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How to view the SQL queries issued by JPA?
When my code issues a call like this:
16 Answers
16
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Making code internal but available for unit testing from other projects
We put all of our unit tests in their own projects. We find that we have to make certain classes public instead of internal just for the unit tests. Is there anyway to avoid having to do this. What are the memory implication by making classes public instead of sealed?
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“git rm --cached x” vs “git reset head -- x”?
...wing:
--soft
Does not touch the index file nor the working tree at all (but resets
the head to <commit>, just like all modes do). This leaves all your
changed files "Changes to be committed", as git status would put it.
--mixed
Resets the index but not the working tree...
C# - What does the Assert() method do? Is it still useful?
I am debugging with breakpoints and I realize the assert call? I thought it was only for unit tests. What does it do more than breakpoint? Since I can breakpoint, why should I use Assert?
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Representing Monetary Values in Java [closed]
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BigDecimal all the way. I've heard of some folks creating their own Cash or Money classes which encapsulate a cash value with the currency, but under the skin it's still a BigDecimal, probably with BigDecimal.ROUND_HALF_EVEN rounding.
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What's the @ in front of a string in C#?
...tring as a verbatim string literal - anything in the string that would normally be interpreted as an escape sequence is ignored.
So "C:\\Users\\Rich" is the same as @"C:\Users\Rich"
There is one exception: an escape sequence is needed for the double quote. To escape a double quote, you need to put...
A valid provisioning profile for this executable was not found for debug mode
...ovisioning portal.
Solution:
1) In Xcode, Goto --> Build --> clean all targets.
2) In "Groups & Files" -->Target --> expand it --> right click your app and select Clean "your app"
3) Goto->Window-->Organizer
4) In the Devices tab on the left, select your iphone
5) In t...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
When dynamically loading a class, when is it appropriate to use
6 Answers
6
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Cleaning `Inf` values from an R dataframe
...ption 1
Use the fact that a data.frame is a list of columns, then use do.call to recreate a data.frame.
do.call(data.frame,lapply(DT, function(x) replace(x, is.infinite(x),NA)))
Option 2 -- data.table
You could use data.table and set. This avoids some internal copying.
DT <- data.table(dat)...
Weird Integer boxing in Java
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The true line is actually guaranteed by the language specification. From section 5.1.7:
If the value p being boxed is true,
false, a byte, a char in the range
\u0000 to \u007f, or an int or short
number between -128 and 127, then let
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