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Why should Java ThreadLocal variables be static
...t, etc. You don't want them also sub-scoped to the instance of the class.
One web request => one Persistence session.
Not one web request => one persistence session per object.
share
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improv...
Regex replace uppercase with lowercase letters
...ake the whole $1 in lower case in this case here, because $i contains only one letter. \l => first following letter to lower case and \u => first following letter to upper case. Where \U and \I doing it to all following letters.
– Raisch
Dec 30 '15 at 12:...
Failed to serialize the response in Web API with Json
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@NH. You can absolutely use the aforementioned shenanigans, but everything has it's place. The "entities" provided by access to the Data Layer should typically stay in the Data Layer. Anything that wants to use this data within the Business Layer of the application...
Why is creating a Thread said to be expensive?
...e possibly cheaper to create, but you pay for it in other areas.)
I've done a bit of digging to see how a Java thread's stack really gets allocated. In the case of OpenJDK 6 on Linux, the thread stack is allocated by the call to pthread_create that creates the native thread. (The JVM does not p...
Why does this CSS margin-top style not work?
...er separate them
both belong to vertically-adjacent box edges, i.e. form one of the following pairs:
top margin of a box and top margin of its first in-flow child
You can do any of the following to prevent the margin from collapsing:
Float either of your div elements
Make ...
Getting multiple keys of specified value of a generic Dictionary?
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As everyone else has said, there's no mapping within a dictionary from value to key.
I've just noticed you wanted to map to from value to multiple keys - I'm leaving this solution here for the single value version, but I'll then add...
Reason to Pass a Pointer by Reference in C++?
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So similar to a pointer of a pointer, except one less level of indirection for pass-by-reference semantics?
– user166390
Apr 20 '12 at 4:15
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How can I reconcile detached HEAD with master/origin?
...tached, it points directly to a commit—instead of indirectly pointing to one through a branch. You can think of a detached HEAD as being on an unnamed branch.
git symbolic-ref HEAD fails with fatal: ref HEAD is not a symbolic ref
git rev-parse HEAD yields 17a02998078923f2d62811326d130de991d1a95...
How do you remove a specific revision in the git history?
...its" should hopefully give you enough of an idea to figure it out. (Or someone else might know).
From the git documentation:
Start it with the oldest commit you want to retain as-is:
git rebase -i <after-this-commit>
An editor will be fired up with all the commits in your current branch (...
HTML text input field with currency symbol
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@Cohen Although a good idea, having more than one label may cause problems with accessibility.
– rybo111
Sep 12 '15 at 11:06
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