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How can I check a C# variable is an empty string “” or null? [duplicate]

... @Lion Liu: Actually I think PHP has exactly as much to offer. See: php.net/manual/en/function.empty.php – Milan Feb 2 '16 at 20:09 ...
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Javascript object Vs JSON

...ort these, you should include json2.js. If you're using jQuery, you can call jQuery.parseJSON(), which will use JSON.parse() under the hood if it's supported and will otherwise fallback to a custom implementation to parse the input. ...
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?

... section B.2.1.2 escape and the introduction text of Annex B says: ... All of the language features and behaviours specified in this annex have one or more undesirable characteristics and in the absence of legacy usage would be removed from this specification. ... ... Programmers should not us...
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Reading Xml with XmlReader in C#

...fely and predictably read in the XML stream. So if the reader is currently indexing the <Account> element, after parsing the reader will index the </Accounts> closing tag. The parsing code looks something like this: public class Account { string _accountId; string _nameOfKin; ...
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How to iterate through all git branches using bash script

...C my_callback -c 1 < <( get_branches ) example: my_callback () { INDEX=${1} BRANCH=${2} echo "${INDEX} ${BRANCH}" } get_branches () { git branch --all --format='%(refname:short)' } # mapfile -t -C my_callback -c 1 BRANCHES < <( get_branches ) # if you want the branches that wer...
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Efficient evaluation of a function at every cell of a NumPy array

...erate on size of array like for ind in range(arr.size), use numpy.unravel_index to get i, j, .. based on your 1D index and shape of array numpy.unravel_index This answers is inspired by my answer on other question here sh...
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Javascript and regex: split string and keep the separator

... var matches = []; // Getting mached value and its index var replaceName = splitter instanceof RegExp ? "replace" : "replaceAll"; var r = self[replaceName](splitter, function (m, i, e) { matches.push({ value: m, index: i }); ...
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How to get the current taxonomy term ID (not the slug) in WordPress?

... If you are in taxonomy page. That's how you get all details about the taxonomy. get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) ); This is how you get the taxonomy id $termId = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxo...
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Using module 'subprocess' with timeout

...that contains command's merged stdout, stderr data. check_output raises CalledProcessError on non-zero exit status as specified in the question's text unlike proc.communicate() method. I've removed shell=True because it is often used unnecessarily. You can always add it back if cmd indeed requir...
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Passing arguments to C# generic new() of templated type

...ay argument. var constructorParameters = parameters.Select((paramType, index) => // convert the object[index] to the right constructor parameter type. Expression.Convert( // read a value from the object[index] Expression.ArrayAccess( par...