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NPM/Bower/Composer - differences?
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npm is nodejs package manager. It therefore targets nodejs environments, which usually means server-side nodejs projects or command-line projects (bower itself is a npm package). If you are going to do anything with nodejs, then you are going to use npm.
bower is...
What is the Oracle equivalent of SQL Server's IsNull() function?
...y number of arguments, and returns the first non-null one. The return type for isnull matches the type of the first argument, that is not true for coalesce, at least on SQL Server.)
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How to write multiple line property value using PropertiesConfiguration?
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Check the User Guide for Properties files:
Special Characters and Escaping:
If you need a special character in a property like a line feed, a
tabulation or an unicode character, you can specify it with the same
escaped notation used for ...
Checkout remote branch using git svn
...ut -b waldo-svn remotes/waldo
The -svn suffix is to avoid warnings of the form
warning: refname 'waldo' is ambiguous.
To update the git branch waldo-svn, run
git checkout waldo-svn
git svn rebase
Starting from a trunk-only checkout
To add a Subversion branch to a trunk-only clone, modify you...
Boolean.hashCode()
...ers. Any other two large prime numbers would do fine.
Why primes?
Suppose for a second that we picked composite numbers (non-primes), say 1000 and 2000. When inserting booleans into a hash table, true and false would go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now not...
C++ convert vector to vector
... @MichaelGoldshteyn I don't understand - if you don't specify the size beforehand, then it will be resized automatically whenever the capacity is exceeded (which copies all the elements over and over again). Okay, this is amortized linear time, but I bet that's still a lot slower than a single 0-i...
How do I manipulate a variable whose name conflicts with PDB commands?
My code is, for better or worse, rife with single letter variables (it's physics stuff, so those letters are meaningful), as well as NumPy's, which I'm often interacting with.
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How to use android emulator for testing bluetooth application?
...developing an application which will send a request to a bluetooth printer for printing. The code is working fine for real devices, but I want to run it on the Android Emulator. How can I use the emulator for bluetooth testing?
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How to sort the result from string_agg()
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Thanks for the link. Searching string_agg in the documentation doesn’t take you there.
– Manngo
Aug 18 '19 at 5:53
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Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
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alternative file name or directory
with the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
will cause the heap dump to be
generated in the /disk2/dumps
directory.
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