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Measure and Benchmark Time for Ruby Methods

... You could use the Time object. (Time Docs) For example, start = Time.now # code to time finish = Time.now diff = finish - start diff would be in seconds, as a floating point number. EDIT: end is reserved. share ...
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Generate .pem file used to set up Apple Push Notifications

...wnload" button to download the certificate (.cer file) you've created just now. - Double click the downloaded file to install the certificate into Keychain Access on your Mac. Step 7: On your Mac, go to "Keychain", look for the certificate you have just installed. If unsure which certificate is the...
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What is object slicing?

...nk casting back (since not a pointer arithmetic) will work , A a = b; a is now object of type A which has copy of B::foo. It will be mistake to cast it back now i think. – user72424 Aug 12 '11 at 12:27 ...
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How does Duff's device work?

... // Set to 20 { int n = (count + 7) / 8; // n is now 3. (The "while" is going // to be run three times.) switch (count % 8) { // The remainder is 4 (20 modulo 8) so // jump to th...
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Using Chrome's Element Inspector in Print Preview Mode?

...reflect this update, I've gone ahead and marked this as the correct answer now. – David Stinemetze Feb 10 '14 at 20:27 3 ...
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How to build an android library with Android Studio and gradle?

...pure Gradle answer, I use this in IntelliJ on a regular basis but I don't know how the integration is with Android Studio. I am a believer in knowing what is going on for me, so this is how I use Gradle and Android. TL;DR Full Example - https://github.com/ethankhall/driving-time-tracker/ Disclaim...
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Practical uses of git reset --soft?

...the HEAD, and just the HEAD, two commits back! git reset --soft HEAD@{2} Now, we can resume Tomas's solution: # Pretend that we just did an octopus merge with three heads: echo $(git rev-parse projectA/master) > .git/MERGE_HEAD echo $(git rev-parse projectB/master) >> .git/MERGE_HEAD # ...
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Code coverage with Mocha

... the following, after you get your mocha tests to pass: npm install nyc Now, simply place the command nyc in front of your existing test command, for example: { "scripts": { "test": "nyc mocha" } } share ...
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git pull fails “unable to resolve reference” “unable to update local ref”

... Try cleaning-up your local repository with: $ git gc --prune=now $ git remote prune origin man git-gc(1): git-gc - Cleanup unnecessary files and optimize the local repository git gc [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune] Runs a number of hou...
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How do I deep copy a DateTime object?

Now $date1 and $date2 contain the same date -- three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this: ...