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How do emulators work and how are they written? [closed]
... state is a conglomeration of the processor registers, interrupt handlers, etc for a given processor target. For the 6502, you'd have a number of 8-bit integers representing registers: A, X, Y, P, and S; you'd also have a 16-bit PC register.
With interpretation, you start at the IP (instruction poi...
filter for complete cases in data.frame using dplyr (case-wise deletion)
...f the filter function. That would allow a neat integration in dplyr chains etc.
– user2503795
Mar 12 '14 at 14:38
Chec...
How to change the default collation of a table?
... and therefore need to run through the table and make updates, locking it, etc.?
– grant
Nov 3 '15 at 21:12
utf8_bin i...
Encoding URL query parameters in Java
... find only expose public methods to encode the query, fragment, path parts etc. - but don't expose the "raw" encoding. This is unfortunate as fragment and query are allowed to encode space to +, so we don't want to use them. Path is encoded properly but is "normalized" first so we can't use it for '...
What is 'Context' on Android?
...plication).
You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a class that extends from Context, such as the Application, Activity, Service and IntentService classes).
Typical uses of context:
Creating new objects:
Creating new views, ad...
How can I check if a URL exists via PHP?
...returned by get_headers() are well formed.
Use curl (if you can).
Prevent fetching the entire body/content, but only request the headers.
Consider redirecting urls:
Do you want the first code returned?
Or follow all redirects and return the last code?
You might end up with a 200, but it could redire...
Unicode (UTF-8) reading and writing to files in Python
...used to decode it e.g., it is б (U+0431) in cp1251, с (U+0441) in cp866, etc.
– jfs
Jun 15 '13 at 6:31
11
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Timing a command's execution in PowerShell
... the properties you have access to, like $t.Milliseconds, $t.TotalSeconds, etc. Then we can write to whatever output we want, for instance, Write-Host That command took $t.TotalSeconds to complete.
– Baodad
Jan 21 '14 at 19:49
...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
... FQDN:
host.server4-245.com
Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match.
/etc/hosts:
127.0.0.1 localhost.localdomain localh...
What is the email subject length limit?
...dle of it and mesh it all that comes after, including body text, attaches, etc... all a mesh!
I have several examples like this one:
Subject: =?ISO-8859-1?Q?Actas de la obra N=BA.20100154 (Expediente N=BA.20100182) "NUEVA RED FERROVIARIA.=
TRAMO=20BEASAIN=20OESTE(Pedido=20PC10/00123-125),=20BEASA...