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Difference between \w and \b regular expression meta characters

...chor like the caret and the dollar sign. It matches at a position that is called a "word boundary". This match is zero-length. There are three different positions that qualify as word boundaries: Before the first character in the string, if the first character is a word character. After the last ...
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How to get object length [duplicate]

... This is actually worse than using a simple loop and counter because of the added overhead of the callback function. – nullability Feb 19 '13 at 17:35 ...
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Django set default form values

...ch is explained here You have two options either populate the value when calling form constructor: form = JournalForm(initial={'tank': 123}) or set the value in the form definition: tank = forms.IntegerField(widget=forms.HiddenInput(), initial=123) ...
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Loop through properties in JavaScript object with Lodash

.../lodash.com/docs#forOwn Note that forOwn checks hasOwnProperty, as you usually need to do when looping over an object's properties. forIn does not do this check. share | improve this answer ...
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Sending HTML email using Python

...multiple messages? Should I quit everytime I send the message or send them all (in a for loop) and then quit once and for all? – xpanta May 9 '12 at 9:58 1 ...
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SQL Add foreign key to existing column

...sed an error trying to create the relationships to the other table. Thanks all. – ExceptionLimeCat Apr 30 '12 at 20:35 ...
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Variable interpolation in the shell

I have a variable called filepath=/tmp/name . 3 Answers 3 ...
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How can I delete the current line in Emacs?

...e the current line. Tried CTRL + k but it only deletes from current position. 5 Answers ...
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Inspect element that only appear when other element is mouse overed/entered

...ecords a portion of the screen directly in a super-optimized GIF. Windows, OS X and Linux. – fregante Jul 17 '14 at 7:26 2 ...
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What Makes a Good Unit Test? [closed]

...ng lots of automated tests and that you also have run into some common pitfalls when unit testing. 18 Answers ...