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How to get current date & time in MySQL?
...
You can use NOW():
INSERT INTO servers (server_name, online_status, exchange, disk_space, network_shares, c_time)
VALUES('m1', 'ONLINE', 'exchange', 'disk_space', 'network_shares', NOW())
share
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What is the real overhead of try/catch in C#?
... to make here:
Firstly, there is little or NO performance penalty in actually having try-catch blocks in your code. This should not be a consideration when trying to avoid having them in your application. The performance hit only comes into play when an exception is thrown.
When an exception is th...
What's the recommended way to connect to MySQL from Go?
... on go-wiki.
Import when using MyMySQL :
import (
"database/sql"
_ "github.com/ziutek/mymysql/godrv"
)
Import when using Go-MySQL-Driver :
import (
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
Connecting and closing using MyMySQL :
con, err := sql.Open("mymysql", datab...
CSV file written with Python has blank lines between each row
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@jpmc26 Normally that's good advice, but the csv module doesn't work properly with io.open. There is a unicodecsv 3rd party module for Python 2.7 that works better.
– Mark Tolonen
Feb 26 '18 at 22:...
How to convert AAR to JAR
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The AAR file consists of a JAR file and some resource files (it is basically a standard zip file with a custom file extension). Here are the steps to convert:
Extract the AAR file using standard zip extract (rename it to *.zip to make it easier)
Find the classes.jar file in the extracted files
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Split code over multiple lines in an R script
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Bah, comments are too small. Anyway, @Dirk is very right.
R doesn't need to be told the code starts at the next line. It is smarter than Python ;-) and will just continue to read the next line whenever it considers the statement as "not finished". ...
How to display request headers with command line curl
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@SergeyVlasov Actually, the equivalent of /dev/null in Windows is nul, not null.
– Francisco Zarabozo
Dec 11 '17 at 7:37
3
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Load view from an external xib file in storyboard
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Isn't it that loadNibNamed calls init(coder:)? I have a crash trying to adapt your approach.
– Fishman
Nov 14 '16 at 9:15
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Maven2: Best practice for Enterprise Project (EAR file)
...ur two dependencies for your EJB project and your WAR project.
So you actually have three maven projects here. One EJB. One WAR. One EAR that pulls the two parts together and creates the ear.
Deployment descriptors can be generated by maven, or placed inside the resources directory in the EAR pr...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
boost多索引容器multi_index_container实战boost多索引容器multi_index_container用法详解、性能测试等。目录：
boost多索引容器multi_index_container详解
boost多索引容器multi_index_container架构图
boost多索引容器multi_index_container性能测试
原文地...