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IPC performance: Named Pipe vs Socket
...mespace on UNIX. I have found PF_UNIX sockets to be substantially faster (>10%) than most other methods described on this page.
– EntangledLoops
Apr 14 '17 at 15:04
1
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What represents a double in sql server?
... arithmetic... the rounding/approximation errors would be the about the length of this fill stop -> "."
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How do I check if a number evaluates to infinity?
...ve made a simple solution to circumvent that:
const testInput = input => input + "" === "NaN" || input + "" === "Infinity";
The above code converts values to strings and checks whether they are strictly equal to NaN or Infinity (you'll need to add another case for negative infinity).
So:
...
mmap() vs. reading blocks
...ng for an answer and this question kept coming up at the top of Google results.)
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Capturing mobile phone traffic on Wireshark
...you are using the UDID and not the serial number).
goto Wireshark Capture->Options, a dialog box appears, click on the line rvi0 then press the Start button.
Now you will see all network traffic on the iOS device. It can be pretty overwhelming. A couple of pointers:
don't use iOS with a V...
iOS change navigation bar title font and color
...ucture in Storyboard as Source Code mode (right click
the storyboard file > Open As ...)
In some cases the navigationItem tag associated with user defined runtime attribute was set as an xml
child of the view tag instead of the view controller tag. If so
remove it from between the tags for prop...
How do I assert my exception message with JUnit Test annotation?
...on exception = assertThrows(
IllegalArgumentException.class,
() -> { throw new IllegalArgumentException("a message"); }
);
assertEquals("a message", exception.getMessage());
}
This also works in JUnit 5 but with different imports:
import static org.junit.jupiter.api.Assertions.as...
PG::ConnectionBad - could not connect to server: Connection refused
...m you can type something like that in your system terminal:
which psql
#=> /usr/bin/psql
After that you need to create a user and database in postgresql like this:
sudo su - postgres
psql
Then you can see the following within your terminal
postgres=#
Type there:
CREATE USER yourname WIT...
How do I apply a diff patch on Windows?
...yed on the right pane
Click on that pane and hit Save or export with File->Save As...
Alternative screeny if you Open from TortoiseMerge. In the screeny below, directory refers to the "merges" directory mentioned at step 2 above:
Screenshot of WinMerge GUI:
...
The 'json' native gem requires installed build tools
...
I followed the instructions, it worked for me. C:\DevKit>gem install json Temporarily enhancing PATH to include DevKit... Building native extensions. This could take a while... Successfully installed json-1.8.1 1 gem installed Installing ri documentation for json-1.8.1... Insta...