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How to decide font color in white or black depending on background color?
...ly well, and seems to have good acceptance here at StackOverflow. However, one of the comments below shows it can lead to non-compliance with W3C guidelines in some circumstances. Herewith I derive a modified form that always chooses the highest contrast based on the guidelines. If you don't need to...
How to remove a single, specific object from a ConcurrentBag?
...rnatives for you:
Remove all items and remember them, until you find the one you want to remove, then put the others back afterwards. Note that if two threads try to do this simultaneously you will have problems.
Use a more suitable data structure such as ConcurrentDictionary.
...
Why covariance and contravariance do not support value type
...ms, "boxed" and "unboxed". The compiler has to insert code to convert from one form to the other, even though this is normally invisible at a source code level. In effect, only the "boxed" form is considered by the underlying system to be a subtype of object, but the compiler automatically deals wit...
Why is Dictionary preferred over Hashtable in C#?
...u also listed the similarities to lessen the questions that might comes to one's mind
– mkb
Mar 25 '16 at 12:23
stacko...
Regex using javascript to return just numbers
...cript Regular Expression Parser & Visualizer.
Update:
Here's another one with which you can even debugger regexp: Online regex tester and debugger.
Update:
Another one: RegExr.
Update:
Regexper and Regex Pal.
share...
Git: See my last commit
...ated and shortened with git show --name-status --oneline
– jasonleonhard
Jan 8 '15 at 16:12
...
How to open a Bootstrap modal window using jQuery?
I'm using Twitter Bootstrap modal window functionality. When someone clicks submit on my form, I want to show the modal window upon clicking the "submit button" in the form.
...
Where to put model data and behaviour? [tl; dr; Use Services]
...
The last example kind of sucked, this one makes more sense. I edited it.
– Andrew Joslin
Jun 21 '12 at 1:56
9
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Using .text() to retrieve only text not nested in child tags
...
I liked this reusable implementation based on the clone() method found here to get only the text inside the parent element.
Code provided for easy reference:
$("#foo")
.clone() //clone the element
.children() //select all the children
.remove() //remove all...
How to tell if a string is not defined in a Bash shell script
... empty; fi
You probably can combine the two tests on the second line into one with:
if [ -z "$VAR" -a "${VAR+xxx}" = "xxx" ]; then echo VAR is set but empty; fi
However, if you read the documentation for Autoconf, you'll find that they do not recommend combining terms with '-a' and do recommend us...