大约有 47,000 项符合查询结果（耗时：0.0384秒） [XML]
How do I get the day of the week with Foundation?
...ter alloc] init] ;
[dateFormatter setDateFormat:@"EEEE"];
NSDate *now = [[NSDate alloc] init];
NSString *dateString = [format stringFromDate:now];
NSString *theDate = [dateFormat stringFromDate:now];
NSString *theTime = [timeFormat stringFromDate:now];
NSString *week = [dat...
Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...
I hear Matlab has lazy evaluation now. If not, we do have the technology to implement them.
– Dmitry
Dec 11 '16 at 21:57
...
setState vs replaceState in React.js
... that this.state is {foo: 42}
this.setState({bar: 117})
// this.state is now {foo: 42, bar: 117}
this.setState({foo: 43})
// this.state is now {foo: 43, bar: 117}
this.replaceState({baz: "hello"})
// this.state. is now {baz: "hello"}
Take note of this from the docs, though:
setState() d...
Why won't my PHP app send a 404 error?
...along whatever PHP gave me
In addition to providing a 404 header, PHP is now responsible for outputting the actual 404 page.
share
|
improve this answer
|
follow
...
How to check for an active Internet connection on iOS or macOS?
...
Use of www.appleiphonecell.com is now (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– Blu...
Java using enum with switch statement
...ue and then switch on the enum value.
enum GuideView {
SEVEN_DAY,
NOW_SHOWING,
ALL_TIMESLOTS
}
// Working on the assumption that your int value is
// the ordinal value of the items in your enum
public void onClick(DialogInterface dialog, int which) {
// do your own bounds checking...
How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?
...
MD5 appears in logcat now (not in the window during creation).
– Tool
Aug 9 '13 at 18:16
4
...
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...time (downside: will only work on fairly recent devices, where -xxhdpi is known).
Option #2: Use Android Asset Studio to downsample them for you.
Option #3: Automate the process within a graphics editor, per ssantos' answer.
Option #4: Script yourself a solution, using something like ImageMagick.
Op...
Why does setTimeout() “break” for large millisecond delay values?
...
You can use:
function runAtDate(date, func) {
var now = (new Date()).getTime();
var then = date.getTime();
var diff = Math.max((then - now), 0);
if (diff > 0x7FFFFFFF) //setTimeout limit is MAX_INT32=(2^31-1)
setTimeout(function() {runAtDate(date, func...
iPhone App Minus App Store?
...r AccelerometerGraph.app root@jasoniphone:/Applications/
Let SpringBoard know the new application has been installed:
ssh mobile@jasoniphone.local uicache
This only has to be done when you add or remove applications. Updated applications just need to be relaunched.
To make life easier for y...