大约有 40,000 项符合查询结果（耗时：0.0717秒） [XML]
Regex to validate date format dd/mm/yyyy
...you can test regular expression at http://www.regular-expressions.info/javascriptexample.html easily.
share
|
improve this answer
|
follow
|
...
Altering column size in SQL Server
...
For most things, I prefer scripting. But for column changes, I like the UI. Don't have to remember to check for NOT NULL or any calculations or any additional column properties. Just click Save (after you make the settings change in SSMS as @7anner no...
Difference between exit(0) and exit(1) in Python
...e program is called (though 99% of the time, if you're just running Python scripts, it doesn't matter).
share
|
improve this answer
|
follow
|
...
How is Docker different from a virtual machine?
...el. That will clear up lot of things.
Note: I'm simplifying a bit in the description below. See references for more information.
How does virtualization work at a low level?
In this case the VM manager takes over the CPU ring 0 (or the "root mode" in newer CPUs) and intercepts all privileged calls m...
find -exec cmd {} + vs | xargs
... difference will be insignificant.
But you have to make sure that:
Your script will not assume that no
file will have space, tab, etc in
file name; the first version is
safe, the second is not.
Your script will not treat a file starting with "-" as an option.
So your code should look like this:...
What is the scope of variables in JavaScript?
What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally?
...
How can I set the PHP version in PHPStorm?
... on my PC but I don't want to install an older PHP version for every small script I have to produce.
9 Answers
...
What is JSON and why would I use it?
...
JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. It is based on a subset of JavaScript language (the way objects are built in JavaScript). As stated in the MDN, some JavaScript is not JSON...
Get protocol + host name from URL
...overflow.com
If you prefer having a trailing slash appended, extend this script a bit like so:
parts = url.split('//', 1)
base = parts[0]+'//'+parts[1].split('/', 1)[0]
print base + (len(url) > len(base) and url[len(base)]=='/'and'/' or '')
That can probably be optimized a bit ...
...
Is GridFS fast and reliable enough for production?
...ce it's up and running. The resize and store stuff is done by a simple php script... but for sure, a python script, or something like java could be faster.
Current data size : 11.23g
Current storage size : 12.5g
Indices : 5
Index size : 849.65m
About the reliability : This is very reliable. The...