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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...ible;
/**
* 在这里实现Fragment数据的缓加载.
* @param isVisibleToUser
*/
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
if(getUserVisibleHint()) {
isVisible = tru...
Is there a shortcut to make a block comment in Xcode?
...places selected text" is checked
Enter the following code:
on run {input, parameters}
return "/*\n" & (input as string) & "*/"
end run
Now you can access that service through Xcode - Services menu, or by right clicking on the selected block of code you wish to comment, or giving it a s...
How to Convert Boolean to String
....net/var_export to understand what the var_export does and what the second param is.
1. var_export
Works for boolean input but converts everything else to a string as well.
// OK
var_export(false, 1); // 'false'
// OK
var_export(true, 1); // 'true'
// NOT OK
var_export('', 1); // '\'\''
// NOT ...
appearanceWhenContainedIn in Swift
...in Swift.
UIAppearance+Swift.h
@interface UIView (UIAppearance_Swift)
/// @param containers An array of Class<UIAppearanceContainer>
+ (instancetype)appearanceWhenContainedWithin: (NSArray *)containers;
@end
UIAppearance+Swift.m
@implementation UIView (UIAppearance_Swift)
+ (instancetype)app...
HTTP GET request in JavaScript?
...
In jQuery:
$.get(
"somepage.php",
{paramOne : 1, paramX : 'abc'},
function(data) {
alert('page content: ' + data);
}
);
share
|
improve this a...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...ile using yeoman's angular-fullstack generated project and removing the IP parameter worked for me.
I replaced this code
server.listen(config.port, config.ip, function () {
console.log('Express server listening on %d, in %s mode', config.port, app.get('env'));
});
with
server.listen(config.p...
Angular IE Caching issue for $http
...with the cache: false option) to the request.
$http({
url: '...',
params: { 'foobar': new Date().getTime() }
})
A perhaps better solution is if you have access to the server, then you can make sure that necessary headers are set to prevent caching. If you're using ASP.NET MVC this answer ...
How can I check if a string is null or empty in PowerShell?
...
If it is a parameter in a function, you can validate it with ValidateNotNullOrEmpty as you can see in this example:
Function Test-Something
{
Param(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[s...
Pointers vs. values in parameters and return values
...compile time. They sometimes accept a pointer to a slice in an interface{} parameter.
Maps, channels, strings, and function and interface values, like slices, are internally references or structures that contain references already, so if you're just trying to avoid getting the underlying data copi...
Convert special characters to HTML in Javascript
...
return code;
};
}
/**
* Encodes special html characters
* @param string
* @return {*}
*/
function html_encode(string) {
var ret_val = '';
for (var i = 0; i < string.length; i++) {
if (string.codePointAt(i) > 127) {
ret_val += '&#' + string.cod...