大约有 13,700 项符合查询结果(耗时:0.0470秒) [XML]
How can I programmatically determine if my app is running in the iphone simulator?
...er "Compiling source code conditionally"
The relevant definition is TARGET_OS_SIMULATOR, which is defined in /usr/include/TargetConditionals.h within the iOS framework. On earlier versions of the toolchain, you had to write:
#include "TargetConditionals.h"
but this is no longer necessary on the ...
Min/Max of dates in an array?
...
_.min and _.max work on arrays of dates; use those if you're using Lodash or Underscore, and consider using Lodash (which provides many utility functions like these) if you're not already.
For example,
_.min([
new Date(...
remove objects from array by object property
...d:'efg',name:'em'},
{id:'hij',name:'ge'}];
items.splice(_.indexOf(items, _.findWhere(items, { id : "abc"})), 1);
With ES5 or higher
(without lodash/underscore)
With ES5 onwards we have findIndex method on array, so its easy without lodash/underscore
items.splice(items.findIn...
Difference between “git checkout ” and “git checkout -- ”
...ould normally discard uncommitted changes
# to the _file_ "README"
git checkout master # would normally switch the working copy to
# the _branch_ "master"
git checkout -- master # discard uncommitted changes to the _file_ "master"
and option/f...
Selenium: FirefoxProfile exception Can't load the profile
...y 2.26.0 (current at time of update) it is fixed.
This error means that _wait_until_connectable is timing out, because for some reason, the code cannot connect to the webdriver extension that has been loaded into the firefox.
I have just reported an error to selenium where I am getting this erro...
Base 64 encode and decode example code
...Charsets:
// Sending side
byte[] data = text.getBytes(StandardCharsets.UTF_8);
String base64 = Base64.encodeToString(data, Base64.DEFAULT);
// Receiving side
byte[] data = Base64.decode(base64, Base64.DEFAULT);
String text = new String(data, StandardCharsets.UTF_8);
...
trying to animate a constraint in swift
...t tapGesture = UITapGestureRecognizer(target: self, action: #selector(doIt(_:)))
textView.addGestureRecognizer(tapGesture)
}
@objc func doIt(_ sender: UITapGestureRecognizer) {
heightConstraint.constant = heightConstraint.constant == 50 ? 150 : 50
UIView.animate(with...
Node.js Mongoose.js string to ObjectId function
...n it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
...
Double vs. BigDecimal?
...e rounding errors you get in base 10.
– procrastinate_later
Aug 21 '13 at 15:59
3
Good point abou...
Draw line in UIView
...Path(context); before CGContextMoveToPoint(...);?
– i_am_jorf
Nov 9 '11 at 18:38
37
Using a view ...