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Removing first x characters from string?
...if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
5 Answers
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Setting a system environment variable from a Windows batch file?
...s it possible to set a environment variable at the system level from a command prompt in Windows 7 (or even XP for that matter). I am running from an elevated command prompt.
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How to list records with date from the last 10 days?
...g the column "date" is of datatype date)
Why don't you just try it?
The standard ANSI SQL format would be:
SELECT Table.date
FROM Table
WHERE date > current_date - interval '10' day;
I prefer that format as it makes things easier to read (but it is the same as current_date - 10).
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HTML5 doctype putting IE9 into quirks mode?
I'm trying to get IE9 to load my page with IE9 standards...
5 Answers
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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...AccessException {
return queryForObject(sql, args, Integer.class);
}
And then the non deprecated code now must be replaced with the ugly:
queryForObject(sql, new Object { arg1, arg2, ...}, Integer.class);
or this (nicer):
queryForObject(sql, Integer.class, arg1, arg2, ...);
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How to form tuple column from two columns in Pandas
I've got a Pandas DataFrame and I want to combine the 'lat' and 'long' columns to form a tuple.
4 Answers
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How to write header row with csv.DictWriter?
Assume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this?
3 Answers
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How to implement an abstract class in ruby?
...you just call abstract_methods with the list of methods that are abstract, and when they get called by an instance of the abstract class, a NotImplementedError exception will be raised.
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...rectory (which may even be read-only due to permissions).
Skip the JCE API and use another cryptography library such as Bouncy Castle. This approach requires an extra 1MB library, which may be a significant burden depending on the application. It also feels silly to duplicate functionality included ...
How is “mvn clean install” different from “mvn install”?
What is the difference between mvn clean install and mvn install ?
5 Answers
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