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How to prevent gcc optimizing some statements in C?
...ready...
unsigned char *pageptr = ...;
((unsigned char volatile *)pageptr)[0] = pageptr[0];
The volatile type qualifier instructs the compiler to be strict about memory stores and loads. One purpose of volatile is to let the compiler know that the memory access has side effects, and therefore mus...
How can I check whether a option already exist in select by JQuery
...it already exists:
$("#yourSelect option[value='yourValue']").length > 0;
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'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
...Files.
– bladefist
Jan 13 '14 at 19:02
5
Add Reference -> Assemblies -> Extensions. If it ...
Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
...Tomcat already running. You can confirm this by going to http://localhost:8080 in your webbrowser and check if you get the Tomcat default home page or a Tomcat-specific 404 error page. Both are equally valid evidence that Tomcat runs fine; if it didn't, then you would have gotten a browser specific ...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
...h_profile.
– Honza
Jun 1 '13 at 17:30
1
Let me correct myself: systems do not have .bashrc callin...
Is there an AddRange equivalent for a HashSet in C#
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edited Aug 9 '18 at 0:08
Neuron
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answered M...
WPF Command Line
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answered Jan 8 '09 at 23:13
Matt HamiltonMatt Hamilton
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MongoDB, remove object from array
...
try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
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Combine :after with :hover
...elected:after, #alertlist li:hover:after
{
position:absolute;
top: 0;
right:-10px;
bottom:0;
border-top: 10px solid transparent;
border-bottom: 10px solid transparent;
border-left: 10px solid #303030;
content: "";
}
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What does the brk() system call do?
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edited Aug 4 '19 at 10:48
Sandra Rossi
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answ...