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How should I escape strings in JSON?
...ary in your language that you can feed some appropriate data structure to, and let it worry about how to escape things. It'll keep you much saner. If for whatever reason you don't have a library in your language, you don't want to use one (I wouldn't suggest this¹), or you're writing a JSON library...
Return array in a function
...
Is kind of just syntactic sugar. You could really replace it with this and it would still work:
int fillarr(int* arr)
So in the same sense, what you want to return from your function is actually a pointer to the first element in the array:
int* fillarr(int arr[])
And you'll still be able t...
Python truncate a long string
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Even shorter :
info = data[:75] + (data[75:] and '..')
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Check if a string is null or empty in XSLT
...] null or empty" as inferred from the question, including it's pseudo-code and my own early experience with XSLT. I.e., "What is the equivalent of the following Java?":
!(categoryName == null || categoryName.equals(""))
For more details e.g., distinctly identifying null vs. empty, see johnvey's a...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
...quivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad?
17 Answers
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Multiple file upload in php
I want to upload multiple files and store them in a folder and get the path and store it in the database... Any good example you looked for doing multiple file upload...
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Is there a TRY CATCH command in Bash
I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
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Flex-box: Align last row to grid
...d to pollute your HTML. Here is a codepen showing it: http://codepen.io/DanAndreasson/pen/ZQXLXj
.grid {
display: flex;
flex-flow: row wrap;
justify-content: space-between;
}
.grid::after {
content: "";
flex: auto;
}
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How to export a mysql database using Command Prompt?
I have a database that is quite large so I want to export it using Command Prompt but I don't know how to.
16 Answers
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How do I convert a String to an int in Java?
...s function can throw a NumberFormatException, which of course you have to handle:
int foo;
try {
foo = Integer.parseInt(myString);
}
catch (NumberFormatException e)
{
foo = 0;
}
(This treatment defaults a malformed number to 0, but you can do something else if you like.)
Alternatively, you ca...