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ETag vs Header Expires
...ient request, the server can then determine whether to send the file (HTTP 200) or tell the client to just use their local copy (HTTP 304). An ETag is basically just a checksum for a file that semantically changes when the content of the file changes.
The Expires header is used by the client (and ...
How can I initialize base class member variables in derived class constructor?
...|
edited Sep 13 '11 at 17:29
answered Sep 13 '11 at 17:12
I...
Where to put view-specific javascript files in an ASP.NET MVC application?
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126
Old question, but I wanted to put my answer incase anyone else comes looking for it.
I too wan...
Fastest hash for non-cryptographic uses?
...
CRC32 is pretty fast and there's a function for it: http://www.php.net/manual/en/function.crc32.php
But you should be aware that CRC32 will have more collisions than MD5 or even SHA-1 hashes, simply because of the reduced length...
What is the “continue” keyword and how does it work in Java?
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System
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answered Dec 23 '08 at 18:53
Diomidis SpinellisDi...
How to draw vertical lines on a given plot in matplotlib?
...al height is plt.axvline
import matplotlib.pyplot as plt
plt.axvline(x=0.22058956)
plt.axvline(x=0.33088437)
plt.axvline(x=2.20589566)
OR
xcoords = [0.22058956, 0.33088437, 2.20589566]
for xc in xcoords:
plt.axvline(x=xc)
You can use many of the keywords available for other plot commands ...
How do you push just a single Git branch (and no other branches)?
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cpjolicoeurcpjolicoeur
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55
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Callback to a Fragment from a DialogFragment
...NT:
DialogFragment dialogFrag = MyDialogFragment.newInstance(123);
dialogFrag.setTargetFragment(this, DIALOG_FRAGMENT);
dialogFrag.show(getFragmentManager().beginTransaction(), "dialog");
break;
}
}
@Override
public void onActivityResult(int req...
Multi-line string with extra space (preserved indentation)
...ram like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use:
cat > $FILE <<- EOM
Line 1.
Line 2.
EOM
You could also store these lines to a variable:
read -r -d...
Why is '+' not understood by Python sets?
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102
Python sets don't have an implementation for the + operator.
You can use | for set union and &a...