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Running V8 Javascript Engine Standalone
...$> scons
$> g++ ./samples/shell.cc -o v8-shell -I include libv8.a
Now, we have a standalone binary called v8-shell.
Running the console:
$> ./v8-shell
V8 version 2.0.2
> var x = 10;
> x
10
> function foo(x) { return x * x; }
> foo
function foo(x) { return x * x; }
> qu...
Sending images using Http Post
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I'm going to assume that you know the path and filename of the image that you want to upload. Add this string to your NameValuePair using image as the key-name.
Sending images can be done using the HttpComponents libraries. Download the latest HttpClient...
What can be the reasons of connection refused errors?
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@a'r How would you know the status of backlog?
– Naveen Verma
Jan 15 '19 at 12:31
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How to validate a url in Python? (Malformed or not)
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I didn't know you could test an if statement with a list of non-None elements. That's helpful. Also +1 for using a built-in module
– Marc Maxmeister
Aug 4 '16 at 17:05
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how to change uiviewcontroller title independent of tabbar item title
...Item = $0.tabBarItem
return navigationController
})
You will now be able to have a different title (set from your VC) separate from the title defined for your tabBarItem.
share
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impr...
Scanner vs. BufferedReader
As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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How to remove RVM (Ruby Version Manager) from my system
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Run:
rvm implode
Now you need to uninstall the RVM gem using:
gem uninstall rvm
Check if there are any remaining RVM files in your home directory, if yes remove them.
Go to the home directory and list all hidden files:
ls -a
rm .rvm
rm...
How to use “/” (directory separator) in both Linux and Windows in Python?
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It's 2020, so this should now be the accepted answer. The Python devs added it to overcome problems in os, and it makes everything easier. Ex path.read_text(encoding="utf8"), path.read_bytes(), path.resolve(), path.unlink(), ...
–...
MySQL Conditional Insert
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In this, dual is a table with one row only (found originally in Oracle, now in mysql too). The logic is that the SELECT statement generates a single row of data with the required values, but only when the values are not already found.
Alternatively, look at the MERGE statement.
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Find the PID of a process that uses a port on Windows
...more accurate you can be the more precise your PID result will be. If you know which host the port is supposed to be on you can narrow it down a lot. netstat -aon | findstr "0.0.0.0:9999" will only return one application and most llikely the correct one. Only searching on the port number may cause y...