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What is the difference between re.search and re.match?
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re.match is anchored at the beginning of the string. That has nothing to do with newlines, so it is not the same as using ^ in the pattern.
As the re.match documentation says:
If zero or more characters at the
beginning of string matc...
How to grant permission to users for a directory using command line in Windows?
How can I grant permissions to a user on a directory (Read, Write, Modify) using the Windows command line?
17 Answers
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Set a DateTime database field to “Now”
... answer your question:
In a large table, since the function is evaluated for each row, you will end up getting different values for the updated field.
So, if your requirement is to set it all to the same date I would do something like this (untested):
DECLARE @currDate DATETIME;
SET @currDate = G...
What's the difference between ES6 Map and WeakMap?
...he only difference between Maps and WeakMaps is a missing "size" property for WeakMaps. But is this true? What's the difference between them?
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How do you add CSS with Javascript?
How do you add CSS rules (eg strong { color: red } ) by use of Javascript?
14 Answers
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How to center canvas in html5
I've been searching for a solution for a while now, but haven't found anything. Maybe it's just my search terms.
Well, I'm trying to make the canvas center according to the size of the browser window. The canvas is 800x600.
And if the window gets below 800x600, it should resize as well(but that's no...
What is the optimal length for user password salt? [closed]
...y salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or do...
How to quickly clear a JavaScript Object?
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The short answer to your question, I think, is no (you can just create a new object).
In this example, I believe setting the length to 0 still leaves all of the elements for garbage collection.
You could add this to Object.protot...
Change Screen Orientation programmatically using a Button
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Yes it is implementable!
ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
ActivityInfo
http://...
How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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