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Replace transparency in PNG images with white background
I've got some PNG images with transparency, and I need to create versions with the image layer composed onto a white background. I've tried various things with Image Magick "convert" operations, but either nothing happens at all or I get an error. I don't want to go to an intermediate JPG form bec...
iOS Detect 3G or WiFi
...is code. If this were just in a method, reachability would go out of scope and be dealloced at the end of the method and stopNotifier would be called implicitly.
– James Webster
Nov 9 '11 at 21:35
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How to remove element from array in forEach loop?
... element in an array in a forEach loop, but am having trouble with the standard solutions I've seen.
7 Answers
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
...use positive look ahead to see if at least one non-word character exists
And I agree with SilentGhost, \W might be a bit broad. I'd replace it with a character set like this: [-+_!@#$%^&*.,?] (feel free to add more of course!)
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Why can't the tag contain a tag inside it?
...org/TR/html4/sgml/dtd.html. It specifies which elements are block elements and which are inline. For those lists, search for the section marked "HTML content models".
For the P element, it specifies the following, which indicates that P elements are only allowed to contain inline elements.
<!EL...
don't fail jenkins build if execute shell fails
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To stop further execution when command fails:
command || exit 0
To continue execution when command fails:
command || true
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Text overwrite in visual studio 2010
...t button. Second, today I somehow must have hit that button inadvertently, and was stumbled, like the Original Poster, to find that the Ins keyboard button was not working. To end on a positive note, how about "connecting" those two buttons in the next version of VS, Microsoft?
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How to find all links / pages on a website
Is it possible to find all the pages and links on ANY given website? I'd like to enter a URL and produce a directory tree of all links from that site?
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Globally override key binding in Emacs
How can I set a key binding that globally overrides and takes precedence over all other bindings for that key? I want to override all major/minor mode maps and make sure my binding is always in effect.
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.NET List Concat vs AddRange
What is the difference between the AddRange and Concat functions on a generic List? Is one recommended over the other?
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