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How can one check to see if a remote file exists using PHP?
.../favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only save the cost of the HTTP transfer, not the TCP connection establishment and cl...
How would you access Object properties from within an object method? [closed]
...uent objects;Pen.dispenseInkOnto(Surface) makes more sense to me than Pen.getColor().
Getters and setters also encourage users of the class to ask the object for some data, perform a calculation, and then set some other value in the object, better known as procedural programming. You'd be better se...
Programmatically get the version number of a DLL
...
To get it for the assembly that was started (winform, console app, etc...)
using System.Reflection;
...
Assembly.GetEntryAssembly().GetName().Version
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What is :: (double colon) in Python when subscripting sequences?
...y see what is happening, you need to coerce the range to a list, np.array, etc.
– PikalaxALT
Sep 19 '14 at 0:54
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Can a for loop increment/decrement by more than one?
...ep size. For instance, i++ means increment by 1. i+=2 is same as i=i+2,... etc.
Example:
let val= [];
for (let i = 0; i < 9; i+=2) {
val = val + i+",";
}
console.log(val);
Expected results: "2,4,6,8"
'i' can be any floating point or whole number depending on the desired step size.
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How to convert an NSTimeInterval (seconds) into minutes
...rt your NSTimeInterval not only to minutes but also to days, months, week, etc,... I think this is a more generic approach
Use NSCalendar method:
(NSDateComponents *)components:(NSUInteger)unitFlags fromDate:(NSDate *)startingDate toDate:(NSDate *)resultDate options:(NSUInteger)opts
"Returns, as a...
Delimiters in MySQL
...limiter?
Because we want to pass the stored procedure, custom functions etc. to the server as a whole rather than letting mysql tool to interpret each statement at a time.
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How to copy a file to a remote server in Python using SCP or SSH?
...amiliar with the basics of the SSH connection (eg - key exchanges, agents, etc). It probably goes without saying that SSH keys are almost always a better idea than passwords for this sort of stuff.
NOTE: its hard to beat rsync if you plan on transferring files via SSH, especially if the alternative...
How to start a background process in Python?
.... The original shell script starts several processes (utilities, monitors, etc.) in the background with "&". How can I achieve the same effect in python? I'd like these processes not to die when the python scripts complete. I am sure it's related to the concept of a daemon somehow, but I couldn't fi...
Add vertical whitespace using Twitter Bootstrap?
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Thanks. I now have created some spacer10, spacer50, etc classes for this use. I see there is a feature request in github for this already: bit.ly/R9oap9
– Ryan
Sep 5 '12 at 18:34
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