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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
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Try putting the driver jar in the server lib folder. ($CATALINA_HOME/lib)
I believe that the connection pool needs to be set up even before the application is instantiated. (At least that's how it works in Jboss)
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Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
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Also, consider adding a lib folder, and use "Attach Jar Directories", which will add all jars in the lib folder. For a largish project, this keeps you from having to choose each jar individually.
– joeslice
Ju...
Change R default library path using .libPaths in Rprofile.site fails to work
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I generally try to keep all of my packages in one library, but if you want to add a library why not append the new library (which must already exist in your filesystem) to the existing library path?
.libPaths( c( .libPaths(), "~/userLibrary") )
Or (and this will make the ...
How to determine the Boost version on a system?
Is there a quick way to determine the version of the Boost C++ libraries on a system?
11 Answers
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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
....cnf (usually in the etc folder) is correctly configured with
socket=/var/lib/mysql/mysql.sock
you can check if mysql is running with the following command:
mysqladmin -u root -p status
try changing your permission to mysql folder. If you are working locally, you can try:
sudo chmod -R 777 /v...
How can I use external JARs in an Android project?
...s to your Android project or any Java project is:
Create a folder called libs in your project's root folder
Copy your JAR files to the libs folder
Now right click on the Jar file and then select Build Path > Add to Build
Path, which will create a folder called 'Referenced Libraries' within your...
How can I use pickle to save a dict?
...ighest protocol version your version of Python supports: docs.python.org/3/library/pickle.html#data-stream-format
– Blender
May 3 '18 at 0:53
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How to install PostgreSQL's pg gem on Ubuntu?
...the postgreSQL dev package with header of PostgreSQL
sudo apt-get install libpq-dev
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`from … import` vs `import .` [duplicate]
...epends on how you want to access the import when you refer to it.
from urllib import request
# access request directly.
mine = request()
import urllib.request
# used as urllib.request
mine = urllib.request()
You can also alias things yourself when you import for simplicity or to avoid masking bu...
80后夫妻创业，如今身价68亿，怎么做到？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...有关，那就是“资源”。
一个中国的年轻人，如果没有什么背景，通常和“资源”不会有太大关系。总裁王麒诚年纪轻轻控制一家上市公司，总有人说他深具背景。他的说法是，他只是来自浙江淳安地区的一个普通家庭，“大...