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In-place edits with sed on OS X
...
When I try that on mac, I get an error that says "sed: -i may not be used with stdin".
– Christopher Bradshaw
Aug 12 at 23:38
add a c...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
... Time.at(1318996912).to_datetime
=> #<DateTime: 2011-10-18T23:01:52-05:00 (13261609807/5400,-5/24,2299161)>
Further update (for UTC):
ruby-1.9.2-p180 :003 > Time.at(1318996912).utc.to_datetime
=> #<DateTime: 2011-10-19T04:01:52+00:00 (13261609807/5400,0/1,2299161)>
Recen...
load and execute order of scripts
...blah</script><div id="blah"></div>) then you will get an error.
Overall, yes you can include external scripts and then access their functions and variables, but only if you exit the current <script> tag and start a new one.
...
Why is there no std::stou?
...al & mask) == 0 )
uival = (unsigned int)ulval;
else {
...range error...
}
Using masks to do this with the expected value size in bits expressed in the mask, will make this work for 64-bit longs vs 32-bit ints, but also for 32-bit longs vs 32-bit ints.
In the case of 64-bit longs, ~0xf...
Are “elseif” and “else if” completely synonymous?
...ou must not separate else if into two words, or PHP will fail with a parse error.
Which means that in the normal control structure form (ie. using braces):
if (first_condition)
{
}
elseif (second_condition)
{
}
either elseif or else if can be used. However, if you use the alternate syntax, ...
JavaScript hashmap equivalent
...ike industrial solutions?
IMHO, the best code is no code at all: it has no errors, requires no maintenance, easy to understand, and executes instantaneously. All "hash tables in JavaScript" I saw were >100 lines of code, and involved multiple objects. Compare it with: dict[key] = value.
Another p...
What are the default access modifiers in C#?
...specify any access specifier to interface's members then, it shows compile error.
Struct is Internal by default.
Struct members are private by default.
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What is the difference between Normalize.css and Reset CSS?
...nd Normalize.css uses the standard structure and also fixes almost all the errors existing in it. For example it fixes the problem with showing a form from one browser to another. Normalize fixes this by modifying this features so your elements will be shown the same on all browsers.
...
Update a local branch with the changes from a tracked remote branch
... The first command git branch -f --track master origin/master returns an error: fatal: Cannot force update the current branch.
– Mark Kramer
Jun 22 '17 at 15:54
...
Best practices for overriding isEqual: and hash
...])
return NO;
This repeatedly failed (i.e., returned NO) without and error, when I knew the objects were identical in my unit testing. The reason was, one of the NSString instance variables was nil so the above statement was:
if (![nil isEqual: nil])
return NO;
and since nil will respon...