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How to subtract a day from a date?
...=-5)
It can similarly be used with other parameters e.g. seconds, weeks etc
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How to compare two colors for similarity/difference
...sitive to green than red or blue, our brightness perception is logrithmic, etc. OP never specified which s/he wants; but see here for an algorithm specially-tailored for human sight.
– BlueRaja - Danny Pflughoeft
Jan 26 '12 at 17:57
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... and b) easily dealt with by technical means (editors, conversion scripts, etc.), there is a clear way to end all discussion: choose one.
Guido was the one to choose. He didn't even have to give a reason, but he still did by referring to empirical data.
For all other purposes you can either take t...
How to create a release signed apk file using Gradle?
..... " still gives my that dialog("See the Gradle User Guide for more info." etc.) and no APK.
– Semanticer
Oct 5 '13 at 18:21
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Difference between and text
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With <button>, you can use img tags, etc. where text is
<button type='submit'> text -- can be img etc. </button>
with <input> type, you are limited to text
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Difference between android-support-v7-appcompat and android-support-v4
... library
v7 cardView library
v7 recyclerView library
v7 pallete library etc
v7 appcompat library has following key classes ActionBar, ActionBarActivity, ShareActionProvider.
So adding,
com.android.support:appcompat-v7:21.0.+
dependency in your gradle file, imports the above-mentioned classes.
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Running Bash commands in Python
...lf will probably take significantly less time.)
Deep down, Python has to fetch a bytes buffer and interpret it somehow. If it contains a blob of binary data, it shouldn't be decoded into a Unicode string, because that's error-prone and bug-inducing behavior - precisely the sort of pesky behavior wh...
How to unit test an object with database queries
...all a method on, in the sense that they have the same properties, methods, etc. available to caller. But instead of performing whatever action they are programmed to do when a particular method is called, it skips that altogether, and just returns a result. That result is typically defined by you a...
Why should I not wrap every block in “try”-“catch”?
...ent() top-level routine, which calls many methods which call other methods etc. These sub-methods don't need their own try-catches, because if they throw, it's still caught by SaveDocument()'s catch.
This is nice for three reasons: it's handy because you have one single place to report an error: t...
How do I remove the space between inline/inline-block elements?
...ute... what if I'm generating my divs inside Taglibs loops (Struts2, JSTL, etc...) ?
For example:
<s:iterator begin="0" end="6" status="ctrDay">
<br/>
<s:iterator begin="0" end="23" status="ctrHour">
<s:push value="%{days[#ctrDay.index].hours[#ctrHour.index]}"...