大约有 1,346 项符合查询结果（耗时：0.0138秒） [XML]
Dispelling the UIImage imageNamed: FUD
...t always significantly inflates the data size (for example, a screen sized PNG file might consume a few dozen KBs when compressed, but consumes over half a MB decompressed - width * height * 4). By contrast +imageWithContentsOfFile: will decompress that image everytime the image data is needed. As y...
Convert PDF to clean SVG? [closed]
...
http://www.cityinthesky.co.uk/opensource/pdf2svg/
It offers a tool, pdf2png, which once installed does exactly the job in command line. I've tested it with irreproachable results so far, including with bitmaps.
EDIT : My mistake, this tool also converts letters to paths, so it does not address t...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...d reference "my_website/image.php?img_id=55" instead of "my_website/avatar.png", and your image.php script would, after verifying your credentials and parsing the id you hand it, return the actual image. That way, the image is only viewable by the proper logged in user.
– Capta...
How does __proto__ differ from constructor.prototype?
... I think sheds full light over the matter
http://i.stack.imgur.com/KFzI3.png
I know I'm not the first one making this up but it was more interesting figuring it out that finding it :-). Anyway, after that I found e.g. this another diagram that I think says basicly the same:
Javascript object la...
Shading a kernel density plot between two points.
...
I have the png file and hosted it on freeimagehosting, and it may not be loading because ... I'm not sure.
– Milktrader
Mar 25 '11 at 17:55
...
What's the algorithm to calculate aspect ratio?
...s/thumb/f/f0/Vector_Video_Standards4.svg/750px-Vector_Video_Standards4.svg.png
accepted_ratios = ['5:4', '4:3', '3:2', '8:5', '5:3', '16:9', '17:9']
#-------------------------------------------------------
def gcd(a, b):
if b == 0: return a
return gcd (b, a % b)
#--------------------------...
What do the return values of node.js process.memoryUsage() stand for?
...erent memory spaces: apmblog.dynatrace.com/wp-content/uploads/2015/11/DK_2.png
– elyas-bhy
Jan 6 '16 at 17:06
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show 1 more comment
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Show an image preview before upload
...e-holder");
image_holder.empty();
if (extn == "gif" || extn == "png" || extn == "jpg" || extn == "jpeg") {
if (typeof (FileReader) != "undefined") {
//loop for each file selected for uploaded.
for (var i = 0; i < countFiles; i++) {
...
Difference between java.util.Random and java.security.SecureRandom
...mputed.
Using the output of nextLong() directly, partly the secret of the PNG to a degree that the entire secret can be computed with very little efford. Dangerous!
* There is some effort needed if the second 32 bit are negative, but one can find that out.
...
Android encryption / decryption using AES [closed]
...am baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100, baos); // bm is the bitmap object
byte[] b = baos.toByteArray();
byte[] keyStart = "this is a key".getBytes();
KeyGenerator kgen = KeyGenerator.getInstance("AES");
SecureRandom sr = SecureRandom.getInstance("S...