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How do I “git blame” a deleted line?
...he line, this is an ideal use case for:
git log -S <string> path/to/file
which shows you commits which introduce or remove an instance of that string. There's also the -G<regex> which does the same thing with regular expressions! See man git-log and search for the -G and -S options, o...
How to import a class from default package
...e kinda problem, I solved it by changing the dll written structure in ".C" File by changing the name of the function which implemented the JNI native functionality.
for example, If you would like to add your program in the package "com.mypackage",
You change the prototype of the JNI implementing "....
How can I use Spring Security without sessions?
...ntainer will append ";jsessionid=..." to requests for images, stylesheets, etc, because Tomcat doesn't like to be stateless, and Spring Security will then block these assets on the first load because "the URL contained a potentially malicious String ';'".
– workerjoe
...
When do I need to use AtomicBoolean in Java?
...pent in
managing the synchronization
mechanism itself (waiting, notifying,
etc). Since the new API uses hardware
level constructs (atomic variables)
and wait and lock free algorithms to
implement thread-safety, a lot more
of CPU time is spent "doing stuff"
rather than in managing
synchronization.
no...
Understanding $.proxy() in jQuery
...ary because this is about Context in ECMAScript, the this context variable etc.)
There are three different types of "Contexts" in ECMA-/Javascript:
The global context
Function context
eval context
Every code is executed in its execution context. There is one global context and there can be many...
How to display unique records from a has_many through relationship?
..., :select => "DISTINCT products.*). In the first case, ALL records are fetched and rails removes the duplicates for you. In the later case, only non-duplicate records are fetched from the db so it might offer better performance if you have a large result set.
– mbreining
...
ant warning: “'includeantruntime' was not set”
... +1, Great answer. I just wish I could set that once somewhere in the buildfile instead of littering every javac call with it...
– Jonik
Jul 2 '11 at 7:42
1
...
Stashing only un-staged changes in Git
...ommit -m 'Save index'
git stash push -u -m 'Unstaged changes and untracked files'
git reset --soft HEAD^
This will do exactly what you want.
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f...
background function in Python
... contexts when there are other "greenlets" running. Worries about locking, etc are much reduced, as there is only one thing running at a time, yet the image will continue to download whenever a blocking operation executes in the "main" context.
Depending on how much, and what kind of thing you want...
Thread pooling in C++11
...ble. You can use vectors with move-only types (unique_ptr, thread, future, etc.).
– Daniel Langr
Dec 20 '17 at 8:12
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