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How does strtok() split the string into tokens in C?
...in to me the working of strtok() function. The manual says it breaks the string into tokens. I am unable to understand from the manual what it actually does.
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How to know what the 'errno' means?
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You can use strerror() to get a human-readable string for the error number. This is the same string printed by perror() but it's useful if you're formatting the error message for something other than standard error output.
For example:
#include <errno.h>
#include ...
Write to .txt file?
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FILE *fp;
char* str = "string";
int x = 10;
fp=fopen("test.txt", "w");
if(fp == NULL)
exit(-1);
fprintf(fp, "This is a string which is written to a file\n");
fprintf(fp, "The string has %d words and keyword %s\n", x, str);
fclose(fp);
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C++11 reverse range-based for-loop
...his answer needs to be updated for recent compiler versions, where all the extra lines are not needed at all.
– Prikso NAI
Apr 27 '16 at 12:37
2
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“#include” a text file in a C program as a char[]
Is there a way to include an entire text file as a string in a C program at compile-time?
17 Answers
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Generating random strings with T-SQL
If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it?
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How do I initialize a byte array in Java?
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Using a function converting an hexa string to byte[], you could do
byte[] CDRIVES = hexStringToByteArray("e04fd020ea3a6910a2d808002b30309d");
I'd suggest you use the function defined by Dave L in Convert a string representation of a hex dump to a byte array...
Android Camera : data intent returns null
...Extras = new Bundle();
if (mCropValue.equals("circle")) {
newExtras.putString("circleCrop", "true");
}
if (mSaveUri != null) {
newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri);
} else {
newExtras.putBoolean("return-data", true);
}
I would guess that you're either passing in ...
constant pointer vs pointer on a constant value [duplicate]
...ometimes be written by someone else. Or, it can be really constant, e.g. a string literal.
– Marquis of Lorne
May 26 '16 at 23:57
add a comment
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Can I escape html special chars in javascript?
...expressions in replace() calls are unnecessary. Plain old single-character strings would do just as well.
– jamix
May 30 '14 at 14:47
25
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