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How can I make a JPA OneToOne relation lazy
... the view and noticed that there was one query executed by hibernate which took 10 seconds even if there only were two object in the database to fetch. All OneToMany and ManyToMany relations were lazy so that wasn't the problem. When inspecting the actual SQL being executed, I noticed that there...
Can you pass parameters to an AngularJS controller on creation?
I have a controller responsible for communicating with an API to update properties of a user, name, email, etc. Each user has an 'id' which is passed from the server when the profile page is viewed.
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Using Build Flavors - Structuring source folders and build.gradle correctly
... got in the Studio preferences, under the Gradle section, you can enable auto-import for your project (we'll enable this by default later). This will let Studio re-import your build.gradle whenever you edit it.
Creating flavors doesn't mean you're going to use custom code for them so we don't creat...
UnicodeEncodeError: 'latin-1' codec can't encode character
What could be causing this error when I try to insert a foreign character into the database?
9 Answers
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How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
So I'm working on an exceedingly large codebase, and recently upgraded to gcc 4.3, which now triggers this warning:
24 Answ...
Update R using RStudio
...ou install a new version of R from the official website.
RStudio should automatically start with the new version when you relaunch it.
In case you need to do it manually, in RStudio, go to :Tools -> options -> General.
Check @micstr's answer for a more detailed walkthrough.
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
... I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library ...
STL or Qt containers?
What are the pros and cons of using Qt containers ( QMap , QVector , etc.) over their STL equivalent?
14 Answers
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How to test a merge without actually merging first
...he output of git status is empty before you do the merge, it is quite safe to just go ahead and try it. If you get conflicts, you can immediately get back to the state you were at before with:
git reset --merge
Since git 1.7.4, you can also abort the merge by doing:
git merge --abort
(As the ...
Cleanest way to write retry logic?
Occasionally I have a need to retry an operation several times before giving up. My code is like:
29 Answers
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