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How to shrink/purge ibdata1 file in MySQL

...ou start MySQL in step 5 the ibdata1 and ib_log files will be recreated. Now you're fit to go. When you create a new database for analysis, the tables will be located in separate ibd* files, not in ibdata1. As you usually drop the database soon after, the ibd* files will be deleted. http://dev.m...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

...is: set -- $(locale LC_MESSAGES) yesptrn="$1"; noptrn="$2"; yesword="$3"; noword="$4" while true; do read -p "Install (${yesword} / ${noword})? " yn case $yn in ${yesptrn##^} ) make install; break;; ${noptrn##^} ) exit;; * ) echo "Answer ${yesword} / ${noword}.";; ...
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How to escape a JSON string containing newline characters using JavaScript?

...) method and replace all occurrences of \n with \\n. EDIT: As far as I know of, there are no well-known JS libraries for escaping all special characters in a string. But, you could chain the .replace() method and replace all of the special characters like this: var myJSONString = JSON.stringify(...
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What does “not run” mean in R help pages?

... ... how did I not know about this function? – Matt Parker Sep 21 '09 at 14:41 5 ...
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Assert a function/method was not called using Mock

...led attribute, but if your assertion fails, the next thing you'll want to know is something about the unexpected call, so you may as well arrange for that information to be displayed from the start. Using unittest, you can check the contents of call_args_list instead: self.assertItemsEqual(my_var.c...
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How do I convert an existing callback API to promises?

...ferreds you can do the following (let's use Q for this example, although Q now supports the new syntax which you should prefer): function getStuffAsync(param) { var d = Q.defer(); getStuff(param, function(err, data) { if (err !== null) d.reject(err); else d.resolve(data); ...
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How to do version numbers? [closed]

...nswer", I started working on the article again. PDF and LaTeX versions are now available, a complete rewrite including better language and explanatory graphics will follow as soon as I can find the time. Thank you for your votes! ...
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox

... to the blog post that inspired this behavior. UPDATE (12/2/14): You can now enable full cross-domain error reporting on some browsers by specifying a crossorigin attribute on script tags and having the server send the appropriate CORS HTTP response headers. ...
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How to search through all Git and Mercurial commits in the repository for a certain string?

...tuations where I had commits in my database but not in my reflog. I don't know how common this is. I was trying out different hg/git bridges. I think it can also arise with dropped stashes. In any case, this alias works nicely to catch those cases: !git fsck --unreachable | sed -ne 's/^unreachable c...
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Why must wait() always be in synchronized block

We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...