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.NET - Dictionary locking vs. ConcurrentDictionary
... Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all require some kind of locking, or rather explicit access in some way or another.
On the other hand, cons...
Set folder browser dialog start location
...lder.DesktopDirectory)
"If the SelectedPath property is set before showing the dialog box, the folder with this path will be the selected folder, as long as SelectedPath is set to an absolute path that is a subfolder of RootFolder (or more accurately, points to a subfolder of the shell namespac...
Highlight all occurrence of a selected word?
...e setting rather than always turning it off.
– David Winslow
Aug 8 '10 at 1:23
1
Also, be aware t...
How to serialize an object into a string
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What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
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Please be aware that the accepted answer is a bit incomplete. Yes, at the most basic level Collation handles sorting. BUT, the comparison rules defined by the chosen Collation are used in many places outside of user queries against user data.
If "What does COLLATE SQL_L...
Implicit type conversion rules in C++ operators
...gned int": ((int) 4) - ((unsigned int) 5) will result in 4294967295 for 32 bit ints and 32 bit unsigned ints.
– nitsas
Apr 24 '13 at 13:15
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How do I echo and send console output to a file in a bat script?
...put to a text file. Is there a way to have the output show on the console window as well?
12 Answers
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How to determine an interface{} value's “real” type?
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101
Your example does work. Here's a simplified version.
package main
import "fmt"
func weird(i...
IOCTL Linux device driver [closed]
...to send it orders. However, ioctls are not very flexible and tend to get a bit cluttered (dozens of "magic numbers" which just work... or not), and can also be insecure, as you pass a buffer into the kernel - bad handling can break things easily.
An alternative is the sysfs interface, where you set...
Debugging WebSocket in Google Chrome
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@NiCkNewman yes, it's a 7-bit field indicating byte length of the payload. However, if the value of the field is 126 or 127, then the next 16 or 64 bits respectively is the length of the payload in bytes. See the description of the length field in the...