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How to escape the % (percent) sign in C's printf?
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You can escape it by posting a double '%' like this: %%
Using your example:
printf("hello%%");
Escaping '%' sign is only for printf. If you do:
char a[5];
strcpy(a, "%%");
printf("This is a's value: %s\n", a);
It will print: This is a's value: %%
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How to remove duplicate white spaces in string using Java?
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Like this:
yourString = yourString.replaceAll("\\s+", " ");
For example
System.out.println("lorem ipsum dolor \n sit.".replaceAll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a re...
Regular Expression to find a string included between two characters while EXCLUDING the delimiters
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Easy done:
(?<=\[)(.*?)(?=\])
Technically that's using lookaheads and lookbehinds. See Lookahead and Lookbehind Zero-Width Assertions. The pattern consists of:
is preceded by a [ that is not captured (lookbehind);
a non-greedy captured group. It's non-greedy to stop at the first ]...
Extract source code from .jar file
... edited Nov 20 '13 at 18:33
Raekye
4,66588 gold badges4343 silver badges7272 bronze badges
answered Feb 24 '11 at 16:08
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Add border-bottom to table row
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I had a problem like this before. I don't think tr can take a border styling directly. My workaround was to style the tds in the row:
<tr class="border_bottom">
CSS:
tr.border_bottom td {
border-bottom: 1px solid black;
}
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How to list all properties of a PowerShell object
When I look at the Win32_ComputerSystem class , it shows loads of properties like Status , PowerManagementCapabilities , etc. However, when in PowerShell I do the below I only get back a couple:
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Where is Xcode's build folder?
... edited Mar 13 '14 at 23:40
Nakilon
31.1k1212 gold badges9494 silver badges125125 bronze badges
answered May 10 '11 at 15:50
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How do I get a reference to the app delegate in Swift?
...access any methods or variables added by your subclass of UIApplication, like your managed object context. To resolve this, simply downcast to "AppDelegate" or what ever your UIApplication subclass happens to be called. In Swift 3, 4 & 5, this is done as follows:
let appDelegate = UIApplication...
Prevent tabstop on A element (anchor link) in HTML
... an <a href="..."> from being tabstopped in any browser? I would like to do this without Javascript.
5 Answers
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How can I check the syntax of Python script without executing it?
I used to use perl -c programfile to check the syntax of a Perl program and then exit without executing it. Is there an equivalent way to do this for a Python script?
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