大约有 24,980 项符合查询结果(耗时:0.0413秒) [XML]
Copy all files with a certain extension from all subdirectories
Under unix, I want to copy all files with a certain extension (all excel files) from all subdirectories to another directory. I have the following command:
...
How to create a video from images with FFmpeg?
This line worked fine but I want to create a video file from images in another folder.
Image names in my folder are:
4 Answ...
Overlaying histograms with ggplot2 in R
...roblem is that you don't see where 2 histograms overlap - they look rather cut off.
3 Answers
...
How do I flag a method as deprecated in Objective-C 2.0?
... of a team developing a fairly large iPad app and there are many different classes we've created as a result. The trouble is some of the methods are now pretty much obsolete and I don't want simply remove them yet as I know some parts of the overall system use the methods... but there are better (n...
Meaning of Git checkout double dashes
What is the meaning of the double dashes before the file name in this git command?
3 Answers
...
Are there any side effects of returning from inside a using() statement?
Returning a method value from inside a using statement that gets a DataContext seems to always work fine , like this:
5 ...
Function to return only alpha-numeric characters from string?
I'm looking for a php function that will take an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
...
How to remove specific element from an array using python
I want to write something that removes a specific element from an array. I know that I have to for loop through the array to find the element that matches the content.
...
Java reflection - impact of setAccessible(true)
I'm using some annotations to dynamically set values of fields in classes. Since I want to do this regardless of whether it's public, protected, or private, I am a calling setAccessible(true) on the Field object every time before calling the set() method. My question is what kind of impact does ...
Accessing UI (Main) Thread safely in WPF
I have an application which updates my datagrid each time a log file that I'm watching gets updated (Appended with new text) in the following manner:
...