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Find and restore a deleted file in a Git repository

...t where you know the file existed> Now it's time to run the automated test. The shell command '[ -e foo.bar ]' will return 0 if foo.bar exists, and 1 otherwise. The "run" command of git-bisect will use binary search to automatically find the first commit where the test fails. It starts halfway ...
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jQuery object equality

...== b, the above might at least show the next developer exactly what you're testing for. In any case, that's probably not what you're after. If you wanted to check if two different jQuery objects contain the same set of elements, the you could use this: $.fn.equals = function(compareTo) { if (!co...
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Mounting multiple volumes on a docker container?

... gcc:4.9 sh -c 'cd mycode; gcc -o myapp ./mycode.c; cd tst; ./myapp < ./test.txt' This is my command, I'm trying to compile the mycode.c that is in the first volume, but give that same file an stdin from a different volume. How do I do it? – momal Mar 23 '15...
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How can I convert a comma-separated string to an array?

...Chr) && (restString.value !== '')) { if (/'|"/.test(currChr)) { block = $.trim(block) + getBlock(currChr, restString); } else if (/\{/.test(currChr)) { block = $.trim(block) + getBlock...
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How can I find the length of a number?

... Also to note this is extremely slow. I did a test in node and it turns out it's more than 1200% slower than Arturs answer. – Oliver Dixon Mar 12 '17 at 20:18 ...
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)

...pt which does the job for you. Quoted from: section 7 of Cross-browser testing: All major browsers on ONE machine: Chrome: Stand-alone installers can be downloaded from File Hippo. It is also possible to run multiple Chrome versions side-by-side. Although Sandboxie can be used, it'...
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MySQL: What's the difference between float and double?

... Perhaps this example could explain. CREATE TABLE `test`(`fla` FLOAT,`flb` FLOAT,`dba` DOUBLE(10,2),`dbb` DOUBLE(10,2)); We have a table like this: +-------+-------------+ | Field | Type | +-------+-------------+ | fla | float | | flb | float | | dba ...
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If list index exists, do X

...cept IndexError: print('sorry, no 5') # Note: this only is a valid test in this context # with absolute (ie, positive) index # a relative index is only showing you that a value can be returned # from that relative index from the end of the list... However, by definition, all items in a Py...
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How to store a dataframe using Pandas

...eriment, they serialize a DataFrame of 1,000,000 rows with the two columns tested separately: one with text data, the other with numbers. Their disclaimer says: You should not trust that what follows generalizes to your data. You should look at your own data and run benchmarks yourself The sou...
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How do I verify/check/test/validate my SSH passphrase?

I think I forgot the passphrase for my SSH key, but I have a hunch what it might be. How do I check if I'm right? 5 Answer...