大约有 43,000 项符合查询结果（耗时：0.0340秒） [XML]
How do I execute a string containing Python code in Python?
...e any string with double underscores you are safe. Maybe...
It is hard to read and understand
From http://stupidpythonideas.blogspot.it/2013/05/why-evalexec-is-bad.html (emphasis mine):
First, exec makes it harder to human beings to read your code. In order to figure out what's happening, I don't ...
Will console.log reduce JavaScript execution performance?
...r something, anyone with little knowledge on using the developer tools can read your debug messages. Depending on what you are logging, this may not be a desirable behavior.
One of the best approaches is to wrap the console.log in one of your methods, and where you can check for conditions and exec...
How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...ng Node.js.
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*
UPDATE: 23 SEP 2016
If you're afraid of running these commands...
Thanks to jguix for th...
Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws
...ppreciate your color on allowing rapid prototyping. Why wouldn't you first read the response.Content value before jumping into the // Handle success and // Handle failure blocks? In this way, you only read the response.Content property once. The only downside I can see to doing it this way is if th...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
...ule of thumb is this:
Use json.Decoder if your data is coming from an io.Reader stream, or you need to decode multiple values from a stream of data.
Use json.Unmarshal if you already have the JSON data in memory.
For the case of reading from an HTTP request, I'd pick json.Decoder since you're ob...
Is there a way to loop through a table variable in TSQL without using a cursor?
...
[Edit] Because I probably skipped the word "variable" when I first time read the question, here is an updated response...
declare @databases table
(
PK int IDENTITY(1,1),
DatabaseID int,
Name varchar(15),
Server varchar(15)
)
-- insert a bunch rows...
How do I split a multi-line string into multiple lines?
...string literals always use a '\n' EOL, regardless of platform. So do files read in text mode.
– efotinis
Oct 6 '08 at 16:55
16
...
How can I find a specific element in a List?
... == "xy");
You can also use auto-implemented properties if you need a read-only property:
public string Id { get; private set; }
This enables you to set the Id within the class but not from outside. If you need to set it in derived classes as well you can also protect the setter
public stri...
Cross-Domain Cookies
... on all the "Server A" requests (ex: xhr.withCredentials = true;)
You can read about it here:
http://www.html5rocks.com/en/tutorials/cors/
https://developer.mozilla.org/en-US/docs/HTTP/Access_control_CORS
share
|...
How do I choose between Tesseract and OpenCV? [closed]
...s an OCR engine. It's used, worked on and funded by Google specifically to read text from images, perform basic document segmentation and operate on specific image inputs (a single word, line, paragraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision library that ...