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When to use lambda, when to use Proc.new?
...om :0
irb(main):006:0> p.call "hello"
TypeError: can't convert nil into String
from (irb):2:in `+'
from (irb):2
from (irb):6:in `call'
from (irb):6
from :0
The page also recommends using lambda unless you specifically want the error tolerant behavior. I agree with this senti...
Append TimeStamp to a File Name
...ing a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.') .
Is there a better way to do this?
...
How can strings be concatenated?
How to concatenate strings in python?
7 Answers
7
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How to get multiple select box values using jQuery?
...('#multipleSelect').val() || []; Also worth noting it returns an array of strings. I was comparing to an integer and getting no matches, so i added a .toString().
– tkerwood
Jul 27 '16 at 2:05
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Is there a good way to attach JavaScript objects to HTML elements?
...gly to define this method jquery stores keys into a global dictionary in a string attribute on each element. The name of this string attribute is randomly generated when jquery is first loaded. (Suggesting that there isn't a good way to do there isn't a nicer way to do this only using the DOM)
...
Camera orientation issue in Android
...nterface exif = new ExifInterface(SourceFileName); //Since API Level 5
String exifOrientation = exif.getAttribute(ExifInterface.TAG_ORIENTATION);
Since the photo is displaying correctly in your app, i'm not sure where the problem is, but this should definitely set you on the right path!
...
What does the “yield” keyword do?
...i)
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Everything you can use "for... in..." on is an iterable; lists, strings, files...
These iterables are handy because you can read them as much as you wish, but you store all the values in memory and this is not always what you want when you have a lot of values.
Generators
Generators ar...
How to “git show” a merge commit with combined diff output even when every changed file agrees with
...ng this on the git repository on a8e4a59 shows a combined diff (plus/minus chars in one of 2 columns). As the git-show manual mentions, it pretty much delegates to 'git diff-tree' so those options look useful.
share
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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
...the comparison is performed.
When you do: if ("0") console.log("ha"), the string value is being tested. Any non-empty string is true, while an empty string is false.
Equal (==)
If the two operands are not of the same type, JavaScript converts the operands then applies strict comparison. If...
Android: Bitmaps loaded from gallery are rotated in ImageView
...rsor cursor = context.getContentResolver().query(photoUri,
new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
if (cursor.getCount() != 1) {
return -1;
}
cursor.moveToFirst();
return cursor.getInt(0);
}
And then you can get a rotate...