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How to create a zip file in Java
...ile called mytext.txt. Of course you can add more zip entries and also specify a subdirectory like this:
ZipEntry e = new ZipEntry("folderName/mytext.txt");
You can find more information about compression with Java here.
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regex for matching something if it is not preceded by something else
So with regex in java, I want to write a regex that will match if and only if the pattern is not preceded by certain characters. For example:
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Rails raw SQL example
...ode in heroku,there is a request timeout error.I think this will be faster if I use raw sql.
6 Answers
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Difference between static class and singleton pattern?
What real (i.e. practical) difference exists between a static class and a singleton pattern?
39 Answers
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Most efficient way to remove special characters from string
...StringBuilder sb = new StringBuilder();
foreach (char c in str) {
if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || c == '.' || c == '_') {
sb.Append(c);
}
}
return sb.ToString();
}
One thing th...
Detect HTTP or HTTPS then force HTTPS in JavaScript
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Try this
if (location.protocol !== 'https:') {
location.replace(`https:${location.href.substring(location.protocol.length)}`);
}
location.href = blah adds this redirect to the browser history. If the user hits the back button, t...
When do I use the PHP constant “PHP_EOL”?
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From main/php.h of PHP version 7.1.1 and version 5.6.30:
#ifdef PHP_WIN32
# include "tsrm_win32.h"
# include "win95nt.h"
# ifdef PHP_EXPORTS
# define PHPAPI __declspec(dllexport)
# else
# define PHPAPI __declspec(dllimport)
# endif
# define PHP_DIR_SEPARATOR ...
Difference between `npm start` & `node app.js`, when starting app?
...
From the man page, npm start:
runs a package's "start" script, if one was provided.
If no version is specified, then it starts the "active" version.
Admittedly, that description is completely unhelpful, and that's all it says. At least it's more documented than socket.io.
Anyhow, wh...
Java - sending HTTP parameters via POST method easily
... : 'url.openconnection()' does not open connection. In case you do not specify a connect() statement the connection is opened when you write to to the http request body /heared and send it. I have tried this with certificates. The ssl handshake takes place only after you call connect or when you sen...
When to call activity context OR application context?
...ou have at your disposal. Scenarios include:
Use getApplicationContext() if you need something tied to a Context that itself will have global scope. I use getApplicationContext(), for example, in WakefulIntentService, for the static WakeLock to be used for the service. Since that WakeLock is stati...