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Why use sprintf function in PHP?

... This. Now add numbered arguments and translations :] – Konerak Apr 23 '12 at 16:57 add a comment ...
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“is” operator behaves unexpectedly with integers

... does anyone know how that range (-5, 256) was chosen? i wouldn't be too surprised if it were (0, 255) or even (-255, 255), but a range of 262 numbers starting at -5 seems surprisingly arbitrary. – Woodrow Barlow ...
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How to communicate between iframe and the parent site?

...n fact, MDN says - "Always provide a specific targetOrigin, not *, if you know where the other window's document should be located. Failing to provide a specific target discloses the data you send to any interested malicious site." – rodiwa Oct 29 '15 at 8:14 ...
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What's a simple way to get a text input popup dialog box on an iPhone

... as, say, a UITableViewCell, but it should definitly do the trick as it is now standard supported in the iOS API. You will not need a private API for this. UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" ...
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How to properly document S4 class slots using Roxygen2?

... answer for Roxygen2 5.0.1, current as of 6.0.1 For S4, the best practice now is documenting using the @slot tag: #' The title for my S4 class that extends \code{"character"} class. #' #' Some details about this class and my plans for it in the body. #' #' @slot myslot1 A logical keeping track of ...
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How to add an object to an array

...uestion: myArray = []; myArray.push({'text': 'some text', 'id' : 13}); and now myArray is empty. So if we try get the value from myArray[0]['text'] it will be empty, why? take.ms/jSvbn – fdrv Mar 16 '16 at 14:55 ...
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Step-by-step debugging with IPython

... ipdb.set_trace() ? In your code : import ipdb; ipdb.set_trace() update: now in Python 3.7, we can write breakpoint(). It works the same, but it also obeys to the PYTHONBREAKPOINT environment variable. This feature comes from this PEP. This allows for full inspection of your code, and you have ac...
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How to create permanent PowerShell Aliases

...n SilentlyContinue powershell_ise.exe .\Microsoft.PowerShell_profile.ps1 Now add your alias to the Microsoft.PowerShell_profile.ps1 file that is now opened: function Do-ActualThing { # do actual thing } Set-Alias MyAlias Do-ActualThing Then save it, and refresh the current session with: ...
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Hash collision in git

... hex character string... that's 4 bits per character times 40... 160 bits. Now we know 10 bits is approximately 1000 (1024 to be exact) meaning that there are 1 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 different SHA-1 hashes... 1048. What is this equivalent of? Well the Moon i...
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How do I clone a subdirectory only of a Git repository?

...ut doesn't check them out. Then do: git config core.sparseCheckout true Now you need to define which files/folders you want to actually check out. This is done by listing them in .git/info/sparse-checkout, eg: echo "some/dir/" >> .git/info/sparse-checkout echo "another/sub/tree" >> ....