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Why does struct alignment depend on whether a field type is primitive or user-defined?

... The documentation of StructLayoutAttribute is pretty interesting. Basically, only blittable types are controlled through StructLayout in managed memory. Interesting, never knew that. – Michael Stum♦ Jul 15 '14 at 7:01 ...
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How to create a protocol with methods that are optional?

...tTitle; if ([self.dataSource respondsToSelector:@selector(titleForSegmentAtIndex:)]) { thisSegmentTitle = [self.dataSource titleForSegmentAtIndex:index]; } The respondsToSelector: method uses a selector, which refers to the identifier for a method after compilation. You can provide the correct...
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The transaction manager has disabled its support for remote/network transactions

... both database and client. Also make sure you check "Network DTC Access", "Allow Remote Client", "Allow Inbound/Outbound" and "Enable TIP". To enable Network DTC Access for MS DTC transactions Open the Component Services snap-in. To open Component Services, click Start. In the search box, type d...
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Build the full path filename in Python

... This works fine: os.path.join(dir_name, base_filename + "." + filename_suffix) Keep in mind that os.path.join() exists only because different operating systems use different path separator characters. It smooths over that difference so cross-platform code d...
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Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术

... #include "Ping.h" CPing::CPing() { bValid = FALSE; // Dynamically load the ICMP.DLL hndlIcmp = LoadLibrary("ICMP.DLL"); if (hndlIcmp == NULL) { /*cprintf("Error: Could not load ICMP.DLL\n");*/ return; } // Retrieve ICMP function pointers pIcmpCreateFile = (HANDLE (WI...
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Where is nodejs log file?

...pp.log, " to the respective app.log created by you. After this go to your index.js and include the following code in it. const morgan = require('morgan'); const winston = require('./winston/config'); const express = require('express'); const app = express(); app.use(morgan('combined', { stream: wi...
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Why is the gets function so dangerous that it should not be used?

...icial part of the language up to the 1999 ISO C standard, but it was officially removed by the 2011 standard. Most C implementations still support it, but at least gcc issues a warning for any code that uses it. share ...
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惨不忍睹:说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术

...道   @EZ汽车人:在北京一个月吃饭花200   @贰拾壹-_- :拉屎拉一半,怕饿得快。。。。。。   类型二:不敢出门+避免社交型   @螺丝脱落司机:开启免打扰模式,然后各种宅。   @猪脚L:穷到家里待了一个星...
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Detecting a mobile browser

... @RichardLovejoy when building sites, the ipad is generally not considered a mobile. – Michael Zaporozhets Mar 28 '13 at 11:14 43 ...
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How to delete items from a dictionary while iterating over it?

...-------------------------------------------------- Traceback (most recent call last): File "<ipython console>", line 1, in <module> RuntimeError: dictionary changed size during iteration As stated in delnan's answer, deleting entries causes problems when the iterator tries to move on...