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创业测试：50个迹象表明你真该创业了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...。即使子女们不愿意接管家族企业，但他们也目睹了你是如何辛苦工作并且获得回报的。
31.你并不介意亲力亲为。身为一名新晋创业者，你不得不做大量枯燥乏味的工作。这并不是一个愉快的过程。但是如果你不介意亲力亲为...
.gitignore exclude files in directory but not certain directories
... .gitignore files in the folders you want to keep. You can put this in the root .gitignore as follows:
application/cache/*
application/cache/folder/*
application/cache/folder/onemorefolder/*
!*.gitkeep
Now just create and commit empty .gitkeep files into the directories as listed above. The folde...
Oracle SQL Query for listing all Schemas in a DB
...an a schema = user ? and under that user all the tables created same like MySQL ?
– Osama Al-Banna
Jun 15 '16 at 14:12
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No appenders could be found for logger(log4j)?
...ties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.A1.layout=or...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
...
Some Linux based MySQL installations require case sensitive. Work around is to apply nativeQuery.
@Query(value = 'select ID, CLUMN2, CLUMN3 FROM VENDOR c where c.ID = :ID', nativeQuery = true)
...
Alternative for PHP_excel
...
@RZB - You use whichever library works for you, though MySQL doesn't (as far as I'm aware) have any native import function for .xls files, only for .csv using LOAD DATA INFILE. As the developer of PHPExcel, I will certainly promote it and recommend it where appropriate, but I don...
How to remove unreferenced blobs from my git repo
...s/folders from your git repository. To use
# it, cd to your repository's root and then run the script with a list of paths
# you want to delete, e.g., git-delete-history path1 path2
if [ $# -eq 0 ]; then
exit 0
fi
# make sure we're at the root of git repo
if [ ! -d .git ]; then
echo "Err...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...ed for the validation set should be
inversely proportional to the square root of the number of free
adjustable parameters.
In their conclusion they specify a formula:
Validation set (v) to training set (t) size ratio, v/t, scales like
ln(N/h-max), where N is the number of families of rec...
凤姐当天使 徐小平胡海泉薛蛮子王刚怎么看？ - 资讯 - 清泛网 - 专注C/C++...
...“投资界年会”上，且听徐小平、薛蛮子、王刚、胡海泉如何看待这一部“生态进化史”。
胡海泉：我不是著名天使投资人是先有名再来做投资
我不是著名投资人，是先有名再来做投资。著名投资人是真正投出来非常牛的项...
Log all requests from the python-requests module
...dule, might be some side-effects'''
HTTPConnection.debuglevel = 0
root_logger = logging.getLogger()
root_logger.setLevel(logging.WARNING)
root_logger.handlers = []
requests_log = logging.getLogger("requests.packages.urllib3")
requests_log.setLevel(logging.WARNING)
reques...