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Commenting in a Bash script inside a multiline command

...omment here` \ def `#Another chance for a comment` \ xyz, etc. And for pipelines specifically, there is a clean solution with no overhead: echo abc | # Normal comment OK here tr a-z A-Z | # Another normal comment OK here sort | # The pipelines are automatically co...
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How to use index in select statement?

...used (or not) automagically. You can force it, however. More details (when and why do this) in other posts below. – Rast Apr 28 '14 at 11:05 add a comment  |...
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Best data type to store money values in MySQL

... what could be the difference between decimal and numeric data type for this case? – Emilio Gort Feb 6 '14 at 20:04 ...
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How to read data From *.CSV file using javascript?

...e escaped quotes. I'm leaving my answer for those who want something quick and dirty, but I recommend Evan's answer for accuracy. This code will work when your data.txt file is one long string of comma-separated entries, with no newlines: data.txt: heading1,heading2,heading3,heading4,heading5,...
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HTTP POST using JSON in Java

...enable you to make the required request Create an HttpPost request with it and add the header application/x-www-form-urlencoded Create a StringEntity that you will pass JSON to it Execute the call The code roughly looks like (you will still need to debug it and make it work): // @Deprecated HttpCli...
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?

...se the InnoDB engine. In that case you would have to drop the foreign key, and then do the alter table and drop the column. But the tricky part is that you can't drop the foreign key using the column name, but instead you would have to find the name used to index it. To find that, issue the followi...
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Age from birthdate in python

How can I find an age in python from today's date and a persons birthdate? The birthdate is a from a DateField in a Django model. ...
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How can you run a command in bash over until success

I have a script and want to ask the user for some information, the script cannot continue until the user fills in this information. The following is my attempt at putting a command into a loop to achieve this but it doesn't work for some reason. ...
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Printing HashMap In Java

...y returns a set of keys from your hashmap, you should iterate this key set and the get the value from the hashmap using these keys. In your example, the type of the hashmap's key is TypeKey, but you specified TypeValue in your generic for-loop, so it cannot be compiled. You should change it to : ...
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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST

... GMT date/time but this doesn't change the value. Set the timezone to GMT and it will be correct. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"); sdf.setTimeZone(TimeZone.getTimeZone("GMT")); shar...