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What is the reason not to use select *?

...tle differently. Brittle is normally defined as 'breaks easily'. Having unknown or hard-to-find dependencies because each piece of code will use different columns means I can't easily change anything at the data level without full regression .. which seems brittle. – Robert Pau...
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How to get a variable name as a string in PHP?

... Actually now that I've tested my code, my code always returned 'var' because it's being used in the function. When I use $GLOBALS instead, it returns the correct variable name for some reason. So I'll change the above code to use $GLO...
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Run php script as daemon process

...for me because actions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons I have to use PHP in this case. I came across a tool by libslack called Daemon ( http://libslack.org/daemo...
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Facebook Android Generate Key Hash

...ate a new certificate when you next try to build a debug package. Let me know if that works. share | improve this answer | follow | ...
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Can you “ignore” a file in Perforce?

... with an explanation of how it works. Then I noticed this answer, which is now superfluous I guess. Assuming you have a client named "CLIENT", a directory named "foo" (located at your project root), and you wish to ignore all .dll files in that directory tree, you can add the following lines to y...
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A simple explanation of Naive Bayes Classification

...ular input dataset (training set) so that later on we may test them for unknown inputs (which they have never seen before) for which they may classify or predict etc (in case of supervised learning) based on their learning. This is what most of the Machine Learning techniques like Neural Networks, S...
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How do I clone a single branch in Git?

...ones support data transfer (push/pull), so that option is even more useful now. See more at "Is git clone --depth 1 (shallow clone) more useful than it makes out?". "Undoing" a shallow clone is detailed at "Convert shallow clone to full clone" (git 1.8.3+) # unshallow the current branch git fetch -...
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Where are Docker images stored on the host machine?

...ific storage for contents of the images. /var/lib/docker/graph/<id> now only contains metadata about the image, in the json and layersize files. In the case of aufs: /var/lib/docker/aufs/diff/<id> has the file contents of the images. /var/lib/docker/repositories-aufs is a JSON file ...
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In Swift how to call method with parameters on GCD main thread?

...ch after on the main queue, use: DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) { // your code here } Older versions of Swift used: dispatch_async(dispatch_get_main_queue(), { let delegateObj = UIApplication.sharedApplication().delegate as YourAppDelegateClass delegateObj.addUIImage...
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Why doesn't print work in a lambda?

... Now I see why it was such a big deal to make it a function. Wanted to use print as a default kwarg and this fixed it. Thanks. – Thomas Dignan Jul 3 '12 at 7:30 ...