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“Collection was mutated while being enumerated” on executeFetchRequest
...nator:[self.managedObjectContext persistentStoreCoordinator]];
...in the _importData method (just before to register the controller as observer for the notification) solves the problem.
Thanks for your help, Peter. And thanks to Fred McCann's for its valuable blog post !
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How to override a JavaScript function
...or preferably extend it's implementation like this
parseFloat = (function(_super) {
return function() {
// Extend it to log the value for example that is passed
console.log(arguments[0]);
// Or override it by always subtracting 1 for example
arguments[0] = argume...
UILabel Align Text to center
... code: // Deprecated: use NSTextAlignment enum in UIKit/NSText.h typedef NS_ENUM(NSInteger, UITextAlignment) { UITextAlignmentLeft = 0, UITextAlignmentCenter, UITextAlignmentRight, // could add justified in future } NS_DEPRECATED_IOS(2_0,6_0);
– a...
Detecting Windows or Linux? [duplicate]
...che commons lang has a class SystemUtils.java
you can use :
SystemUtils.IS_OS_LINUX
SystemUtils.IS_OS_WINDOWS
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How to create a circular ImageView in Android? [duplicate]
...e) drawable).getBitmap();
Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true);
int w = getWidth();
@SuppressWarnings("unused")
int h = getHeight();
Bitmap roundBitmap = getCroppedBitmap(bitmap, w);
canvas.drawBitmap(roundBitmap, 0, 0, null);
}...
scoped_ptr 与 auto_ptr 与 shared_ptr 区别总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
scoped_ptr 与 auto_ptr 与 shared_ptr 区别总结1.auto_ptr 被复制后,将失去原来所致资源的所有权;2.scoped_ptr永远不能被复制或被赋值!scoped_ptr拥有它所指向的资源的所有权,并永远不会放弃这个所有权;3.shared_ptr 是可以共享所有权的...
phpcms v9与ucenter通信失败 完美解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用名称:phpsso
应用的主 URL:http://localhost/phpcms/phpsso_server (必填, phpcms 安装路径,视实际情况而定,最后不要带斜线)
应用 IP:(选填,正常情况下留空即可。如果由于域名解析问题导致 UCenter 与该应用通信失败,...
App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
App Inventor 2 连接调试器的几种方式的比较app_inventor_2_debug从功能上来说大致分为3类,即:但是每种类型下面仍有一些不同的选择,下面开始介绍各种连接方式的特点。连接方式测试介质特点AI伴侣Android手机特别适合小朋友,简单...
APP被手机识别为疑似病毒 - App应用开发 - 清泛IT社区,为创新赋能!
...是什么原因呀,有什么方法可以不被识别为病毒软件吗{:8_385:}
1、如果纯本地使用,忽略警告,加入白名单,继续安装,使用上没有任何问题。有些手机有所谓的“纯净模式”阻止安装,可以考虑在设置中关闭它。
2、如果想...
What's the difference between array_merge and array + array?
...ruth regarding the OP). 2. See Yehosef's answer about what array_merge actually does... 3. And see BoltClock's answer about another crucial difference not mentioned here: array_merge resets numeric keys, unlike +.
– Sz.
Sep 20 '18 at 23:31
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