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ImportError: no module named win32api
...fully installed
– syam
Jun 8 '17 at 0:01
This only worked for me AFTER I restarted Spyder. Most times new packages wor...
Reload the path in PowerShell
...mpenmpen
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26
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add column to mysql table if it does not exist
...
Note that INFORMATION_SCHEMA isn't supported in MySQL prior to 5.0. Nor are stored procedures supported prior to 5.0, so if you need to support MySQL 4.1, this solution isn't good.
One solution used by frameworks that use database migrations is to record in your database a revision numbe...
Duplicate headers received from server
...tInvalidFileNameChars()));
string invalidReStr = string.Format(@"[{0}]+", invalidChars);
string replace = Regex.Replace(name, invalidReStr, "_").Replace(";", "").Replace(",", "");
return replace;
}
...
How do you run a command for each line of a file?
...txt
If you have special chars and/or a lot of lines in file.txt.
xargs -0 chmod 755 < <(tr \\n \\0 <file.txt)
if your command need to be run exactly 1 time by entry:
xargs -0 -n 1 chmod 755 < <(tr \\n \\0 <file.txt)
This is not needed for this sample, as chmod accept multip...
Node.JS constant for platform-specific new line?
...
230
Not sure if this is new in the 0.8.x but there is now a constant http://nodejs.org/api/os.html#o...
How do I round a decimal value to 2 decimal places (for output on a page)
...
930
decimalVar.ToString ("#.##"); // returns "" when decimalVar == 0
or
decimalVar.ToString ("0.#...
What is an example of the simplest possible Socket.io example?
...quests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server listens to our app
var io = require('socket.io').listen(app);
// Send current time to all connected clients
function sendTime() {
io.emit('...
Pure virtual destructor in C++
...
220
Yes. You also need to implement the destructor:
class A {
public:
virtual ~A() = 0;
};
inl...
Comparing date part only without comparing time in JavaScript
...
803
I'm still learning JavaScript, and the only way that I've found which works for me to compare t...