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How do I send an HTML email?
...t method that accepts the subtype.
// Passing null for second argument in order for the method to determine
// the actual charset on-the fly.
// If you know the charset, pass it. "utf-8" should be fine
msg.setText( message, null, "html" );
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Why shouldn't Java enum literals be able to have generic type parameters?
... generic method like
public static MyEnum valueOf(String name);
in order to call it like MyEnum<String> myStringEnum = MyEnum.value("some string property"), that wouldn't work either.
For example what if you call MyEnum<Int> myIntEnum = MyEnum.<Int>value("some string proper...
How to configure MongoDB Java driver MongoOptions for production use?
...t of connections eventually even if the actual query throughput is low (in order words you will see the "conn" statistic in mongostat rise until it hits this number per app server).
There is no need to set this higher than 100 in most cases but this setting is one of those "test it and see" things...
Undo a Git merge that hasn't been pushed yet
...ts at t2, t4 and t6 (assume t1, t2, t3, t4, t5 and t6 are in chronological order). Any command similar to git reset --hard HEAD~5 will only reset HEAD (may remove commits in both master and branch1). Only the --merge option removes the merge.
– Manu Manjunath
F...
How to open files relative to home directory
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Not sure if this was available before Ruby 1.9.3 but I find that the most elegant solution is to use Dir.home which is part of core.
open("#{Dir.home}/some_file")
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How to send an object from one Android Activity to another using Intents?
...an one field to retrieve from a given Parcel, you must do this in the same order you put them in (that is, in a FIFO approach).
Once you have your objects implement Parcelable it's just a matter of putting them into your Intents with putExtra():
Intent i = new Intent();
i.putExtra("name_of_extra",...
How to remove the focus from a TextBox in WinForms?
...pecific control or SelectNextControl to select the next control in the tab order.
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How can sbt pull dependency artifacts from git?
...ndency with the dependsOn operator, and you can reference a Github project by its URI, for example RootProject(uri("git://github.com/dragos/dupcheck.git")). Alternatively, you can git clone the project, and then reference your local copy with RootProject(file(...)). See "Full Configuration" on the S...
Should I store entire objects, or pointers to objects in containers?
... storing pointers into vector can be efficient if used along with a custom allocator for the pointees. The custom allocator has to take care of the cache locality, for example using placement new (see en.wikipedia.org/wiki/Placement_syntax#Custom_allocators).
– amit
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How can I recover a lost commit in Git?
...`
# is not pointing to the latest so you will need to checkout branch
# in order to be able to update the code.
git checkout <commit-id>
# Create a new branch forked to the given commit
git checkout -b <branch name>
git reflog
You can always use the reflog as well.
git reflog will d...