...fference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during this time? Are the children actors notified during kill, post-stop envoked, etc? Example uses ...

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.../to/favicon.png"> This icon should be 196x196 pixels in size to cover all devices that may use this icon. To cover touch icons on mobile devices we are going to use Apple's proprietary way to cite a touch icon: <link rel="apple-touch-icon-precomposed" href="apple-touch-icon-precomposed.pn...

...program to run properly - libraries. But why do compilers generate them at all? Wouldn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's? ...

...e and it looks fine. One way to hack around the icon inversion is to edit all the extracted images to add a single cyan pixel in the top right corner of each icon in the image map. This will exclude them from the inversion process. I haven't tried this though because I ran into issues early on when...

...a field to the Users Database (user.subscribed_to_newsletter = true). Naturally, you sometimes want to get those Users who are subscribed to your newsletter. You could, of course, always do this: User.where(subscribed_to_newsletter: true).each do #something Instead of always writing this you cou...

...those will cause the service to load an additional assembly which is not really needed for the type of application you are building. Use System.Timers.Timer like the following example (also, make sure that you use a class level variable to prevent garbage collection, as stated in Tim Robinson's ans...

...commit would not be decorated correctly because parse_object had not been called on the second tag and therefore its tagged field had not been filled in, resulting in none of the tags being associated with the relevant commit. Call parse_object to fill in this field if it is absent so that the ...

...t int/long) define this operation across a sequence of boolean values and call it "bitwise or". In fact this operation is so similar to the set union that binary integers are sometimes also called "Bit sets", where the elements in the set are taken to be the natural numbers. Because int already de...

...00000001 and ~1 is: 11111110 Which is -2 in Two's complement1 1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (since the number begins with 1): 11111110 → 00000001 → 00000010 ↑ ...