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How do I check that a Java String is not all whitespaces?
...isBlank(CharSequence)
https://commons.apache.org/proper/commons-lang/javadocs/api-release/org/apache/commons/lang3/StringUtils.html#isBlank-java.lang.CharSequence-
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Why must wait() always be in synchronized block
...king this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the monitor by making particular block synchronized and then release the monitor by calling wait() ?
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How do you push a Git tag to a branch using a refspec?
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@Michael: Ahh. Yes, if master does not exist (as a branch or a tag), then git push rep +tag:master will create a tag named master instead of a branch. git push rep +tag~0:master (again, when master does not exist as a branch or a tag) will fail with “er...
how does Array.prototype.slice.call() work?
I know it is used to make arguments a real array, but I don't understand what happens when using Array.prototype.slice.call(arguments)
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Find the PID of a process that uses a port on Windows
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here how do i get only the pid, since it returns entire details
– Gobi M
Jun 6 '14 at 1:27
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Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
I am totally new to Spring and started to do the official guides from this site:
https://spring.io/guides
27 Answers
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Checking in of “commented out” code [closed]
...et-to-be-finished or code that's being retired, commenting and checking in doesn't make any sense.
So in summary, NO! If the code is not ready to go to the next stage (whichever that is for you: IntTest/QA/UAT/PreProd/Prod), it should not be committed to a trunk or multi-developer branch. Period.
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What is a database transaction?
...assical example is transferring money from one bank account to another. To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to succeed in full. If you stop halfway, the money will be lost, and that is Very Bad.
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How do I get a distinct, ordered list of names from a DataTable using LINQ?
...Q statements.
First, select your data into a new list, let's call it x1, do a projection if desired
Next, create a distinct list, from x1 into x2, using whatever distinction you require
Finally, create an ordered list, from x2 into x3, sorting by whatever you desire
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Using Java with Nvidia GPUs (CUDA)
I'm working on a business project that is done in Java, and it needs huge computation power to compute business markets. Simple math, but with huge amount of data.
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