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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
...maphore - no recursion or inheritance, acts as a coherent resource counter from any desired initial count, threads only block where net count against the resource is zero.
Again, this varies somewhat by platform - especially what they call these things, but this should be representative of the con...
Rounding float in Ruby
...s a number, not a string. There is no way that the number 2.3 is different from 2.30, so there is no way to have an option to preserve trailing zeros. You could make your own class of numbers_with_significance but then we already have strings.
– Roobie Nuby
Apr...
How to solve error message: “Failed to map the path '/'.”
...rify further, I ended up changing the app pool identity for my web service from "ApplicationPoolIdentity" to "Network Service".
– Mary Hamlin
Sep 1 '12 at 23:34
65
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Changing the maximum length of a varchar column?
I'm trying to update the length of a varchar column from 255 characters to 500 without losing the contents. I've dropped and re-created tables before but I've never been exposed to the alter statement which is what I believe I need to use to do this. I found the documentation here: ALTER TABLE (Tra...
MySQL: multiple tables or one table with many columns?
...e a relatively small length limit (~8000 bytes). In my problem table (data from very lengthy insurance forms, more than 100 columns) we have multiple varchar columns, all UTF8. So we easily filled the ~8000 bytes limit and got "error 139 from storage engine" all the time. So we had to split the tabl...
Lambda function in list comprehensions
...ion.
I don't think the purpose of the OP was to generate a list of squares from 0 to 9. If that was the case, we could give even more solutions:
squares = []
for x in range(10): squares.append(x*x)
this is the good ol' way of imperative syntax.
But it's not the point. The point is W(hy)TF is this...
How to get an outline view in sublime texteditor?
...
This is awesome and I was really missing outline view from Eclipse. This is honestly much better though I wish there was a way to have it pull up only the main functions and not the callbacks/success functions.
– Michael BW
Mar 12 '12 at 1...
Javascript shorthand ternary operator
...d ambiguity, I have replaced my original detailed explanation with the one from Mozilla Developer Network. It should be less ambiguous.
– Tadeck
Jan 16 '12 at 18:00
add a comm...
android: stretch image in imageview to fit screen
...matically use :
imgview.setScaleType(ScaleType.FIT_XY);
OR
to change from xml use:
android:scaleType="fitXY"
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Only detect click event on pseudo-element
...n that page the whole line is clickable, both on the left and on the right from the link. Only the link itself has a different click handler, so clicking it doesn't trigger folding/unfolding subtree.
– Ilya Streltsyn
Jul 18 '17 at 16:21
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