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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
I tried to use USB devices without any success. It seems they are not detected by Virtualbox itself, since if I select the guest from the Virtualbox home (I'm using a Windows XP 3 guest), choose Settings -> USB -> Add filter from device, no devices is listed, even if an USB pen is attached and recog...
iPhone: Setting Navigation Bar Title
...pretty new to iPhone development, and I'm having a bit of trouble figuring out how to change the title of my Navigation Bar. On another question on this site somebody recommended using :
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sql server #region
...apse you just can't dictate what should be expanded and collapsed. Not without a third-party tool such as SSMS Tools Pack.
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MongoDB or CouchDB - fit for production? [closed]
...ome people who are using mongo in production.
If you have any questions about the scale or scope of production deployments, post on our user list and we'll be more than happy to help.
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How can I see the request headers made by curl when sending a request to the server?
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I think curl -v is the easiest. It will spit out the request headers (lines prefixed with '>') without having to write to a file:
$ curl -v -I -H "Testing: Test header so you see this works" http://stackoverflow.com/
* About to connect() to stackoverflow.com port 80...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...'s not included in CLI Kernel profile either).
As soon as you use a method outside BCL, you are giving up a bit of portability (and this is becoming increasingly important with the advent of non-.NET CLI implementations like Silverlight and MonoTouch). Even if an implementation wanted to increase c...
java.util.regex - importance of Pattern.compile()?
...s to perform an actual match. So it usually makes sense to pull that step out of the loop. You can create the Matcher ahead of time as well, though they're not nearly so expensive:
Pattern p = Pattern.compile("\\d+");
Matcher m = p.matcher("");
for (String s : myStringList) {
if ( m.reset(s)....
How to calculate a Mod b in Casio fx-991ES calculator
...ainder is 1/2 which is 4/8 so mod is 4.
EDIT:
As @lawal correctly pointed out, this method is a little bit tricky for negative numbers because the sign of the result would be negative.
For example -121 / 26 = -4 17/26, thus, mod is -17 which is +9 in mod 26. Alternatively you can add the modulo ba...
Why does integer overflow on x86 with GCC cause an infinite loop?
... Oh wow. I wasn't aware of -fwrapv. Thanks for pointing this out.
– Mysticial
Oct 7 '11 at 2:38
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What did MongoDB not being ACID compliant before v4 really mean?
...the remaining bit, use a background process to cleanup records that may be out of sync. For example, I remove items from inventory and add them to a reservedInventory array of the same document using atomic modifiers.
This lets me always know that items are NOT available in the inventory (becaus...