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How to use wait and notify in Java without IllegalMonitorStateException?
I have 2 matrices and I need to multiply them and then print the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to mak...
MySQL Query GROUP BY day / month / year
Is it possible to make a simple query to count how many records I have in a determined period of time like a year, month, or day, having a TIMESTAMP field, like:
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What is the size of an enum in C?
I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...
git command to move a folder inside another
I have created a folder common with a bunch of source files and folders.
9 Answers
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Is there a Unix utility to prepend timestamps to stdin?
I ended up writing a quick little script for this in Python, but I was wondering if there was a utility you could feed text into which would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like:
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Correctly determine if date string is a valid date in that format
I'm receiving a date string from an API, and it is formatted as yyyy-mm-dd .
16 Answers
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What is the meaning of the term arena in relation to memory?
I'm reading a book on memory as a programming concept. In one of the later chapters, the author makes heavy use of the word arena , but never defines it. I've searched for the meaning of the word and how it relates to memory, and found nothing. Here are a few contexts in which the author uses the...
How to use git bisect?
I have read some articles saying that git bisect is awesome. However, I'm not a native speaker and I can't understand why it's awesome.
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How do I convert a decimal to an int in C#?
How do I convert a decimal to an int?
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?
Does anyone have a T_PAAMAYIM_NEKUDOTAYIM ?
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