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Dual emission of constructor symbols
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We'll start by declaring that GCC follows the Itanium C++ ABI.
According to the ABI, the mangled name for your Thing::foo() is easily parsed:
_Z | N | 5Thing | 3foo | E | v
prefix | nested | `Thing` | `foo`| end neste...
Is HttpClient safe to use concurrently?
...ead safe (thanks @ischell):
CancelPendingRequests
DeleteAsync
GetAsync
GetByteArrayAsync
GetStreamAsync
GetStringAsync
PostAsync
PutAsync
SendAsync
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
... would cause circular references over multiple classes. We muddled through by carefully balancing strong and weak pointers, but anytime we want to change something, we have to study a big relationship chart. GC might have been better, but some of the components held resources that should be release ...
What is the Java ?: operator called and what does it do?
...he third operand expression to be an invocation of a void method.
In fact, by the grammar of expression statements (§14.8), it is not permitted for a conditional expression to appear in any context where an invocation of a void method could appear.
So, if doSomething() and doSomethingElse() are vo...
jQuery append() - return appended elements
...s:
$(newHtml).appendTo('#myDiv').effects(...);
This turns things around by first creating newHtml with jQuery(html [, ownerDocument ]), and then using appendTo(target) (note the "To" bit) to add that it to the end of #mydiv.
Because you now start with $(newHtml) the end result of appendTo('#myD...
Disable messages upon loading a package
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Use suppressPackageStartupMessages, see the answer by @MehradMahmoudian. For completeness, adding examples of usage:
For one library, use suppressPackageStartupMessages(...), for example:
suppressPackageStartupMessages(library(ggplot2))
For multiple libraries, use suppres...
Bash Script : what does #!/bin/bash mean? [duplicate]
..., when executed.
In your example, the script is to be interpreted and run by the bash shell.
Some other example shebangs are:
(From Wikipedia)
#!/bin/sh — Execute the file using sh, the Bourne shell, or a compatible shell
#!/bin/csh — Execute the file using csh, the C shell, or a compatible ...
How to change a module variable from another module?
... directly with import bar in __init__.py and conduct your experiment there by setting bar.a = 1. This way, you will actually be modifying bar.__dict__['a'] which is the 'real' value of a in this context.
It's a little convoluted with three layers but bar.a = 1 changes the value of a in the module c...
What are unit tests, integration tests, smoke tests, and regression tests?
...nd, apparently, with plumbing, where a system of pipes is literally filled by smoke and then checked visually. If anything smokes, the system is leaky.
Regression test: A test that was written when a bug was fixed. It ensures that this specific bug will not occur again. The full name is "non-regres...
C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
...ly without making a request to the store, if that entity is already loaded by the context.
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