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What blocks Ruby, Python to get Javascript V8 speed? [closed]
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What blocks Ruby, Python to get Javascript V8 speed?
Nothing.
Well, okay: money. (And time, people, resources, but if you have money, you can buy those.)
V8 has a team of brilliant, highly-specialized, highly-experienced (and thus highly-paid) engineers wor...
WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
...e to be group-readable (using ssh not for personal login, but to execute a script on a remote server, dedicated user on the remote server for this purpose, authorized_keys locked down so only said script will run, and multiple persons on the origin server should have access to run the script). Oh w...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...succeed, but Firefox does not pass the contents of the response to the Javascript.
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What is the purpose of the : (colon) GNU Bash builtin?
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$ ./vecho
$ VERBOSE=1 ./vecho
Verbose echo is ON
This makes for a clean script. This cannot be done with '#'.
Also,
: >afile
is one of the simplest ways to guarantee that 'afile' exists but is 0 length.
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Looping through a hash, or using an array in PowerShell
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Shorthand is not preferred for scripts; it is less readable. The %{} operator is considered shorthand. Here's how it should be done in a script for readability and reusability:
Variable Setup
PS> $hash = @{
a = 1
b = 2
c = 3
}
PS> $hash...
400 vs 422 response to POST of data
...on Failed",
"errors": [
{
"resource": "Issue",
"field": "title",
"code": "missing_field"
}
]
}
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Download File to server from URL
...e. If allow_fopen_url Off is set in php.ini (good idea for security), your script would be broken.
– PleaseStand
Oct 15 '10 at 0:43
4
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sed beginner: changing all occurrences in a folder
...res of sed that are specific to linux or BSD. Instead I use the overwrite script from Kernighan and Pike's book on the Unix Programming Environment.
The command is then
find /the/folder -type f -exec overwrite '{}' sed 's/old/new/g' {} ';'
And the overwrite script (which I use all over the plac...
Styles.Render in MVC4
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This is talking about styles, not scripts. If you want to use bootstrap.min.js, just create a bundle like this: bundles.Add(new ScriptBundle("~/bundles/bootstrap").Include( "~/Scripts/bootstrap.min.js"));
– Xcalibur...
What is the advantage of GCC's __builtin_expect in if else statements?
...re a more portable way of hinting branch prediction to the compiler.
The title of your question made me think of doing it this way:
if ( !x ) {} else foo();
If the compiler assumes that 'true' is more likely, it could optimize for not calling foo().
The problem here is just that you don't, in ...