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Not able to access adb in OS X through Terminal, “command not found”

...he problem is: adb is not in your PATH. This is where the shell looks for executables. You can check your current PATH with echo $PATH. Bash will first try to look for a binary called adb in your Path, and not in the current directory. Therefore, if you are currently in the platform-tools directory...
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What exactly is a C pointer if not a memory address?

...be some kind of ID or handle or a combination of several IDs (say hello to x86 segments and offsets) and not necessarily a real memory address. This ID could be anything, even a fixed-size text string. Non-address representations may be especially useful for a C interpreter. ...
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Internet Explorer 11 detection

...ode also work (for those who prefer another solution , without using ActiveX) var isIE11 = !!window.MSInputMethodContext && !!document.documentMode; // true on IE11 // false on Edge and other IEs/browsers. Original Answer In order to check Ie11 , you can use this : ( tested) (or r...
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What is a monad?

... looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is? 46...
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How can I open multiple files using “with open” in Python?

...o_something() In earlier versions of Python, you can sometimes use contextlib.nested() to nest context managers. This won't work as expected for opening multiples files, though -- see the linked documentation for details. In the rare case that you want to open a variable number of files all a...
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How to get unique values in an array

...n about it in the comments for @Rocket's answer, I may as well provide an example that uses no libraries. This requires two new prototype functions, contains and unique Array.prototype.contains = function(v) { for (var i = 0; i < this.length; i++) { if (this[i] === v) return true; ...
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif

...en the loosely == equal operator and the strict === identical operator is exactly explained in the manual: Comparison Operators ┌──────────┬───────────┬───────────────────────────────...
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How to subtract X days from a date using Java calendar?

Anyone know a simple way using Java calendar to subtract X days from a date? 10 Answers ...
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Which iOS app version/build number(s) MUST be incremented upon App Store release?

...of the conditions is "You cannot re-use Version Numbers," but in the last example, version numbers are staying the same while build numbers are increasing. Am I misinterpreting something? – Emil Mar 20 '18 at 17:05 ...
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Detect and exclude outliers in Pandas data frame

... remove all rows that have outliers in at least one column, the following expression would do that in one shot. df = pd.DataFrame(np.random.randn(100, 3)) from scipy import stats df[(np.abs(stats.zscore(df)) < 3).all(axis=1)] description: For each column, first it computes the Z-score of ea...