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Count character occurrences in a string in C++

How can I count the number of "_" in a string like "bla_bla_blabla_bla" ? 13 Answers ...
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How do I use arrays in C++?

...int i = 0; i < n; ++i) { delete[] p[i]; } delete[] p; // note the extra delete[] ! And here is how it looks like in memory: +---+---+---+---+---+ | | | | | | +---+---+---+---+---+ ^ | +---+---+---+---+ | | | ...
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What is Weak Head Normal Form?

...thunks. In this case, t1 would be your 0 (or rather, a thunk to 0 given no extra unboxing) seq and $! evalute WHNF. Note that f $! x = seq x (f x) share | improve this answer | ...
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Unable to open project… cannot be opened because the project file cannot be parsed

...h branch and simply removing the merge markers wasn't enough; I had to add extra lines to the project.pbxproj file in order to maintain correct formatting. So, if you're running into parsing issues after you thought you'd resolved all you're merge conflicts, you might want to take a closer look at ...
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Invalid postback or callback argument. Event validation is enabled using '

... The problem is that ASP.NET does not get to know about this extra or removed listitem. You got an number of options (listed below): Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost). Use ASP.NET Ajax UpdatePanel. (Put the listb...
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Any gotchas using unicode_literals in Python 2.6?

... The main source of problems I've had working with unicode strings is when you mix utf-8 encoded strings with unicode ones. For example, consider the following scripts. two.py # encoding: utf-8 name = 'helló wörld from two' one.py # encoding: utf-8 from __future__ import unic...
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MongoDB with redis

...fit from the flexibility of MongoDB for main persistent data, and from the extra features provided by Redis (low latency, item expiration, queues, pub/sub, atomic blocks, etc ...). It is indeed a good combination. Please note you should never run a Redis and MongoDB server on the same machine. Mong...
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How do I use prepared statements in SQlite in Android?

...t = db.compileStatement("INSERT INTO Country (code) VALUES (?)"); stmt.bindString(1, "US"); stmt.executeInsert(); share | improve this answer | follow | ...
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7

...could look like this. From RMAppReceipt: + (NSData*)dataFromPKCS7Path:(NSString*)path { const char *cpath = [[path stringByStandardizingPath] fileSystemRepresentation]; FILE *fp = fopen(cpath, "rb"); if (!fp) return nil; PKCS7 *p7 = d2i_PKCS7_fp(fp, NULL); fclose(fp); if ...
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How to give border to any element using css without adding border-width to the whole width of elemen

... outline:1px solid white; This won't add the extra width and height. share | improve this answer | follow | ...