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Is \d not supported by grep's basic expressions?
...'s -E mode does not. That's so glaring I'm shocked I'm just discovering it now.
– Keith Tyler
Jun 23 '16 at 0:20
1
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How can I explode and trim whitespace?
...the whole time... this + implode saved my freaking life..I can go eat food now.
– jenki221
May 29 '15 at 20:30
4
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What is “(program)” in Chrome debugger’s profiler?
... @hvgotcodes - It sound be the percentage of all portions below. Now if the self percentage is high, there's not much you can do....unless your markup in general is very heavy.
– Nick Craver♦
Oct 3 '10 at 0:09
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Visual Studio debugging/loading very slow
...al Studio from remotely querying the Microsoft servers.
Click "OK".
From now on, symbol loading should be much faster.
Note that if you make any changes/downloads to Microsoft assemblies, you may need to go back into the Symbols dialog box and "Load all symbols" again.
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How can I scan barcodes on iOS?
... use an external framework or library. The iOS ecosystem with AVFoundation now fully supports scanning almost every code from QR over EAN to UPC.
Just have a look at the Tech Note and the AVFoundation programming guide. AVMetadataObjectTypeQRCode is your friend.
Here is a nice tutorial which shows...
iPhone Simulator location
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Changes since Xcode 4.3.1
Please note that the new version of Xcode is now available on the Mac App Store. Hence all the stuff that used to come with an installer is now packaged into Xcode.app.
Therefore the iOS Simulator binary is located here:
/Applications/Xcode.app/Contents/Developer/Pla...
How does the HyperLogLog algorithm work?
...dom integers, see an integer which binary representation starts with some known prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts...
Copying data from one SQLite database to another
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2 AM /mnt/fastaccessDS/core/csv/allmsa.db
now you come to your actual target. Use the command
INSERT INTO atlanta SELECT * FROM AM.atlanta;
This should serve your purpose.
share
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Redirect stdout pipe of child process in Go
I'm writing a program in Go that executes a server like program (also Go). Now I want to have the stdout of the child program in my terminal window where I started the parent program. One way to do this is with the cmd.Output() function, but this prints the stdout only after the process has exited...
Cannot download Docker images behind a proxy
...tory for the Docker service:
mkdir /etc/systemd/system/docker.service.d
Now create a file called /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable:
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80/"
If you have internal Docker regis...