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Guava equivalent for IOUtils.toString(InputStream)
...roblematic because the overload CharStreams.toString(Readable) states:
Does not close the Readable.
This means that your InputStreamReader, and by extension the InputStream returned by supplier.get(), will not be closed after this code completes.
If, on the other hand, you take advantage of t...
Conditionally ignoring tests in JUnit 4
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The JUnit way is to do this at run-time is org.junit.Assume.
@Before
public void beforeMethod() {
org.junit.Assume.assumeTrue(someCondition());
// rest of setup.
}
You can do it in a @Before method or in the test itself, but not ...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
It seems to me that you can do the same thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example:
...
NumPy: function for simultaneous max() and min()
numpy.amax() will find the max value in an array, and numpy.amin() does the same for the min value. If I want to find both max and min, I have to call both functions, which requires passing over the (very big) array twice, which seems slow.
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PostgreSQL - how to quickly drop a user with existing privileges
...e latter will remove any privileges granted to the user.
See the postgres docs for DROP ROLE and the more detailed description of this.
Addition:
Apparently, trying to drop a user by using the commands mentioned here will only work if you are executing them while being connected to the same data...
Reading 64bit Registry from a 32bit application
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There is still native support for registry access under 64 bit Windows using .NET Framework 4.x. The following code is tested with Windows 7, 64 bit and also with Windows 10, 64 bit.
Instead of using "Wow6432Node", which emulates a node by mapping one registry tree into another making...
How much space can your BitBucket account have?
...ivate repositories. However, I didn't find the size limit of your account? Does anyone know where to find it? Github offered 300mb if I remember correctly.
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JavaScript ternary operator example with functions
...are identical. I prefer to go with the full if/then/else syntax because I don't like to sacrifice readability - I'm old-school and I prefer my braces.
The full if/then/else format is used for pretty much everything. It's especially popular if you get into larger blocks of code in each branch, you...
Placement of the asterisk in pointer declarations
... decided that I just have to finally learn C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
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Detecting superfluous #includes in C/C++?
...actored and it's very possible that there are quite a few #includes that don't need to be there and anymore. Leaving them there only prolong the compile time and adds unnecessary compilation dependencies. Trying to figure out which are still needed can be quite tedious.
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