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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...ow demonstrate the noticeable artifacting of lossy compression algorithms; select the thumbnail image to view the full size version.
Each format is different as described below:
JPEG
JPEG (Joint Photographic Experts Group) files are (in most cases) a lossy format; the DOS filename extension is JPG...
Download a file with Android, and showing the progress in a ProgressDialog
...ime (12 AM for instance), the service will download all the link that user selected before. I mean the service I need has to be able to queue download links, and then download all of them (one by one or parallel, depend on user). Thank you
– Hoang Trinh
How to Empty Caches and Clean All Targets Xcode 4 and later
...option key, now the option "Clean" will change to "Clean Build Folder ..." select that option.
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What's the best three-way merge tool? [closed]
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Good, but no support for selecting folders
– Michael Fitzpatrick
Nov 22 '11 at 21:34
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How do I programmatically change file permissions?
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selecting this one as I don't have the ability to use Marty Lamb's answer.
– Roy Rico
Mar 20 '09 at 0:44
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How to monitor the memory usage of Node.js?
...ght in the memory usage of the current Node.js process. Here is an example from in Node v0.12.2 on a 64-bit system:
$ node --expose-gc
> process.memoryUsage(); // Initial usage
{ rss: 19853312, heapTotal: 9751808, heapUsed: 4535648 }
> gc(); // Force a GC for the baseline.
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How to close Android application?
...ves the HOME key event to itself so that a developer cannot prevent users from leaving their application. However you can determine with the HOME key is pressed by setting a flag to true in a helper class that assumes that the HOME key has been pressed, then changing the flag to false when an even...
Filter LogCat to get only the messages from My Application in Android?
...essage from another libraries. It's like Android Studio current 'Show only selected' filter. Thanks!
– equiman
Jun 26 '18 at 23:24
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How to remove unused C/C++ symbols with GCC and ld?
...executable size and -s removes the symbol table and relocation information from the executable.
Sometimes - if small size is desired - playing around with different optimization flags may - or may not - have significance. For example toggling -ffast-math and/or -fomit-frame-pointer may at times sav...
Converting unix timestamp string to readable date
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Use datetime module:
from datetime import datetime
ts = int("1284101485")
# if you encounter a "year is out of range" error the timestamp
# may be in milliseconds, try `ts /= 1000` in that case
print(datetime.utcfromtimestamp(ts).strftime('%Y-%m...