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How do I properly compare strings in C?

... Then you can use it in the test condition of the while loop. Try this: #include <stdio.h> int checker(char input[],char check[]); int main() { char input[40]; char check[40]; int i=0; printf("Hello!\nPlease enter a word or character:\n"); scanf("%s",input); printf("I...
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How to use sed/grep to extract text between two words?

... Note that GNU grep's -P option does not exist in the grep included in *BSD, or the ones that come with any SVR4 (Solaris, etc). In FreeBSD, you can install the devel/pcre port which includes pcregrep, which supports PCRE (and look-ahead/behind). Older versions of OSX used GNU grep,...
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How do I check if a given string is a legal/valid file name under Windows?

I want to include a batch file rename functionality in my application. A user can type a destination filename pattern and (after replacing some wildcards in the pattern) I need to check if it's going to be a legal filename under Windows. I've tried to use regular expression like [a-zA-Z0-9_]+ but ...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

... // works } echo $foo; // works echo $baz; // doesn't work Scope and included files File boundaries do not separate scope: a.php <?php $foo = 'bar'; b.php <?php include 'a.php'; echo $foo; // works! The same rules apply to included code as applies to any other code: only func...
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Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i

... @JayprakashDubey, what about this? $(ARCHS_STANDARD_INCLUDING_64_BIT) ? – Hemang Sep 3 '15 at 13:22 ...
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grep using a character vector with multiple patterns

... In addition to @Marek's comment about not including fixed==TRUE, you also need to not have the spaces in your regular expression. It should be "A1|A9|A6". You also mention that there are lots of patterns. Assuming that they are in a vector toMatch <- c("A1",...
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sql primary key and index

... specific columns. By creating another index on the primary key column and including some other columns with it, you may reach the desired optimization for a query. For example you have a table with many columns but you are only querying ID, Name and Address columns. Taking ID as the primary key, w...
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How to copy a selection to the OS X clipboard

...-version VIM - Vi IMproved 7.2 (2008 Aug 9, compiled Nov 11 2008 17:20:43) Included patches: 1-22 Compiled by _www@b77.apple.com Normal version without GUI. Features included (+) or not (-): ... -clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments ... If it had been compi...
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Cookie blocked/not saved in IFRAME in Internet Explorer

...> <POLICY-REF about="/w3c/example-com.p3p#policy1"> <INCLUDE>/</INCLUDE> <COOKIE-INCLUDE/> </POLICY-REF> </POLICY-REFERENCES> </META> The <INCLUDE> shows all URIs that will use this policy (in my case, the whole site). The po...
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How do you query for “is not null” in Mongo?

... According to docs, $ne includes documents that do not contain the field. Has this changed since you posted the answer? docs.mongodb.org/manual/reference/operator/query/ne – Andrew Mao Sep 24 '14 at 4:40 ...