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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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Using Node.js only vs. using Node.js with Apache/Nginx
...attacks against Node. For a real-world example, CVE-2013-4450 is prevented by running something like Nginx in front of Node.
I'll caveat the second bullet point by saying you should probably be serving your static files via a CDN, or from behind a caching server like Varnish. If you're doing this ...
What are the minimum margins most printers can handle?
...values it enters are the smallest margins the device supports are reported by the driver. The Lexmark laser beside me shows .248".
– Douglas Anderson
Oct 11 '11 at 18:47
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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...
Set ImageView width and height programmatically?
...r task:
setContentView(R.id.main);
ImageView iv = (ImageView) findViewById(R.id.left);
int width = 60;
int height = 60;
LinearLayout.LayoutParams parms = new LinearLayout.LayoutParams(width,height);
iv.setLayoutParams(parms);
and another way if you want to give screen size in height and width...
AngularJS : ng-model binding not updating when changed with jQuery
...rks. When you assign the scope variable to an object, you are assigning it by reference, as opposed to by value as done when a var is set equal to a primitive value. I talked about about it in my post here. stackoverflow.com/questions/14527377/…. I referenced this plunk I made in that post to il...
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...