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How to concatenate two strings to build a complete path

...r -p $SUBFOLD2 And if you want to use readline so you get completion and all that, add a -e to the call to read: read -e -p "Enter a directory: " BASEPATH share | improve this answer | ...
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How can I force clients to refresh JavaScript files?

...sion of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrl F5 refresh to ensure that they get the up-to-date files from the server, but it would be preferable to handle this before that time. ...
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods

...ed) state four advantages : More readable and typeable: this syntax allows you to think in terms of subject, verb, object (assert "x is 3") rather than assertEquals, which uses verb, object, subject (assert "equals 3 x") Combinations: any matcher statement s can be negated (not(s)), combine...
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How do I change the UUID of a virtual disk?

... I really wish VirtualBox will have some UI or a window that allow us to change this – fedmich Feb 11 '15 at 15:49 ...
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What's the best free C++ profiler for Windows? [closed]

... I tried working with it now, and didn't like it at all. I couldn't even understand how to get function's total time % (including the callees) which TrueTime could do fine 10 years ago. – Pavel Radzivilovsky Mar 13 '11 at 15:05 ...
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How to mock localStorage in JavaScript unit tests?

...Each(function () { var store = {}; spyOn(localStorage, 'getItem').andCallFake(function (key) { return store[key]; }); spyOn(localStorage, 'setItem').andCallFake(function (key, value) { return store[key] = value + ''; }); spyOn(localStorage, 'clear').andCallFake(function () { ...
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SQL MAX of multiple columns?

... I initially didn't understand VALUE(v) either. If you want to understand VALUE try this query which creates a virtual 1 column table: SELECT * FROM (VALUES (1), (5), (1)) as listOfValues(columnName) And this query which creates a ...
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Is there a performance difference between i++ and ++i in C?

... Executive summary: No. i++ could potentially be slower than ++i, since the old value of i might need to be saved for later use, but in practice all modern compilers will optimize this away. We can demonstrate this by looking at the code for this function, both wit...
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What is DOM Event delegation?

...ame effect. So what's the benefit? Imagine you now have a need to dynamically add new <li> items to the above list via DOM manipulation: var newLi = document.createElement('li'); newLi.innerHTML = 'Four'; myUL.appendChild(newLi); Without using event delegation you would have to "rebind" t...
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What is the difference between lower bound and tight bound?

... In simple terms can we call: upper bound (Big(O)) as the worst case? tight bound as the average case? lower bound (Omega) as the best case? – Revanth Mar 12 '18 at 22:30 ...