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Create a completed Task
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answered Nov 22 '10 at 13:51
QrystaLQrystaL
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Ruby replace string with captured regex pattern
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edited Feb 12 '15 at 13:10
Jake Berger
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answered ...
How to set RelativeLayout layout params in code not in xml?
...nCristian
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15
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Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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Is bool a native C type?
...ught that bool was a C++ type. Is bool a standard C extension (e.g., ISO C90) or a GCC extension?
11 Answers
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Check OS version in Swift?
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405
For iOS, try:
var systemVersion = UIDevice.current.systemVersion
For OS X, try:
var sy...
What is the purpose of XORing a register with itself? [duplicate]
...etimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
7 Answers
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C multi-line macro: do/while(0) vs scope block [duplicate]
I've seen some multi-line C macros that are wrapped inside a do/while(0) loop like:
1 Answer
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Remove the image from a imageview Android [duplicate]
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406
I always use
imageView.setImageDrawable(null);
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How to create empty data frame with column names specified in R? [duplicate]
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Just create a data.frame with 0 length variables
eg
nodata <- data.frame(x= numeric(0), y= integer(0), z = character(0))
str(nodata)
## 'data.frame': 0 obs. of 3 variables:
## $ x: num
## $ y: int
## $ z: Factor w/ 0 levels:
or to create...