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Understanding __get__ and __set__ and Python descriptors
...is just a mutable value. A descriptor lets you execute arbitrary code when reading or setting (or deleting) a value. So you could imagine using it to map an attribute to a field in a database, for example – a kind of ORM.
Another use might be refusing to accept a new value by throwing an exceptio...
Import CSV to mysql table
...'"'
lines terminated by '\n'
(uniqName, uniqCity, uniqComments)
as read on: Import CSV file directly into MySQL
EDIT
For your case, you'll need to write an interpreter first, for finding the first row, and assigning them as column names.
EDIT-2
From MySQL docs on LOAD DATA syntax:
...
How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
...r your app pool doesn't have rights to the web site directory, so it can't read config from there. Check the app pool and see what user it is configured to run as. Check the directory and see if that user has appropriate rights to it. While you're at it, check the event log and see if IIS logged ...
Upgrading Node.js to latest version
....35.3/install.sh | bash
If you're curious about the installation command read the source code
... its been reviewed by several node.js security experts
Step 2 - Install the version of node.js you need
Once you've got NVM you can install a specific version of Node.js using the nvm command:
nvm ins...
Git asks for username every time I push
...ctual OP's question about omitting a username only (not password). For the readers with that exact problem @grawity's answer might come in handy.
Original answer (by @Alexander Zhu):
You can store your credentials using the following command
$ git config credential.helper store
$ git push http:...
How to retrieve all keys (or values) from a std::map and put them into a vector?
...
While your solution should work, it can be difficult to read depending on the skill level of your fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys in...
Setting Django up to use MySQL
... 'ENGINE': 'django.db.backends.mysql',
'OPTIONS': {
'read_default_file': '/path/to/my.cnf',
},
}
}
You also need to create the /path/to/my.cnf file with similar settings from above
[client]
database = DB_NAME
host = localhost
user = DB_USER
password = DB_PASSWORD...
JPA eager fetch does not join
...
@vbezhenar (and othes reading his comment some time later) : JOIN query generate cartesian product in database so you should be sure that you want that cartesian product to be computed. Note that if you use the fetch join, even if you put LAZY it ...
can we use xpath with BeautifulSoup?
...xample I passed the response object directly to lxml, as having the parser read directly from the stream is more efficient than reading the response into a large string first. To do the same with the requests library, you want to set stream=True and pass in the response.raw object after enabling tra...
What is the facade design pattern?
...long position, byte[] data) { ... }
}
class HardDrive {
public byte[] read(long lba, int size) { ... }
}
/* Facade */
class ComputerFacade {
private CPU processor;
private Memory ram;
private HardDrive hd;
public ComputerFacade() {
this.processor = new CPU();
...