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Java concurrency: Countdown latch vs Cyclic barrier
I was reading through the java.util.concurrent API , and found that
14 Answers
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Need to reset git branch to origin version
I was accidentally working on a branch I shouldn't have been for a while, so I branched off of it giving it the appropriate name. Now I want to overwrite the branch I shouldn't have been on to the version from origin (github). Is there an easy way to do this? I tried deleting the branch and then ...
Ruby on Rails: How can I revert a migration with rake db:migrate?
After installing devise MODEL User i got this.
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Passing arrays as parameters in bash
How can I pass an array as parameter to a bash function?
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What function is to replace a substring from a string in C?
Given a ( char * ) string, I want to find all occurrences of a substring and replace them with an alternate string. I do not see any simple function that achieves this in <string.h> .
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Gradle: How to Display Test Results in the Console in Real Time?
I would like to see test results ( system.out/err, log messages from components being tested ) as they run in the same console I run:
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Where to learn about VS debugger 'magic names'
If you've ever used Reflector, you probably noticed that the C# compiler generates types, methods, fields, and local variables, that deserve 'special' display by the debugger. For instance, local variables beginning with 'CS$' are not displayed to the user. There are other special naming conventions...
How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
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Soft keyboard open and close listener in an activity in Android
I have an Activity where there are 5 EditText s. When the user clicks on the first EditText , the soft keyboard opens to enter some value in it. I want to set some other View 's visibility to Gone when the soft keyboard opens and also when the user clicks on the first EditText and also when...
data.frame rows to a list
I have a data.frame which I would like to convert to a list by rows, meaning each row would correspond to its own list elements. In other words, I would like a list that is as long as the data.frame has rows.
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