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Print number of keys in Redis
... use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version:6.0.6
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:b63575307aaffe0a
redis_mode:standalone
os:Linux 5.4.0-1017-aws x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:9.3.0
...
Any way to replace characters on Swift String?
...n leaves me with and optional string. Original String looks like this: "x86_64" and the new mapping looks like "Optional([\"x\", \"8\", \"6\", \"_\", \"6\", \"4\"])"
– John Shelley
Oct 19 '15 at 15:07
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How to manually expand a special variable (ex: ~ tilde) in bash
...
+1 -- I was needing to expand ~$some_other_user and eval works fine when $HOME will not work because I don't need the current user home.
– olivecoder
Sep 10 '13 at 11:30
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
... a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal.
The Java programming la...
git command to move a folder inside another
...Name newFolderName
got
fatal: bad source, source=oldFolderName/somepath/__init__.py, dest
ination=ESWProj_Base/ESWProj_DebugControlsMenu/somepath/__init__.py
I did
git rm -r oldFolderName
and
git add newFolderName
and I don't see old git history in my project. At least my project is not l...
Eclipse cannot load SWT libraries
...Ubuntu 12.04 64 bit try:
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86_64/
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Configuring Vim for C++
... abbreviations for my C++ use, for example :
abbreviate bptr boost::shared_ptr
abbreviate cstr const std::string &
I have several functions for "code snippets" like things, for example :
function! IncludeGuard()
let basename = expand("%:t:r")
let includeGuard = '__' . basename . '_h__'
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How to print the contents of RDD?
....
// For implicit conversion from RDD to DataFrame
import spark.implicits._
fruits = sc.parallelize([("apple", 1), ("banana", 2), ("orange", 17)])
// convert to DF then show it
fruits.toDF().show()
This will show the top 20 lines of your data, so the size of your data should not be an issue.
+...
specify project file of a solution using msbuild
...ains any of the characters %, $, @, ;, ., (, ), or ', replace them with an _ in the specified target name.
You can also build multiple projects at once:
msbuild test.sln /t:project;project2 /p:Configuration="Release" /p:Platform="x86" /p:BuildProjectReferences=false
To rebuild or clean, change ...
Python set to list
...k that you didn't overwrite list by accident:
>>> assert list == __builtins__.list
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