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How to add leading zeros?
...x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but they can be used for that. In the simple case where we always have to prepend a single zero, paste0 is the best s...
Faster s3 bucket duplication
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As this is about Google's first hit on this subject, adding extra information.
'Cyno' made a newer version of s3cmd-modification, which now supports parallel bucket-to-bucket syncing. Exactly what I was waiting for as well.
Pull request is at https://github.com/pcorliss/s3cmd-modifi...
Java: Getting a substring from a string starting after a particular character
I have a string:
9 Answers
9
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Fixed width buttons with Bootstrap
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I added an extra margin-left because I wanted the buttons to be separated. Worked perfectly. All the same width.
– Tomas Gonzalez
Nov 15 '16 at 3:14
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Android : Check whether the phone is dual SIM
... TelephonyInfo telephonyInfo = TelephonyInfo.getInstance(this);
String imeiSIM1 = telephonyInfo.getImsiSIM1();
String imeiSIM2 = telephonyInfo.getImsiSIM2();
boolean isSIM1Ready = telephonyInfo.isSIM1Ready();
boolean isSIM2Ready = telephonyInfo.isSIM2Ready();
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vs. . Which to use?
...couple of bugs related to the
width of buttons. It'll mysteriously
add extra padding when you're trying
to add styles, meaning you have to add
a tiny hack to get things under
control.
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python .replace() regex [duplicate]
...t using regular expression use the re.sub function:
sub(pattern, repl, string[, count, flags])
It will replace non-everlaping instances of pattern by the text passed as string. If you need to analyze the match to extract information about specific group captures, for instance, you can pass a f...
Proper way to make HTML nested list?
...ting lists like this:
With option 2 you cannot due that (you'll have an extra list item), with option 1, you can.
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How to obtain the query string from the current URL with JavaScript?
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Have a look at the MDN article about window.location.
The QueryString is available in window.location.search.
Solution that work in legacy browsers as well
MDN provide an example (no longer available in the above referenced article) of how to the get value of a single key available in ...
Why would I prefer using vector to deque
...l locality, then you might prefer vector. In addition, since there is some extra bookkeeping, other ops are probably (slightly) more expensive than their equivalent vector operations. On the other hand, using many/large instances of vector may lead to unnecessary heap fragmentation (slowing down cal...