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How to “comment-out” (add comment) in a batch/cmd?
I have a batch file that runs several python scripts that do table modifications.
10 Answers
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Difference between numeric, float and decimal in SQL Server
...th abnormal behaviors and issues of approximate numeric types are not acceptable, use Decimal generally.
more useful information
numeric = decimal (5 to 17 bytes) (Exact Numeric Data Type)
will map to Decimal in .NET
both have (18, 0) as default (precision,scale) parameters in SQL server
scal...
Python nested functions variable scoping [duplicate]
I've read almost all the other questions about the topic, but my code still doesn't work.
10 Answers
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
... .NET connector (Mysql.Data.*) stuff to INSERT the data from memory into a table on a MySQL server via prepared statements. It was written in such a way as to allow me to dynamically adjust the number of VALUE blocks per prepared INSERT (ie, insert n rows at a time, where I could adjust the value of...
logger configuration to log to file and print to stdout
...d the StreamHandler. The StreamHandler writes to stderr. Not sure if you really need stdout over stderr, but this is what I use when I setup the Python logger and I also add the FileHandler as well. Then all my logs go to both places (which is what it sounds like you want).
import logging
logging.g...
Why is printing to stdout so slow? Can it be sped up?
...ing I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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Adding git branch on the Bash command prompt
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git 1.9.3 or later: use __git_ps1
Git provides a shell script called git-prompt.sh, which includes a function __git_ps1 that
prints text to add to bash PS1 prompt (includes branch name)
Its most basic usage is:
$ __git_ps1
(master)
It also takes an optional format string:
$ __g...
Python function overloading
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What you are asking for is called multiple dispatch. See Julia language examples which demonstrates different types of dispatches.
However, before looking at that, we'll first tackle why overloading is not really what you want in python.
Why Not Overl...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...程序访问的都是虚拟内存地址，然后操作系统会通过Page Table机制把它翻译成物理内存地址，详细说明可以参考Understanding Memory和Understanding Virtual Memory，至于程序是如何使用虚拟内存的，可以参考Playing with Virtual Memory，这里就不...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...程序访问的都是虚拟内存地址，然后操作系统会通过Page Table机制把它翻译成物理内存地址，详细说明可以参考Understanding Memory和Understanding Virtual Memory，至于程序是如何使用虚拟内存的，可以参考Playing with Virtual Memory，这里就不...