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What is SOA “in plain english”? [closed]
...ere, SOA there but I cannot understand exacly what it is and what is used for. Was it some simple concept and later evolved into something huge or what?
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How can one print a size_t variable portably using the printf family?
... variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably?
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It is more efficient to use if-return-return or if-else-return?
...eturn statement terminates the execution of the current function, the two forms are equivalent (although the second one is arguably more readable than the first).
The efficiency of both forms is comparable, the underlying machine code has to perform a jump if the if condition is false anyway.
Note...
How to compare two floating point numbers in Bash?
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More conveniently
This can be done more conveniently using Bash's numeric context:
if (( $(echo "$num1 > $num2" |bc -l) )); then
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fi
Explanation
Piping through the basic calculator command bc returns either 1 or 0...
Check whether a string is not null and not empty
...amp;& !str.isEmpty())
Be sure to use the parts of && in this order, because java will not proceed to evaluate the second part if the first part of && fails, thus ensuring you will not get a null pointer exception from str.isEmpty() if str is null.
Beware, it's only available s...
Stop node.js program from command line
I have a simple TCP server that listens on a port.
19 Answers
19
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Setting global styles for Views in Android
Let's say I want all the TextView instances in my app to have textColor="#ffffff" . Is there a way to set that in one place instead of setting it for each TextView ?
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How to revert a Git Submodule pointer to the commit stored in the containing repository?
...e a git submodule in my main git repo. As I understand it, the main repo stores a SHA value (somewhere...), pointing to the specific commit of the submodule that it is "linked to".
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How to join two sets in one line without using “|”
Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
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Let JSON object accept bytes or let urlopen output strings
...nds bytes. If the resource in question is text, the character encoding is normally specified, either by the Content-Type HTTP header or by another mechanism (an RFC, HTML meta http-equiv,...).
urllib should know how to encode the bytes to a string, but it's too naïve—it's a horribly underpowered...