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What does the 'b' character do in front of a string literal?

...x. So yes, b'...' literals in Python have the same purpose that they do in PHP. Also, just out of curiosity, are there more symbols than the b and u that do other things? The r prefix creates a raw string (e.g., r'\t' is a backslash + t instead of a tab), and triple quotes '''...''' or """...""" a...
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Remove duplicate elements from array in Ruby

...y) ary.to_set end def santosh_mohanty(ary) result = ary.reject.with_index do |ele,index| res = (ary[index+1] ^ ele) res == 0 end end SHORT_ARRAY = [1,1,2,2,3,1] mithun_sasidharan(SHORT_ARRAY) # => [1, 2, 3] jaredsmith(SHORT_ARRAY) # => [1, 2, 3] lri(SHORT_ARRAY) # =>...
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.htaccess not working apache

...lowOverride None to AllowOverride All <Directory /var/www/> Options Indexes FollowSymLinks AllowOverride All Require all granted </Directory> I had the same problem and found the answer and explanation on the Ubuntu Ask! forum https://askubuntu.com/questions/421233/enabling-htaccess-f...
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What is the difference between char array and char pointer in C?

... could use the %c format string, for example. – jacobq Jun 17 '19 at 10:59 Just wanted to ask whether char *p = "abc";...
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In Django, how does one filter a QuerySet with dynamic field lookups?

... Just a quick gotcha heads-up: make sure the strings in the kwargs are of type str not unicode, else filter() will grumble. – Steve Jalim Apr 4 '11 at 9:30 ...
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Numpy where function multiple conditions

...mp; (dists <= r + dr))] Out[240]: array([ 5. , 5.5, 6. ]) Or simply index the original array with the boolean array using fancy indexing In [241]: dists[(dists >= r) & (dists <= r + dr)] Out[241]: array([ 5. , 5.5, 6. ]) ...
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Encode URL in JavaScript?

...your case, this should work: var myOtherUrl = "http://example.com/index.html?url=" + encodeURIComponent(myUrl); share | improve this answer | follow ...
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Cookie blocked/not saved in IFRAME in Internet Explorer

...en a Policy Reference file (http://example.com/w3c/p3p.xml) was needed (an index of privacy policies the site uses): <META> <POLICY-REFERENCES> <POLICY-REF about="/w3c/example-com.p3p#policy1"> <INCLUDE>/</INCLUDE> <COOKIE-INCLUDE/> </POL...
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Changing one character in a string

...efended (for love I suppose). Why not suggest adding a function MID(strVar,index,newChar) to Python core that direct accesses the char memory position, instead of unnecesarily byte shuffling with the whole string? – oscar Nov 27 '18 at 18:37 ...
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How do I add a placeholder on a CharField in Django?

... Look at the widgets documentation. Basically it would look like: q = forms.CharField(label='search', widget=forms.TextInput(attrs={'placeholder': 'Search'})) More writing, yes, but the separation allows for better abstraction of more complicated cases. You can also ...