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How to delete duplicate lines in a file without sorting it in Unix?
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yolenoyer
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answered Sep 18 '09 at 13:07
Jonas ElfströmJonas Elfström
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Why does i = i + i give me 0?
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answered Jun 11 '14 at 22:14
Louis WassermanLouis Wasserman
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Using boolean values in C
... true } bool;
Option 3
typedef int bool;
enum { false, true };
Option 4
typedef int bool;
#define true 1
#define false 0
Explanation
Option 1 will work only if you use C99 and it's the "standard way" to do it. Choose this if possible.
Options 2, 3 and 4 will have in practice the same ident...
How to swap two variables in JavaScript
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answered Apr 24 '13 at 20:39
showdevshowdev
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List of all index & index columns in SQL Server DB
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edited Sep 24 at 2:11
jswolf19
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answered Apr 19 '...
Remove empty array elements
...that are i.e. exact string '0', you will need a custom callback:
// PHP 7.4 and later
print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== ''));
// PHP 5.3 and later
print_r(array_filter($linksArray, function($value) { return !is_null($value) && $value ...
Is there a way to automatically build the package.json file for Node.js projects
... answered Dec 5 '12 at 17:22
Ore4444Ore4444
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How to perform mouseover function in Selenium WebDriver using Java?
...);
WebElement we = webdriver.findElement(By.xpath("html/body/div[13]/ul/li[4]/a"));
action.moveToElement(we).moveToElement(webdriver.findElement(By.xpath("/expression-here"))).click().build().perform();
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Is the “struct hack” technically undefined behavior?
...subscript (as in the lvalue expression a[1][7] given the declaration int a[4][5]) (6.5.6).
Paragraph 8 of Section 6.5.6 Additive operators has another mention that access beyond defined array bounds is undefined:
If both the pointer operand and the result point to elements of the same array...