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How does RegexOptions.Compiled work?
...nsidered "interpreted".
Take this example:
public static void TimeAction(string description, int times, Action func)
{
// warmup
func();
var watch = new Stopwatch();
watch.Start();
for (int i = 0; i < times; i++)
{
func();
}
watch.Stop();
Console.Wri...
Reducing MongoDB database file size
...
UPDATE: with the compact command and WiredTiger it looks like the extra disk space will actually be released to the OS.
UPDATE: as of v1.9+ there is a compact command.
This command will perform a compaction "in-line". It will still need some extra space, but not as much.
MongoDB comp...
Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...=====================
7. Consider the excellent http://www.fail2ban.org
8. Extra
SSH tunnel to access a MySQL (bind = 127.0.0.1) server
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How do I use Wget to download all images into a single folder, from a URL?
...are saved to.
-A sets a whitelist for retrieving only certain file types. Strings and patterns are accepted, and both can be used in a comma separated list (as seen above). See Types of Files for more information.
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How do I wrap text in a UITableViewCell without a custom cell
...eView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *cellText = @"Go get some text for your cell.";
UIFont *cellFont = [UIFont fontWithName:@"Helvetica" size:17.0];
CGSize constraintSize = CGSizeMake(280.0f, MAXFLOAT);
CGSize labelSize = [cellText sizeWithFo...
LINQPad [extension] methods [closed]
...g
Disassemble() disassembles any method to IL, returning the output in a string:
typeof (Uri).GetMethod ("GetHashCode").Disassemble().Dump();
In addition to those two extension methods, there are some useful static methods in LINQPad.Util. These are documented in autocompletion, and include:
...
How does libuv compare to Boost/ASIO?
... yes Asio
Sending: yes no
IPC:
UNIX Domain Sockets: yes Asio
Windows Named Pipe: yes Asio
Process Management:
Detaching: yes Process
I/O Pipe: yes Process
Spawning: ...
Extracting text OpenCV
...;
#define INPUT_FILE "1.jpg"
#define OUTPUT_FOLDER_PATH string("")
int _tmain(int argc, _TCHAR* argv[])
{
Mat large = imread(INPUT_FILE);
Mat rgb;
// downsample and use it for processing
pyrDown(large, rgb);
Mat small;
cvtColor(rgb, small, CV_BGR2GRAY);
...
No submodule mapping found in .gitmodule for a path that's not a submodule
...
in the file .gitmodules, I replaced string
"path = thirdsrc\boost"
with
"path = thirdsrc/boost",
and it solved! - -
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Why aren't pointers initialized with NULL by default?
... then assign.
So now we have the situation that the compiler has added an extra instruction to the code that initializes the variable to NULL then later the developer code is added to do the correct initialization. Or under other conditions the variable is potentially never used. A lot of C++ devel...