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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...----+
| version() |
+------------+
| 5.5.21-log |
+------------+
1 row in set (0.00 sec)
mysql> SHOW GRANTS FOR 'root'@'localhost';
+---------------------------------------------------------------------+
| Grants for root@localhost |
+------------------...
Xcode changes unmodified storyboard and XIB files
...oard files?
Xcode uses the NSXML API to parse storyboard files into some NSSet-based logical tree structure. When Xcode needs to write changes it creates an NSXMLDocument based on the logical tree structure, clears the storyboard file and calls XMLDataWithOptions: to fill the file again. Because set...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中维护用户id和shard的关系，为了保证可用性，搭建replicatset集群。
biz的sharding和数据库的sharding是一一对应的，只访问一个数据库sharding.
biz业务注册节点到zookeeper上/bizs/shard/下。
router监听zookeeper上/bizs/下节点状态，缓存在线bi...
HTML for the Pause symbol in audio and video control
...sing UTF-8 encoding without BOM (which in most development environments is set by default) in order to instruct the parser how to transform the bytes into characters correctly. <meta charset="utf-8"/> should be used immediately after <head> in a HTML file, and make sure the correct HTTP...
chart.js load totally new data
The API for chart.js allows one to edit points of the datasets loaded into it, for example:
19 Answers
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How do I get the path of a process in Unix / Linux
...e's a suitable executable binary with the same name.
Note that argv[0] is set by the process that execs the program, so it is not 100% reliable.
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Copy constructor versus Clone()
...a mixture of deep and shallow copying is what I need.
Ex:
public class BaseType {
readonly int mBaseField;
public BaseType(BaseType pSource) =>
mBaseField = pSource.mBaseField;
public virtual BaseType Clone() =>
new BaseType(this);
}
public class SubType : BaseType {
...
How to dynamically create a class?
...dBuilder);
getIl.Emit(OpCodes.Ret);
MethodBuilder setPropMthdBldr =
tb.DefineMethod("set_" + propertyName,
MethodAttributes.Public |
MethodAttributes.SpecialName |
MethodAttributes.HideBySig,
...
Google Play on Android 4.0 emulator
... /system/app/. # Vending.apk in older versions
adb shell rm /system/app/SdkSetup*
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Are there any smart cases of runtime code modification?
...me (this is called dynamic binary translation):
Emulators like Apple's Rosetta use this technique to speed up emulation. Another example is Transmeta's code morphing software.
Sophisticated debuggers and profilers like Valgrind or Pin use it to instrument your code while it is being executed.
Befo...