大约有 46,000 项符合查询结果（耗时：0.0432秒） [XML]
Convert Data URI to File then append to FormData
I've been trying to re-implement an HTML5 image uploader like the one on the Mozilla Hacks site, but that works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload.
...
awk without printing newline
I want the variable sum/NR to be printed side-by-side in each iteration. How do we avoid awk from printing newline in each iteration ? In my code a newline is printed by default in each iteration
...
How to trim a file extension from a String in JavaScript?
For example, assuming that x = filename.jpg , I want to get filename , where filename could be any file name (Let's assume the file name only contains [a-zA-Z0-9-_] to simplify.).
...
How do I verify that an Android apk is signed with a release certificate?
How can I check that an Android apk is signed with a release and not debug cert?
5 Answers
...
How to break nested loops in JavaScript? [duplicate]
...
15 Answers
15
Active
...
Programmatically get height of navigation bar
I know that the presence of the more view controller (navigation bar) pushes down the UIView by its height. I also know that this height = 44px. I have also discovered that this push down maintains the [self.view].frame.origin.y = 0 .
...
Replacing column values in a pandas DataFrame
I'm trying to replace the values in one column of a dataframe. The column ('female') only contains the values 'female' and 'male'.
...
How do you use NSAttributedString?
Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta .
...
Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...
Regex to replace everything except numbers and a decimal point
I have a text field that needs to remain only text or decimal. Here is the code that I'm currently using to replace everything except numbers and a decimal point. Issue is, I can't figure out a regex that will identify everything else
...