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Save An Image To Application Documents Folder From UIView On IOS
I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is, I can't figure out how to actually save and retrieve the image I've placed in the view.
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What is the maximum recursion depth in Python, and how to increase it?
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as a tactic to convert it to an iterative version, a tail call optimization decorator could be used
– jfs
Oct 14 '14 at 18:28
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how to check if object already exists in a list
... the list.exists is another solution see below, but if you have huge lists and key value with a dictionary will be much faster as it is a hash table! Enjoy
– Doug
Aug 8 '10 at 17:21
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Image Greyscale with CSS & re-color on mouse-over?
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Answered here: Convert an image to grayscale in HTML/CSS
You don't even need to use two images which sounds like a pain or an image manipulation library, you can do it with cross browser support (current versions) and just use CSS. This i...
How to get the start time of a long-running Linux process?
...ticks since system boot.1
This is a slightly tricky unit to use; see also convert jiffies to seconds for details.
awk -v ticks="$(getconf CLK_TCK)" 'NR==1 { now=$1; next }
END { printf "%9.0f\n", now - ($20/ticks) }' /proc/uptime RS=')' /proc/12345/stat
This should give you seconds, which yo...
Determine file creation date in Java
...cannot infer type-variable(s) A (argument mismatch; File cannot be converted to Path))
– Hooli
Sep 9 '16 at 15:50
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Insert into … values ( SELECT … FROM … )
...ild complication with MODE ANSI databases, where owner names are generally converted to upper-case (informix is the exception). That is, in a MODE ANSI database (not commonly used), you could write:
CREATE TABLE someone.table ( ... )
and the owner name in the system catalog would be "SOMEONE", r...
What's the u prefix in a Python string?
...ignore'). But you should really read some of the answers and discussion on Converting a Unicode string and this excellent, excellent, primer on character encoding.
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How to start a Process as administrator mode in C# [duplicate]
...main = "",
Password = pass,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true
};
Process.Start(psi);
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How to get a key in a JavaScript object by its value?
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I think Converting it to a string would be better to fix type errors just add .toString() like obj[ key ].toString() and to the value if desired...
– CrandellWS
Jan 6 '15 at 20:19
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