATE(), 112) + '_'
+ REPLACE(CONVERT(CHAR(8), GETDATE(), 108),':','')
+ '.trn';
BACKUP LOG foo TO DISK = @path WITH INIT, COMPRESSION;
Note that \\backup_share\ should be on a different machine that...
Setting the filter to an OpenFileDialog to allow the typical image formats?
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I love this so much that I've converted it into the world's most disgusting one-liner! Dim ofd As New OpenFileDialog() With {.Filter = ImageCodecInfo.GetImageEncoders().Aggregate("All Files (*.*)|*.*", Function(s, c) $"{s}|{c.CodecName.Substring(8).Replac...
Find object in list that has attribute equal to some value (that meets any condition)
... None)
This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form.
However,
for x in test_list:
if x.value == value:
print("i found it!")
break
The naive loop-break version, is perfectly Pytho...
How can I view array structure in JavaScript with alert()?
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You could write a function that will convert and format this array as string. Even better: use FireBug for debugging instead of alerts.
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Easily measure elapsed time
... To run this you have to add the #include <chrono> directive and I would change the reporting time as: std::cout << "Time difference (sec) = " << (std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count()) /1000000.0 <<std::endl; (and do not f...
Inconsistent Accessibility: Parameter type is less accessible than method
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This helped me. I was trying to do the following: JsonConvert.DeserializeObject<List<Name_Of_My_Model>>(response.Content.ReadAsStringAsync().Result); The "Name_Of_My_Model" class wasn't set to either Public nor Private. Turned out I NEEDED to set the "Name_Of_My_Mod...
How do I handle newlines in JSON?
I've generated some JSON and I'm trying to pull it into an object in JavaScript. I keep getting errors. Here's what I have:
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