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Which machine learning classifier to choose, in general? [closed]
...and the remaining one as your test data. Then you run model selection (the procedure I explained above) for each possible combination of those k folds. After finishing this, you will have k models, one for each combination of folds. After that, you test each model with the remaining test data and ch...
What is the difference between Serialization and Marshaling?
...rshaling and serialization are loosely synonymous in the context of remote procedure call, but semantically different as a matter of intent.
In particular, marshaling is about getting parameters from here to there, while serialization is about copying structured data to or from a primitive form suc...
Swapping two variable value without using third variable
...l optimize away the temporary variable and given that swapping is a common procedure it should output the optimum machine code for your platform.
Take for example this quick test program written in C.
#include <stdlib.h>
#include <math.h>
#define USE_XOR
void xorSwap(int* x, int *y)...
Find the files existing in one directory but not in the other [closed]
... file:
find /dir1/ -type f -exec md5sum {} \; > dir1.txt
Do the same procedure to the another directory:
find /dir2/ -type f -exec md5sum {} \; > dir2.txt
Then compare the result two files with "diff":
diff dir1.txt dir2.txt
This strategy is very useful when the two directories to be ...
What does threadsafe mean?
...rrence use.
Here, a module can be a data-structure, class, object, method/procedure or function. Basically scoped piece of code and related data.
The guarantee can potentially be limited to certain environments such as a specific CPU architecture, but must hold for those environments. If there is...
SQL JOIN - WHERE clause vs. ON clause
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@FistOfFury Sql Server uses a query optimizer procedure that compiles and evaluates your code to produce the best execution plan it can. It's not perfect, but most of the time it won't matter and you'll get the same execution plan either way.
– Joel...
What is the difference between a directory and a folder?
...splayed to the end user in File Explorer is what he or she typed. But this procedure does not rename the directory.
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How can I backup a remote SQL Server database to a local drive?
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To copy data and schema only (will not copy stored procedures, functions etc.), use the SQL Server Import and Export Wizard, and choose New... when choosing the destination database.
Right Click Database > Tasks > Import Data.
Choose a Data Source
Data Source: SQL S...
Replace a newline in TSQL
...l three types. In fact, if you've ever extracted all of the system stored procedures and scripted views, you can find instances of all three as used by Microsoft themselves.
– RBarryYoung
Mar 14 '13 at 18:22
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Virtual Serial Port for Linux
...wer.
You can test socat to create Virtual Serial Port doing the following procedure (tested on Ubuntu 12.04):
Open a terminal (let's call it Terminal 0) and execute it:
socat -d -d pty,raw,echo=0 pty,raw,echo=0
The code above returns:
2013/11/01 13:47:27 socat[2506] N PTY is /dev/pts/2
2013/11...