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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...ome Department attribute. Otherwise, (valid at least for PG) you might get ERROR: for SELECT DISTINCT, ORDER BY expressions must appear in select list
– long
Apr 21 at 14:08
a...
`from … import` vs `import .` [duplicate]
...st recent call last):
File "<stdin>", line 1, in <module>
KeyError: 'os.path'
>>>
From the above example, we found that only os is added to the local and global namespaces.
So, we should be able to use os:
>>> os
<module 'os' from
'/System/Library/Fra...
How do I do an initial push to a remote repository with Git?
...mmands:
cd /srv/git/project_dir
chmod -R g+w objects/ refs/
If got this error after git pull:
There is no tracking information for the current branch. Please specify which branch you want to merge with. See git-pull(1) for details
git pull <remote> <branch>
If you wish to set tracki...
Mockito match any class argument
...o just extends BaseMatcher<T>. Just FYI, if anyone else gets compile errors, try that out.
– Jan
Jul 26 '17 at 21:09
...
How to add Action Bar from support library into PreferenceActivity?
...creen />s however, I have found a solution!! - After a lot of trial and error!
Add the following to your SettingsActivity:
@SuppressWarnings("deprecation")
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
super.onPreferenceTreeClick(pr...
C++ Build Systems - What to use? [closed]
...ad the symbols, it looks for that tupjob path, which doesn't exist causing errors.
– Qix - MONICA WAS MISTREATED
Jun 3 '15 at 20:20
...
Ruby send vs __send__
... Example:
A, B, C = Module.new, Module.new, Module.new
B.include A #=> error -- private method
B.send :include, A #=> bypasses the method's privacy
C.public_send :include, A #=> does not bypass privacy
Update: Since Ruby 2.1, Module#include and Module#extend methods become public, so the...
How to check for the type of a template parameter?
... This answer is problematic in several ways. Besides the actual errors (type which is the value of type Type or a template which does not make sense here) is_same_v is not meaningful in the context of variant. The corresponding "trait" is holds_alternative.
– Pixelch...
Protecting Java Source Code From Being Accessed [closed]
...claimed it was a KJV knockoff and the evidence was that a rare grammatical error in KJV was in "brand new" NWT. So, there's a precedent for this working.)
– Nick P
Apr 17 '13 at 23:01
...
Check if an apt-get package is installed and then install it if it's not on Linux
...s upon finding that the package is missing, such as simply exiting with an error code.
REQUIRED_PKG="some-package"
PKG_OK=$(dpkg-query -W --showformat='${Status}\n' $REQUIRED_PKG|grep "install ok installed")
echo Checking for $REQUIRED_PKG: $PKG_OK
if [ "" = "$PKG_OK" ]; then
echo "No $REQUIRED_P...
