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convert '1' to '0001' in JavaScript [duplicate]
...gth - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow correctly" (or incorrectly depending on how it's viewed):
That is, with the above:
1 -> "0001"
12345 -> "12345"
Supporting negative numbers is le...
Increase heap size in Java
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You can increase to 4GB on a 32 bit system. If you're on a 64 bit system you can go higher. No need to worry if you've chosen incorrectly, if you ask for 5g on a 32 bit system java will complain about an invalid value and quit.
As others have posted, use the cmd-line ...
Create a GUID in Java
...e a look at the UUID class bundled with Java 5 and later.
For example:
If you want a random UUID you can use the randomUUID method.
If you want a UUID initialized to a specific value you can use the UUID constructor or the fromString method.
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How do I vertically align something inside a span tag?
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if your text wraps try my answer @NorbertoYoan
– Hashbrown
Oct 1 '13 at 2:18
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Stored procedure slow when called from web, fast from Management Studio
...an. You're hitting the bad plan with your web server, but SSMS lands on a different plan since there is a different setting on the ARITHABORT flag (which would otherwise have no impact on your particular query/stored proc).
See ADO.NET calling T-SQL Stored Procedure causes a SqlTimeoutException for...
How do I add spacing between columns in Bootstrap?
I'm sure there is a simple solution to this problem. Basically, if I have two columns how can I add a space between them?
2...
How can I configure NetBeans to insert tabs instead of a bunch of spaces?
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Same issue here but I think I've got it: If your current file has "space indents" at some odd distance (like 3, 5, ...) then NetBeans will try to be clever and indent to that level using spaces if you hit tab. Set both tab stop and number of spaces per indent to 8, ...
Add column with number of days between dates in DataFrame pandas
... to subtract dates in 'A' from dates in 'B' and add a new column with the difference.
4 Answers
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returning in the middle of a using block
... general this is not a problem.
The only case it will cause you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a reference to a variable.
using (...
Convert int to char in java
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will print out the char with ascii value 49 (one corresponding to '1')
If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);.
If you want to convert an int as in ascii value, you can use Character.toChars(48) for example.
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