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How does git compute file hashes?
... | shasum
8ab686eafeb1f44702738c8b0f24f2567c36da6d
Source: http://alblue.bandlem.com/2011/08/git-tip-of-week-objects.html
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PHP - Check if two arrays are equal
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$arraysAreEqual = ($a == $b); // TRUE if $a and $b have the same key/value pairs.
$arraysAreEqual = ($a === $b); // TRUE if $a and $b have the same key/value pairs in the same order and of the same types.
See Array Operators.
EDIT
The inequality operator is != whil...
Heroku/GoDaddy: send naked domain to www [closed]
...ed domain for my website to redirect to the www domain. I am using Heroku and have the domain from GoDaddy. Because of Heroku, my A records are already set up as:
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Check if a string is html or not
...se. If you use a < b && a > c the browser will turn the > and < characters into &gt; and &lt; entities appropriately. If, instead, you use a<b && a>c the browser will interpret the markup as a<b && a>c</b> because the lack of a space mean...
How do I use Assert to verify that an exception has been thrown?
...message is treated as a string that needs to matcvh the exception message (and IU think that makes more sense)
– Ruben Bartelink
Jun 25 '09 at 10:48
29
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Is there a limit to the length of HTML attributes?
... So the answer should be "unlimited" then?
– Anders Lindén
Aug 11 '15 at 14:41
2
Thank y...
filters on ng-model in an input
I have a text input and I don't want to allow users to use spaces, and everything typed will be turned into lowercase.
8 An...
Fast way to discover the row count of a table in PostgreSQL
...IN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relname = 'mytable'
AND n.nspname = 'myschema'
Or better still
SELECT reltuples::bigint AS estimate
FROM pg_class
WHERE oid = 'myschema.mytable'::regclass;
Faster, simpler, safer, more elegant. See the manual on Object Identifier Type...
Comparing Java enum members: == or equals()?
I know that Java enums are compiled to classes with private constructors and a bunch of public static members. When comparing two members of a given enum, I've always used .equals() , e.g.
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What is the purpose of XORing a register with itself? [duplicate]
...t is more efficient.
The opcode is shorter than mov eax, 0, only 2 bytes, and the processor recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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