大约有 32,000 项符合查询结果（耗时：0.0461秒） [XML]
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...post input and uses it as-is, plus makes 0777 dir, prolly not that safe at all ;P
– sEver
Aug 20 '13 at 16:45
2
...
What does the servlet value signify
... that this servlet should be loaded (instantiated
and have its
init() called) on the startup of the Web application. The element content of this
element must be an integer indicating the order in which the servlet should be
loaded. If the value is a negative integer, or the element is not pr...
How to call a method after bean initialization is complete?
I have a use case where I need to call a (non-static) method in the bean only-once at the ApplicationContext load up. Is it ok, if I use MethodInvokingFactoryBean for this? Or we have a some better solution?
...
Double Iteration in List Comprehension
...f_words
I like to think of list comprehension as stretching code horizontally.
Try breaking it up into:
# List Comprehension
[word for sentence in text for word in sentence]
Example:
>>> text = (("Hi", "Steve!"), ("What's", "up?"))
>>> [word for sentence in text for word in...
How to escape single quotes in MySQL
...
I m not inserting data manually, I extract it from File, and there will be vaklues: Ashok's pen. How to insert it. creaetd a procedure for doing this.. how to make it correct.
– Ashok Gupta
May 20 '09 at 9:35
...
Can you issue pull requests from the command line on GitHub?
... Didn't know about Hub, it is available via homebrew: brew install hub This seems like the correct answer for mac users.
– wfbarksdale
Dec 3 '12 at 22:58
...
Java, List only subdirectories from a directory, not files
...ussion here:
How to retrieve a list of directories QUICKLY in Java?
Basically:
If you control the file structure, I would try to avoid getting into that situation.
In Java NIO.2, you can use the directories function to return an iterator to allow for greater scaling. The directory stream class i...
How to use Jackson to deserialise an array of objects
...g documentation indicates that Jackson supports deserialising "Arrays of all supported types" but I can't figure out the exact syntax for this.
...
How can I read large text files in Python, line by line, without loading it into memory?
...ines in reverse order is not as easy to do efficiently unfortunately. Generally you would want to read from the end of the file in sensible sized chunks (kilobytes to megabytes say) and split on newline characters ( or whatever the line ending char is on your platform)
– John L...
Check existence of input argument in a Bash shell script
...
For a noob, especially someone who comes from a non-scripting background, it is also important to mention some peculiarities about these things. You could have also mentioned that we need a space after the opening and the closing brace. Otherw...