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How do I save a UIImage to a file?
...e you can create subfolders in the documents folder of your app. You use NSFileManager to do that.
You use UIImagePNGRepresentation to convert your image to NSData and save that to disk.
// Create path.
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES...
How can I exclude one word with grep?
... using -v (for --invert-match) option of grep as:
grep -v "unwanted_word" file | grep XXXXXXXX
grep -v "unwanted_word" file will filter the lines that have the unwanted_word and grep XXXXXXXX will list only lines with pattern XXXXXXXX.
EDIT:
From your comment it looks like you want to list all ...
How to Diff between local uncommitted changes and origin
Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
Convert HTML + CSS to PDF [closed]
...ows 7 64-bit), in all cases I tried, .gif images fail to appear in the PDF file. I tried a number of workarounds suggested in various places, such as including "width" and "height", and writing the URI's according to different conventions. Nothing I tried ever caused the .gif's to appear (in parti...
Write text files without Byte Order Mark (BOM)?
I am trying to create a text file using VB.Net with UTF8 encoding, without BOM. Can anybody help me, how to do this?
I can write file with UTF8 encoding but, how to remove Byte Order Mark from it?
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Populating a database in a Laravel migration file
I'm just learning Laravel, and have a working migration file creating a users table. I am trying to populate a user record as part of the migration:
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How can I filter lines on load in Pandas read_csv function?
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There isn't an option to filter the rows before the CSV file is loaded into a pandas object.
You can either load the file and then filter using df[df['field'] > constant], or if you have a very large file and you are worried about memory running out, then use an iterator and ...
Windows can't find the file on subprocess.call()
...to the shell (e.g. dir or copy). You do not need shell=True to run a batch file or console-based executable.
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Check whether user has a Chrome extension installed
...a hosted script? I know Chrome tries hard not to do stuff with just local files that aren't hosted for security purposes. - Just checking.
– JamesEggers
Jun 9 '11 at 14:13
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What is the difference between And and AndAlso in VB.NET?
...here having two side effects in one condition is good would be reading two file objects in tandem.
While File1.Seek_Next_Row() And File2.Seek_Next_Row()
Str1 = File1.GetRow()
Str2 = File2.GetRow()
End While
Using the And ensures that a row is consumed every time the condition is checked. ...