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Clang optimization levels
On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
...
Reset/remove CSS styles for element only
...nguage-override: unset;
font-size-adjust: unset;
font-size: unset;
font-stretch: unset;
font-style: oblique;
font-synthesis: unset;
font-variant: unset;
font-weight: unset;
font: ;
force-broken-image-icon: unset;
height: unset;
hyphens: unset;
image-orientation: unset;
image-region: unset;
image-ren...
JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ibrary is contained in various JARs, such as rt.jar, deploy.jar, jsse.jar, etc. When the JRE is packaged, these critical JAR files are compressed with Pack200 and stored as rt.pack, deploy.pack, jsse.pack, etc. The Java installer is supposed to uncompress them. If you are experiencing this error, ap...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
... features.
There are extensions being developed
for NUnit, like row-tests, etc.
Visual Studio tests take a long time
to start up for some reason. This is
better in Visual Studio 2008,
but it is still too slow
for my taste. Quickly running a test
to see if you didn't break something
can take too lo...
How do I execute a stored procedure once for each row returned by query?
...ect field1, field2 from sometable where someotherfield is null
open cur
fetch next from cur into @field1, @field2
while @@FETCH_STATUS = 0 BEGIN
--execute your sproc on each row
exec uspYourSproc @field1, @field2
fetch next from cur into @field1, @field2
END
close cur
deallocate cu...
Why are unnamed namespaces used and what are their benefits?
...
An anonymous namespace makes the enclosed variables, functions, classes, etc. available only inside that file. In your example it's a way to avoid global variables. There is no runtime or compile time performance difference.
There isn't so much an advantage or disadvantage aside from "do I want...
Virtual Serial Port for Linux
...0 to /dev/tnt7 where tnt0 is connected to tnt1, tnt2 is connected to tnt3, etc.
You may need to fix the file permissions to be able to use the devices.
edit:
I guess I was a little quick with my enthusiasm. While the driver looks promising, it seems unstable. I don't know for sure but I think it ...
git:// protocol blocked by company, how can I get around that?
... STATE SERVICE
80/tcp open http
9418/tcp filtered git
# Using Netcat:
# Returns 0 if the git protocol port IS NOT blocked
# Returns 1 if the git protocol port IS blocked
$ nc github.com 9418 < /dev/null; echo $?
1
# Using CURL
# Returns an exit code of (7) if the git protocol port IS...
Why declare a struct that only contains an array in C?
... (so it allows cleaner code - it won't make any difference in speed etc)
– John Carter
Aug 6 '11 at 11:51
...
How to efficiently concatenate strings in go
...xample: For the peeking behavior when the bytes are passed to an io.Reader etc.
Note
Do not copy a StringBuilder value as it caches the underlying data.
If you want to share a StringBuilder value, use a pointer to it.
Check out its source code for more details, here.
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