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How to check if a file exists in a folder?
... log.Info(fi.Exists);
or File.Exists Method:
string curFile = @"c:\temp\test.txt";
Console.WriteLine(File.Exists(curFile) ? "File exists." : "File does not exist.");
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How to add multiple objects to ManyToMany relationship at once in Django ?
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@KlaasvanSchelven: I don't remember testing this through the generated sql, but based on my comment I'm pretty sure I just took a glance at the source code. Keep in mind that this was over 2 years ago, so I would hope that things had been optimized a bit.
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...etting SO_REUSEADDR on another socket has no effect if the two sockets are tested for an address conflict. E.g. if socketA is bound to a wildcard address and socketB has SO_REUSEADDR enabled and is bound to a non-wildcard address and the same port as socketA, this bind will normally succeed, unless ...
Is the Javascript date object always one day off?
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yes i have tested this all, and its really strange.
– chintan adatiya
Jun 22 '16 at 16:18
28
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Matplotlib (pyplot) savefig outputs blank image
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First, what happens when T0 is not None? I would test that, then I would adjust the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with...
MySQL maximum memory usage
...efault 480mb to mere 100 mbs
docker run -d -p 3306:3306 -e MYSQL_DATABASE=test -e MYSQL_ROOT_PASSWORD=tooor -e MYSQL_USER=test -e MYSQL_PASSWORD=test -v /mysql:/var/lib/mysql --name mysqldb mysql --table_definition_cache=100 --performance_schema=0 --default-authentication-plugin=mysql_native_passwo...
How to manage client-side JavaScript dependencies? [closed]
...pport for CoffeeScript, Compass and more. Works with r.js (RequireJS), unittesting etc.
As for your requirements:
Bower is used for dependency management
Bower can work with local files, git://, http:// and more
Build-in support for minification and concatenation (even for your images)
Build-in sup...
How can I enable or disable the GPS programmatically on Android?
....parse("3"));
sendBroadcast(poke);
}
}
use the following to test if the existing version of the power control widget is one which will allow you to toggle the gps.
private boolean canToggleGPS() {
PackageManager pacman = getPackageManager();
PackageInfo pacInfo = null;
t...
How to set a bitmap from resource
...his
This is from sdcard
ImageView image = (ImageView) findViewById(R.id.test_image);
Bitmap bMap = BitmapFactory.decodeFile("/sdcard/test2.png");
image.setImageBitmap(bMap);
This is from resources
Bitmap bMap = BitmapFactory.decodeResource(getResources(), R.drawable.icon);
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Check if URL has certain string with PHP
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This does not test the full url; only the path. It will not test against the scheme, domain, port, query parameters, or fragment.
– kloddant
Aug 2 '19 at 15:50
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