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When should you not use virtual destructors?
...re is your good reason not to use a virtual dtor?
– mxcl
Nov 19 '08 at 15:25
9
I think that when ...
gdb: how to print the current line or find the current line number?
... what you are looking for. (This can be abbreviated just 'f'). Here is an example:
(gdb) frame
\#0 zmq::xsub_t::xrecv (this=0x617180, msg_=0x7ffff00008e0) at xsub.cpp:139
139 int rc = fq.recv (msg_);
(gdb)
Without an argument, 'frame' just tells you where you are at (with an argument it ...
Simple way to find if two different lists contain exactly the same elements?
What is the simplest way to find if two Lists contain exactly the same elements, in the standard Java libraries?
16 Answer...
How can you check which options vim was compiled with?
...
You can see everything vim was compiled with by executing
:version
To query for an exact feature like python you can use the has() function with the feature you are looking for. The code below will return a 1 if it has the feature or 0 if it does not.
:echo has('python'...
重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...试平台。其中的压力测试工具更是打出了如此口号——“x万8，x万8，只要x万8，机器任你压”，客官确定不要来用用看？）
ServerCenter模块是基于互娱研发部的tsf4j框架开发的，简单地说，这是压测后台的消息中转主模块，把...
Does JSON syntax allow duplicate keys in an object?
...
From the standard (p. ii):
It is expected that other standards will refer to this one, strictly adhering to the JSON text format, while
imposing restrictions on various encoding details. Such standards may require specific behaviours. JSON
itself specif...
Count number of objects in list [closed]
...
length(x)
Get or set the length of vectors (including lists) and factors, and of any other R object for which a method has been defined.
lengths(x)
Get the length of each element of a list or atomic vector (is.atomic) as a...
Defining and using a variable in batch file
... referenced with %location %. If that’s not what you want, remove the extra space(s) in the definition.
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Build fat static library (device + simulator) using Xcode and SDK 4+
...k nicely with Archive mode.
RECENT CHANGES:
1. Added support for iOS 10.x (while maintaining support for older platforms)
Info on how to use this script with a project-embedded-in-another-project (although I highly recommend NOT doing that, ever - Apple has a couple of show-stopper bugs in Xcod...
undefined method `source_index' for Gem:Module (NoMethodError)
...0.2 for me, and 1.9.3-p327 has RubyGems v1.8.23 installed.
Gem.source_index has been deprecated for a while, but since Rails 2.3 is not getting any updates except critical security patches, this will never get fixed. RubyGems v2.0 finally removed that method. Downgrade to any rubygems version prior...