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How to disable GCC warnings for a few lines of code

...ing puts.c source code #include <stdio.h> int main(int argc, const char *argv[]) { while (*++argv) puts(*argv); return 0; } It will not compile because argc is unused, and the settings are hardcore (-W -Wall -pedantic -Werror). There are 5 things you could do: Improve the source...
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How can I use mySQL replace() to replace strings in multiple records?

... At a very generic level UPDATE MyTable SET StringColumn = REPLACE (StringColumn, 'SearchForThis', 'ReplaceWithThis') WHERE SomeOtherColumn LIKE '%PATTERN%' In your case you say these were escaped but since you don't specify how they were escaped, let's say they wer...
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What's the difference between a file descriptor and file pointer?

...LE Structure returned by fopen typedef struct { unsigned char *_ptr; int _cnt; unsigned char *_base; unsigned char *_bufendp; short _flag; short _file; int __stdioid; char *__newbase; #ifdef _THREAD_SAFE ...
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How do you print out a stack trace to the console/log in Cocoa?

...#import <UIKit/UIKit.h> #import "AppDelegate.h" int main(int argc, char *argv[]) { @autoreleasepool { int retval; @try{ retval = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); } @catch (NSException *exception) ...
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How to combine paths in Java?

... Rather than keeping everything string-based, you should use a class which is designed to represent a file system path. If you're using Java 7 or Java 8, you should strongly consider using java.nio.file.Path; Path.resolve can be used to combine one path wi...
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Why use the INCLUDE clause when creating an index?

...erts/deletes require the index to be updated/sorted anyway and thus little extra overhead is associated with storing off a few extra columns while already updating the index. The overhead is the extra memory and CPU used to store redundant info on the index. If the columns you consider to add as in...
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Remove underline from links in TextView - Android

...id stripUnderlines(TextView textView) { Spannable s = new SpannableString(textView.getText()); URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class); for (URLSpan span: spans) { int start = s.getSpanStart(span); int end = s.getSpanEnd(span); ...
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scala vs java, performance and memory? [closed]

...t occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in the map and come from strings of length greater than two. In Java, you might int n = 0; for (Str...
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Are there any downsides to passing structs by value in C, rather than passing a pointer?

...e output parameters be listed first before input parameters, e.g. int func(char* out, char *in); – zooropa Apr 29 '09 at 12:29 ...
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Why don't structs support inheritance?

...Basically, they're supposed to hold simple data and therefore do not have "extra features" such as inheritance. It would probably be technically possible for them to support some limited kind of inheritance (not polymorphism, due to them being on the stack), but I believe it is also a design choice ...