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Regular Expression to find a string included between two characters while EXCLUDING the delimiters
I need to extract from a string a set of characters which are included between two delimiters, without returning the delimiters themselves.
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QString to char* conversion
I was trying to convert a QString to char* type by the following methods, but they don't seem to work.
10 Answers
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Add border-bottom to table row
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I had a problem like this before. I don't think tr can take a border styling directly. My workaround was to style the tds in the row:
<tr class="border_bottom">
CSS:
tr.border_bottom td {
border-bottom: 1px solid black;
}
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Why do pthreads’ condition variable functions require a mutex?
I’m reading up on pthread.h ; the condition variable related functions (like pthread_cond_wait(3) ) require a mutex as an argument. Why? As far as I can tell, I’m going to be creating a mutex just to use as that argument? What is that mutex supposed to do?
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SQL how to increase or decrease one for a int column in one command
I have an Orders table which has a Quantity column. During check in or check out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it?
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How to break out or exit a method in Java?
The keyword break in Java can be used for breaking out of a loop or switch statement. Is there anything which can be used to break from a method?
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Using System.Dynamic in Roslyn
... that was released yesterday to use dynamic and ExpandoObject but I am getting a compiler error which I am not sure how to fix. The error is:
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How to set custom location for local installation of npm package?
Is it possible to specify a custom package destination for npm install , either through a command flag or environment variable?
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What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
6 Answers
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Passing parameters to addTarget:action:forControlEvents
I am using addTarget:action:forControlEvents like this:
13 Answers
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