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Should it be “Arrange-Assert-Act-Assert”?
...sanity check, to ensure that the second assertion is really meaningful.
Read by itself, assertTrue(range.includes(7)); is saying: "assert that the modified range includes 7". Read in the context of the first assertion, it's saying: "assert that invoking encompass() causes it to include 7. And s...
How can I get a java.io.InputStream from a java.lang.String?
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Update: This answer is precisely what the OP doesn't want. Please read the other answers.
For those cases when we don't care about the data being re-materialized in memory, please use:
new ByteArrayInputStream(str.getBytes("UTF-8"))
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How do I check if a number evaluates to infinity?
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@Eli: The global Infinity property isn't read-only which means that it can be redefined: For example, var x = 42; Infinity = 42; alert(x === Infinity); displays "true". (Admittedly that's an obscure case, and anyone who decides to redefine Infinity, NaN etc should e...
MySQL indexes - what are the best practices?
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You should definitely spend some time reading up on indexing, there's a lot written about it, and it's important to understand what's going on.
Broadly speaking, an index imposes an ordering on the rows of a table.
For simplicity's sake, imagine a table is ju...
upstream sent too big header while reading response header from upstream
...the proxy_buffer_size and the proxy_buffers, or disable it totally (Please read the nginx documentation).
Example of proxy buffering configuration
http {
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
}
Example of disabling your proxy buffer (recommended ...
Generator Expressions vs. List Comprehension
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@Annan Only if you already have access to another infinite generator. For example, itertools.count(n) is an infinite sequence of integers, starting from n, so (2 ** item for item in itertools.count(n)) would be an infinite sequence of the powers ...
What is “android:allowBackup”?
...cation data off of the device. Once backed up, all application data can be read by the user. adb restore allows creation of application data from a source specified by the user. Following a restore, applications should not assume that the data, file permissions, and directory permissions were create...
OpenSSL and error in reading openssl.conf file
...ine but I was using that command in the openssl.exe instead of cmd.exe.. I read your comment and went to cmd.exe and typed the set command there instead. It worked correctly but I was still getting the same error in the openssl.exe saying "Unable to load config info from wrong_path/ssl/openssl.cnf" ...
How to read the value of a private field from a different class in Java?
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Try FieldUtils from apache commons-lang3:
FieldUtils.readField(object, fieldName, true);
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Volatile vs Static in Java
...value for all objects and volatile means one copy of the value for all threads?
8 Answers
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