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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:
...
Using “Object.create” instead of “new”
...bject.create has any advantages over using new. On the contrary there are known problems with it. Sam Elsamman describes what happens when there are nested objects and Object.create(...) is used:
var Animal = {
traits: {},
}
var lion = Object.create(Animal);
lion.traits.legs = 4;
var bird = Obj...
Why does ++[[]][+[]]+[+[]] return the string “10”?
... itself.
In this case, + sees two operands: a number and an array. It’s now trying to coerce the two into the same type. First, the array is coerced into the string "0", next, the number is coerced into a string ("1"). Number + String === String.
"1" + "0" === "10" // Yay!
Specification deta...
Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
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Support for this is much stronger now. This seems to be a much more robust answer now then the accepted one.
– JonK
Jun 28 '16 at 21:56
2
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Git undo changes in some files [duplicate]
...
# the -n means, do not commit the revert yet
git revert -n <sha1>
# now make sure we are just going to commit the revert to A
git reset B
git commit
If on the other hand, you had committed it, but the commit involved rather a lot of files that you do not also want to revert, then the above ...
What does the ^ operator do in Java?
...Integer.parseInt as a programming exercise (^ denotes exponentiation from now on). The OP's intention was to compute 8*10^6 + 6*10^5 + 7*10^4 + 5*10^3 + 3*10^2 + 0*10^1 + 9*10^0 = 8675309; the next part of this answer addresses that exponentiation is not necessary for this task.
Horner's scheme
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Why does Javascript getYear() return 108?
...the years since 1900 are counted.
There are potential compatibility issues now that getYear() has been deprecated in favour of getFullYear() - from quirksmode:
To make the matter even more complex, date.getYear() is deprecated nowadays and you should use date.getFullYear(), which, in turn, is not s...
capturing self strongly in this block is likely to lead to a retain cycle
...h with unrecognized selector to a trash which is contains vcToGo_ variable now. Try to control it.
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Multithreading: What is the point of more threads than cores?
...ou probably have several hundred threads all running on your machine right now. You won't ever get a situation where a thread runs without having time 'stolen' from it. (Well, you might if it's running real-time, if you're using a realtime OS or, even on Windows, use a real-time thread priority. ...
What are the recommendations for html tag?
..., and as I originally feared, that makes it more trouble than it's worth. Now I have to go off and rewrite all my uses of it! :p
Related links of testing for issues when using "fragments"/hashes:
http://www.w3.org/People/mimasa/test/base/
http://www.w3.org/People/mimasa/test/base/results
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