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How to identify server IP address in PHP
... a third approach by doing something like this:
$external_ip = exec('curl http://ipecho.net/plain; echo');
This has its own flaws (relies on a specific third-party site, and there could be network settings that route outbound connections through a different host or proxy) and like gethostbyname i...
What is causing “Unable to allocate memory for pool” in PHP?
...need to flush cache.
Just read the manual to understand how ttl is used : http://www.php.net/manual/en/apc.configuration.php#ini.apc.ttl
The solution is to increase memory allocated to APC.
Do this by increasing apc.shm_size.
If APC is compiled to use Shared Segment Memory you will be limited by ...
Detecting iOS / Android Operating system
...(userAgent)) {
return "Android";
}
// iOS detection from: http://stackoverflow.com/a/9039885/177710
if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
return "iOS";
}
return "unknown";
}
...
How do I disable “missing docstring” warnings at a file-level in Pylint?
... docstring (some even argue that they should disappear altogether, see eg. http://hackerboss.com/get-rid-of-templates/)
With pylint 2.4 and above you can differentiate between the various missing-docstring by using the three following sub-messages:
C0114 (missing-module-docstring)
C0115 (missing...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...ding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
...
<dict>
...
<key>JVMVersion</key>
<string>!1.8.0</string&g...
Javascript “this” pointer within nested function
...= new mySecondObject();
secondObject.getName();
you can try it out here:
http://jsfiddle.net/kSTBy/
What's happening in your function is "doSomeEffects()", is being called explicitly, this means context or the "this" of the function is the window. if "doSomeEffects" was a prototype method e.g. t...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
...r of desirability.
Maybe It Exists Already
Always check DefinitelyTyped (https://github.com/DefinitelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likely the thing you're using is already there.
You should also check TypeSearch (ht...
How to get result of console.trace() as string in javascript with chrome or firefox?
...nknown source)
at Object.evaluate (unknown source)
and in Firefox:
@http://www.google.com.ua/:87 _firebugInjectedEvaluate("with(_FirebugCommandLine){try { var a = {}; a.debug() } catch(ex) {console.log(ex.stack)}\n};")
@http://www.google.com.ua/:87 _firebugEvalEvent([object Event])
@http://ww...
How do I detect whether a Python variable is a function?
...w undeprecated, so you can use it again. You can read the discussion here: http://bugs.python.org/issue10518. You can do this with:
callable(obj)
If this is for Python 3.x but before 3.2, check if the object has a __call__ attribute. You can do this with:
hasattr(obj, '__call__')
The oft-sugge...
Setting a property by reflection with a string value
...volving nullable types you will start receiving InvalidCastExceptions:
http://weblogs.asp.net/pjohnson/archive/2006/02/07/Convert.ChangeType-doesn_2700_t-handle-nullables.aspx
A wrapper was written a few years ago to handle this but that isn't perfect either.
http://weblogs.asp.net/pjohnso...