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How do I remove  from the beginning of a file?

...be for PHP to actually interpret the BOM correctly, for that you can use mb_internal_encoding(), like this: <?php //Storing the previous encoding in case you have some other piece //of code sensitive to encoding and counting on the default value. $previous_encoding = mb_internal...
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How can I delete all Git branches which have been merged?

...ip, you can add it to the egrep command like the following. The branch skip_branch_name will not be deleted. git branch --merged| egrep -v "(^\*|master|dev|skip_branch_name)" To delete all local branches that are already merged into the currently checked out branch: git branch --merged | egrep -v "...
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Regular Expression: Any character that is NOT a letter or number

... \w is for Word characters and is exactly the same as [a-zA-Z0-9_] (notice that underscore is considered a word character.) ...so the shorthand would be str.replace(/[^\w]/g, ' ') – Joel Mellon Aug 30 '13 at 16:41 ...
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How does zip(*[iter(s)]*n) work in Python?

... ^ And since you ask for a more verbose code sample: chunk_size = 3 L = [1,2,3,4,5,6,7,8,9] # iterate over L in steps of 3 for start in range(0,len(L),chunk_size): # xrange() in 2.x; range() in 3.x end = start + chunk_size print L[start:end] # three-item chunks Following ...
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Pass in an array of Deferreds to $.when()

...use Function.prototype.apply, so in this case you need: $.when.apply($, my_array).then( ___ ); See http://jsfiddle.net/YNGcm/21/ In ES6, you can use the ... spread operator instead: $.when(...my_array).then( ___ ); In either case, since it's unlikely that you'll known in advance how many form...
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What is the difference between user and kernel modes in operating systems?

...e the state and returns to user mode. http://en.wikibooks.org/wiki/Windows_Programming/User_Mode_vs_Kernel_Mode http://tldp.org/HOWTO/KernelAnalysis-HOWTO-3.html http://en.wikipedia.org/wiki/Direct_memory_access http://en.wikipedia.org/wiki/Interrupt_request ...
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lenses, fclabels, data-accessor - which library for structure access and mutation is better

... a -> a) providing two functions: a getter, and a setter get (Lens g _) = g put (Lens _ s) = s subject to three laws: First, that if you put something, you can get it back out get l (put l b a) = b Second that getting and then setting doesn't change the answer put l (get l a) a = a A...
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Download File Using jQuery

...? - well, you could also go for a walk instead. – low_rents Jul 29 '15 at 9:16 nearly 10 years later: same! or ? ...
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Check if an element is present in an array [duplicate]

...ot contain "includes". Please correct. en.wikipedia.org/wiki/ECMAScript#7th_Edition_-_ECMAScript_2016 – Juergen Jan 9 '19 at 18:37 ...
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What should I name a table that maps two tables together? [closed]

...oducts and another category for recipe. for both tables we will have recipe_categories and product_categories, and since we can't just "categories" table name for both tables, in order to prevent the conflict, the junction tables for product and recipe will be "recipe_recipe_categories" and "product...