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Import multiple csv files into pandas and concatenate into one DataFrame

... If you have same columns in all your csv files then you can try the code below. I have added header=0 so that after reading csv first row can be assigned as the column names. import pandas as pd import glob path = r'C:\DRO\...
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SVN command to delete all locally missing files

... If you are using TortoiseSVN, just do a Check for Modifications, sort by the Status column, select all the entries marked missing, right-click to open the context menu, and select Delete. Finally, commit to publish the change...
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NULL vs nullptr (Why was it replaced?) [duplicate]

... but we can always specify the type using typecast operator like f( (int) NULL ) or f((foo*) NULL ) as an alternative to resolve ambiguity... correct ? – Arjun Jun 16 '18 at 17:18 ...
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Why does Math.round(0.49999999999999994) return 1?

... @ Oli: Oh now that's interesting, they took that bit out for Java 7 (the docs I linked to) -- maybe in order to avoid causing this sort of odd behavior by triggering a (further) loss of precision. – T.J. Crowder ...
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Count number of occurrences of a pattern in a file (even on same line)

...t work in all cases. Man page says: -c print a count of matching lines Difference in these approaches is illustrated below: 1. $ echo afoobarfoobar | grep -oc foo 1 As soon as the match is found in the line (a{foo}barfoobar) the searching stops. Only one line was checked and it matched, so th...
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Error in exception handler. - Laravel

... servers group (usually apache or www-data, but this can vary between the different operating systems) and keep the permissions as of the directory as 775. chgrp -R www-data app/storage Or with chown. chown -R :www-data app/storage Then make sure directory permissions are 775. chmod -R 775 ap...
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How to determine if one array contains all elements of another array

... If using the OP's definition of a1 and a2, and a1 "containing all elements of" a2, I think this should be _ (a1 & a2).size == a2.size _ since a2 is the smaller array, which should have all elements included in the larger ...
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ASP.NET MVC 3 - Partial vs Display Template vs Editor Template

... How do you use annotations to specify a display template and an editor template for a single property? – stormwild Oct 24 '11 at 10:00 3 ...
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What does Google Closure Library offer over jQuery? [closed]

...th Firebug and support unit tests, which are both developers' best friends nowadays. Documentation I guess that as any new library VS a well established one, it will lack the availability of tons of extensions and tutorial that jQuery has. However, being pushed by Google should ensure that support...
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Maximum length of the textual representation of an IPv6 address?

...000 8 * 4 + 7 = 39 8 groups of 4 digits with 7 : between them. But if you have an IPv4-mapped IPv6 address, the last two groups can be written in base 10 separated by ., eg. [::ffff:192.168.100.228]. Written out fully: 0000:0000:0000:0000:0000:ffff:192.168.100.228 (6 * 4 + 5) + 1 + (4 ...