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Check if a file exists with wildcard in shell script [duplicate]

...p;& echo "files do exist" || echo "files do not exist" ## This is all we needed to know, so we can break after the first iteration break done This is very similar to @grok12's answer, but it avoids the unnecessary iteration through the whole list. ...
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Best exception for an invalid generic type argument

...ere's a way in which NotSupportedException is obviously good enough, especially given its common-sense meaning. Having said that, I'm not sure if it's just right. Given the purpose of Unconstrained Melody ... There are various useful things that can be done with generic methods/classes where ...
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Analyze audio using Fast Fourier Transform

...efficients you get out will be imaginary numbers even though your input is all real values. In order to get the amount of power in each frequency, you need to calculate the magnitude of the FFT coefficient for each frequency. This is not just the real component of the coefficient, you need to calcul...
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How can I get a view's current width and height when using autolayout constraints?

...our existing constraints, the answer is not to inspect the constraints manually, since that would require you to re-implement the entire constraint-solving logic of the auto layout system in order to interpret those constraints. Instead, what you should do is just ask auto layout to update that layo...
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How do I deal with certificates using cURL while trying to access an HTTPS url?

... This error is related to a missing package: ca-certificates. Install it. In Ubuntu Linux (and similar distro): # apt-get install ca-certificates In CygWin via Apt-Cyg # apt-cyg install ca-certificates In Arch Linux (Raspberry Pi) # pacman -S ca-certificates The documentation te...
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Java Enum Methods - return opposite direction enum

... method that returns the opposite direction (the following is not syntactically correct, i.e, enums cannot be instantiated, but it illustrates my point). Is this possible in Java? ...
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What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?

...it different: 1) It will in fact use Composer for some stuff 2) It will call Composer with the optimize flag 3) It will 'recompile' loads of files creating the huge bootstrap/compiled.php 4) And also will find all of your Workbench packages and composer dump-autoload them, one by one. ...
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What is the HEAD in git?

...ce to the last commit in the currently checked-out branch. There is a small exception to this, which is the detached HEAD. A detached HEAD is the situation you end up in whenever you check out a commit (or tag) instead of a branch. In this case, you have to imagine this as a temporary branch with...
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How to set breakpoints in inline Javascript in Google Chrome?

When I open Developer Tools in Google Chrome, I see all kinds of features like Profiles, Timelines, and Audits, but basic functionality like being able to set breakpoints both in js files and within html and javascript code is missing! I tried to use the javascript console, which itself is buggy - f...
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Boolean method naming readability

... "makes your {method call} far more like natural english" sounds like a great test for rational naming across the board. clarified my thinking on the matter - thanks! – cori Jun 2 '11 at 12:06 ...