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How to check for null in Twig?

... Notice: as Twig 2.x check for variable is equal to value like is_ sameas must be {% if var is same as(false) %} not {% if var is sameas(false) %} see Doc url => twig.symfony.com/doc/2.x/tests/sameas.html – ahmed hamdy Jul 15 '19 at 17:01 ...
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How can I calculate an md5 checksum of a directory?

I need to calculate a summary md5 checksum for all files of a particular type ( *.py for example) placed under a directory and all sub-directories. ...
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How to execute mongo commands through shell scripts?

... For .find() operations, you need to call an operation on the result object to print the documents, such as toArray() or shellPrint(). e.g., mongo userdb --eval "printjson(db.users.find().toArray())" – Gingi Jun 19 '14 at 15...
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Reading specific lines only

... with linecache.getlin('some_file', 4) I get the 4th line, not the 5th. – Juan Dec 11 '14 at 18:14 ...
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How to make ng-repeat filter out duplicate results

...sion of ui utils, you can just include ui.unique on its own. use bower install just for the module. – Learning stats by example Feb 11 '15 at 19:59 ...
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How to restore to a different database in sql server?

...mpCopy with the contents of your.bak. Example (restores a backup of a db called 'creditline' to 'MyTempCopy'; RESTORE FILELISTONLY FROM DISK='e:\mssql\backup\creditline.bak' >LogicalName >-------------- >CreditLine >CreditLine_log RESTORE DATABASE MyTempCopy FROM DISK='e:\mssql\backu...
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Android emulator: How to monitor network traffic?

...ard/emulator.cap). Run emulator -tcpdump emulator.cap -avd my_avd to write all the emulator's traffic to a local file on your PC In both cases you can then analyse the pcap file with tcpdump or Wireshark as normal. share ...
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How to get HTTP response code for a URL in Java?

...od, I get an IOException ("Failed to authenticate with proxy") which is usually an http error 407. Is there a way where I can get a precision (the http error code) about the exception raised by the getRespondeCode() method? By the way, I know how to handle my error, and I just want to know how to di...
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What's the difference between %s and %d in Python string formatting?

... what do you call these %s, %d, etc? – Chaine May 19 '17 at 18:21 1 ...
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How can I get a java.io.InputStream from a java.lang.String?

... You might be right. I originally made it a comment probably because it wasn't an actual answer to OP's question. – Andres Riofrio Jul 15 '13 at 18:52 ...