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How does free know how much to free?
...ple, if you asked for 20 bytes, the system may allocate a 48-byte block:
16-byte header containing size, special marker, checksum, pointers to next/previous block and so on.
32 bytes data area (your 20 bytes padded out to a multiple of 16).
The address then given to you is the address of the dat...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...r valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in...
How to update a menu item shown in the ActionBar?
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CommonsWareCommonsWare
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How to round an image with Glide library?
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Check this post, glide vs picasso...
Edit: the linked post doesn't call out an important difference in the libraries. Glide does the recycling automatically. See TWiStErRob's comment for more.
Glide.with(this).load(URL).transform(new CircleTransform(context)).into(imageView);
public static ...
Method overloading in Objective-C?
...003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44...
How can I remove a character from a string using Javascript?
I am so close to getting this, but it just isn't right.
All I would like to do is remove the character r from a string.
The problem is, there is more than one instance of r in the string.
However, it is always the character at index 4 (so the 5th character).
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Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
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Within the package there is a class called JwtSecurityTokenHandler which derives from System.IdentityModel.Tokens.SecurityTokenHandler. In WIF this is the core class for deserialising and serialising security tokens.
The class has a ReadToken(String) method tha...
count(*) vs count(column-name) - which is more correct? [duplicate]
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COUNT(*) counts all rows
COUNT(column) counts non-NULLs only
COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
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Location of my.cnf file on macOS
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This thread on the MySQL forum says:
By default, the OS X installation does not use a my.cnf, and MySQL just uses the default values. To set up your own my.cnf, you could just create a file straight in /etc.
OS X provides example configuration files at /usr/local/mysql/support-files/...
Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...rvice.
If you get an error the specified service does not exist as an installed service you should run:
tomcat6w //ES//servicename
where servicename is the name of the server as viewed in services.msc
Source: orx's comment on Eric's Agile Answers.
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