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What is the email subject length limit?
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This answer only addresses the line length limit, not the overall length limit.
– Chalky
Nov 11 '15 at 20:11
1
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Does PNG contain EXIF data like JPG?
...timestamp). And it's also possible to store arbitrary textual data as key=>value pairs, or to define new chunk types. So, you could in theory store any EXIF information... but, alas, in your own custom format. Some attempts to standarize have not caught up, it seems.
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Vagrant ssh authentication failure
...XzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > .ssh/authorized_keys
When done exit the VM and try vagrant ssh again. It should work now.
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What does the “@” symbol mean in reference to lists in Haskell?
...ails function from the standard library:
tails :: [a] -> [[a]]
tails [] = [[]]
tails xxs@(_:xs) = xxs : tails xs
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Conditional import of modules in Python
...ry below way to import json or simplejson
import sys
if sys.version_info > (2, 7):
import simplejson as json
else:
import json
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How to avoid overflow in expr. A * B - C * D
... the following trick using doubles:
if( abs( (double)A*B - (double)C*D ) > MAX_LLONG )
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else
return A*B-C*D;
The problem with this approach is that you are limited by the precision of the mantissa of the doubles (54bits?) so you need to limit the products A*B and C*D to 63+5...
“java.lang.OutOfMemoryError : unable to create new native Thread”
...new Java thread further. Below is the JVM source code
if (native_thread->osthread() == NULL) {
// No one should hold a reference to the 'native_thread'.
delete native_thread;
if (JvmtiExport::should_post_resource_exhausted()) {
JvmtiExport::post_resource_exhausted( ...
What is the difference between POST and GET? [duplicate]
..., POST also lets you send much more information (as URLs are limited in length, for all practical purposes), and lets you send just about any type of data (file upload forms, for example, can't use GET -- they have to use POST plus a special content type/encoding).
Aside from that, a POST connotes ...
How to make git ignore changes in case?
...n described in the question is now re-occuring with Mac OS X, git version >= 1.7.4 (I think). The cure is to set your ignorecase=false and rename the lowercased files (that git changed that way, not Visual Studio) back to their UsualCase by hand (i.e. 'mv myname MyName').
More info here.
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The current branch is not configured for pull No value for key branch.master.merge found in configur
...s' and select 'Create Remote'
Select radio button 'Configure fetch' -> 'Ok'
Select 'Change' opposite 'URI' text box
Enter your git repository details and click 'Finish'
Select 'Save'
You should now be able to pull from the remote repository.
Note - when I tried 'Dry-Run' wh...