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Illegal string offset Warning PHP

... Please try this way.... I have tested this code.... It works.... $memcachedConfig = array("host" => "127.0.0.1","port" => "11211"); print_r($memcachedConfig['host']); share...
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On showing dialog i get “Can not perform this action after onSaveInstanceState”

...ected void onResume() { super.onResume(); sHandler.removeCallbacks(test); } @Override protected void onPause() { super.onPause(); sHandler.postDelayed(test, 5000); } Runnable test = new Runnable() { @Override public void run() { if (mIsAfterOnSaveInstanceState) ...
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How can I visualize per-character differences in a unified diff file?

.... is interpreted as a path. You can verify with mkdir x y; echo foo > x/test; git add x/test; git commit -m test; echo boo > x/test; cd y; git diff --color-words=.; git diff --color-words .; git diff --color-words -- .. – ntc2 Sep 4 '15 at 16:43 ...
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Python loop counter in a for loop [duplicate]

... I checked both with the following: python -m timeit "s = 'String used for testing'; ''.join(str(i)+str(c) for i, c in enumerate(s))" and python -m timeit "s = 'String used for testing'; ''.join(str(i)+str(s[i]) for i in xrange(len(s)))". Each of them averaged on 8.83 usec per loop over 100,000 loop...
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How to implement a rule engine?

...from my database and compiling an assembly with "Rule" types, each with a "Test" method. Here is the signature for the interface that is implemented each Rule: public interface IDataRule<TEntity> { /// <summary> /// Evaluates the validity of a rule given an instance of an ent...
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Is it possible to ping a server from Javascript?

...that.bad();}, 1500); } } This works on all types of servers that I've tested (web servers, ftp servers, and game servers). It also works with ports. If anyone encounters a use case that fails, please post in the comments and I will update my answer. Update: Previous link has been removed. If a...
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Compress files while reading data from STDIN

...to read data as input and redirect the compressed to output file i.e. cat test.csv | gzip > test.csv.gz cat test.csv will send the data as stdout and using pipe-sign gzip will read that data as stdin. Make sure to redirect the gzip output to some file as compressed data will not be written to ...
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How do I get the coordinates of a mouse click on a canvas element?

...PeppeL-G bounding client rectangle calculates that for you. You can easily test it in console before you post a comment (that's what I did). – Tomáš Zato - Reinstate Monica Nov 29 '14 at 17:10 ...
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How do you stop tracking a remote branch in Git?

...com:repo-name fetch = +refs/heads/*:refs/remotes/origin/* [branch "test1"] remote = origin merge = refs/heads/test1 [branch "master"] remote = origin merge = refs/heads/master Delete the line merge = refs/heads/test1 in the test1 branch section ...
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How do I check that a number is float or integer?

... 1 === 0; } If you don't know that the argument is a number you need two tests: function isInt(n){ return Number(n) === n && n % 1 === 0; } function isFloat(n){ return Number(n) === n && n % 1 !== 0; } Update 2019 5 years after this answer was written, a solution was st...