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sx, sxd, sxe, sxi, sxn, sxr, sx- (Set Exceptions)
The sx* commands control the action that the debugger takes when an exception occurs in the application that is being debugged, or when certain events occur.
--引http://www.vcfans.com/2010/04/wind...
How to count string occurrence in string?
How can I count the number of times a particular string occurs in another string. For example, this is what I am trying to do in Javascript:
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#1071 - Specified key was too long; max key length is 767 bytes
...t has been increased to 3072 bytes.
You also have to be aware that if you set an index on a big char or varchar field which is utf8mb4 encoded, you have to divide the max index prefix length of 767 bytes (or 3072 bytes) by 4 resulting in 191. This is because the maximum length of a utf8mb4 characte...
Why does printf not flush after the call unless a newline is in the format string?
...dy Ross's comment below, you can also disable buffering on stdout by using setbuf:
setbuf(stdout, NULL);
or its secure version setvbuf as explained here
setvbuf(stdout, NULL, _IONBF, 0);
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Ball to Ball Collision - Detection and Handling
With the help of the Stack Overflow community I've written a pretty basic-but fun physics simulator.
14 Answers
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How to leave a message for a github.com user
.../]*).*$/,'$1')}/events/public`).then(e=> e.json()).then(e => [...new Set([].concat.apply([],e.filter(x => x.type==='PushEvent').map(x => x.payload.commits.map(c => c.author.email)))).values()]).then(x => results.innerText = x)">GO</button>
<div id=results></div&g...
how to check the dtype of a column in python pandas
I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answer...
Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
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Why does Haskell's “do nothing” function, id, consume tons of memory?
... editor after snippets, if snippets enabled
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phpinfo() - is there an easy way for seeing it?
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@JamesHalsall If you need to emulate the PHP settings that your web server is using, that's the proper way to do it. Otherwise you're either erroneously using the CLI settings, or you're removing the separation between CLI settings and web server settings. That separati...