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How do I make a Git commit in the past?

... The advice you were given is flawed. Unconditionally setting GIT_AUTHOR_DATE in an --env-filter would rewrite the date of every commit. Also, it would be unusual to use git commit inside --index-filter. You are dealing with multiple, independent problems here. Specifying...
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In Python, how do I create a string of n characters in one line of code?

...ly, of course;-). Other ways to "make a string of 10 characters": 'x'*10 (all the ten characters will be lowercase xs;-), ''.join(chr(ord('a')+i) for i in xrange(10)) (the first ten lowercase letters again), etc, etc;-). sh...
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How to loop through a HashMap in JSP?

...ose <% %> things) are considered a poor practice. I recommend to install JSTL (just drop the JAR file in /WEB-INF/lib and declare the needed taglibs in top of JSP). It has a <c:forEach> tag which can iterate over among others Maps. Every iteration will give you a Map.Entry back which in ...
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MySQL CONCAT returns NULL if any field contain NULL

...es: it returns the first non-NULL value parameter passed to it (or NULL if all parameters are NULL). By passing an empty string as the second parameter, you are guaranteeing it will not return NULL. – Jo. Mar 10 '17 at 17:03 ...
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How to do a regular expression replace in MySQL?

...ary linked here doesn't seem to have good windows support. The windows installation method outlined did not work well for me. – Jonathan Dec 5 '13 at 23:58 2 ...
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Using reflect, how do you set the value of a struct field?

...rue if the value's address can be obtained with Addr. Such values are called addressable. A value is addressable if it is an element of a slice, an element of an addressable array, a field of an addressable struct, or the result of dereferencing a pointer. If CanAddr returns false, c...
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How to ignore SVN folders in WinMerge?

... Try making a Filefilter WinMerge handles this just fine. You want to create and use a Filter. Under Tools | Filters... | Filefilters, create a new filter or modify an existing one. It will look like this: ## Ignore Java class and jar files f: \.class$ f: \....
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How to send email attachments?

... best answer for me but there is a small error: replace import pathlibwith from pathlib import Path – AleAve81 Apr 29 at 20:38 ...
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Sorting a set of values [closed]

...t, not a set. That's because the whole point of a set, both in mathematics and in almost every programming language,* is that it's not ordered: the sets {1, 2} and {2, 1} are the same set. You probably don't really want to sort those elements as strings, but as numbers (so 4.918560000 will come b...
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Editing legend (text) labels in ggplot

... @Sathish As you can see, the title of the y-axis is smaller than the title in the x-axis. The different sizes are used to illustrate the possibilities and its consequences. Thus the code used in the answer is correct imo. – Jaap Oct 14 '16 ...