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Function in JavaScript that can be called only once
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If by "won't be executed" you mean "will do nothing when called more than once", you can create a closure:
var something = (function() {
var executed = false;
return function() {
if (!executed) {
executed = true;
// do something
}
...
What are the differences between WCF and ASMX web services?
...ly that WCF would need to add a streamlined K.I.S.S. configuration mode in order to completely replace ASMX.
Example web.config for an ASMX webservice:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<appSettings />
<system.web>
<compilation targetFramewor...
iReport not starting using JRE 8
I have downloaded and installed the iReport 4.5 using te Windows installer. But when I try to start the iReport it shows the splash screen but does not start.
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Where to place $PATH variable assertions in zsh?
...hWiki ZSH link says:
At login, Zsh sources the following files in this order:
/etc/profile
This file is sourced by all Bourne-compatible shells upon login
This implys that /etc/profile is always read by zsh at login - I haven't got any experience with the Arch Linux project; the wiki may b...
Form onSubmit determine which submit button was pressed [duplicate]
...the browser will
// automatically choose the first in source-order
// so we do the same here
submitActor = $submitActors[0];
}
console.log(submitActor.name);
// alert(submitActor.name);
return false;
});
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How to sort the letters in a string alphabetically in Python
...Hello World!"
>>>"".join(sorted(a))
' !!HWdellloor'
CORRECT: In order to write the sorted string without changing the case of letter. Use the code:
>>> a = "Hello World!"
>>> "".join(sorted(a,key=lambda x:x.lower()))
' !deHllloorW'
If you want to remove all punctuatio...
How can I reference a commit in an issue comment on GitHub?
... named test. You can leave a comment on the issue and reference the commit by dev@e9c11f0a (where e9c11f0a is the first 8 letters of the sha hash of the commit you want to link to) if that makes sense.
share
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How do I create ColorStateList programmatically?
...N: See Roger Alien's answer (and its first comment) to understand that the order of states here is poor: because "enabled" is first, it will override other states that typically occur while a button is enabled. Better to put "enabled" last. (Or instead of "enabled", an empty/default item last.)
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Go build: “Cannot find package” (even though GOPATH is set)
...ce isn't found there—it searches for src/widget inside each workspace in order.
(a "workspace" is a path entry in your GOPATH: that variable can reference multiple paths for your 'src, bin, pkg' to be)
(Original answer)
You also should set GOPATH to ~/go, not GOROOT, as illustrated in "How to Wr...
How to change the background color of the options menu?
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After spending a considerable amount of time trying all the options, the only way I was able to get an app using AppCompat v7 to change the overflow menu background was using the itemBackground attribute:
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"&...