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How can I perform a reverse string search in Excel without using VBA?
I have an Excel spreadsheet containing a list of strings. Each string is made up of several words, but the number of words in each string is different.
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Objective-C formatting string for boolean?
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One way to do it is to convert to strings (since there are only two possibilities, it isn't hard):
NSLog(@" %s", BOOL_VAL ? "true" : "false");
I don't think there is a format specifier for boolean values.
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Default template arguments for function templates
... I proved with the following code:
#include <iostream>
#include <string>
#include <sstream>
#include <ctype.h>
template <typename T> T prettify(T t) { return t; }
std::string prettify(char c) {
std::stringstream ss;
if (isprint((unsigned char)c)) {
ss...
what is Segmentation fault (core dumped)? [duplicate]
...f), you should use the %f format specifier. The %s format specifier is for strings ('\0'-terminated character arrays).
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How to send emails from my Android application?
...N_SEND);
i.setType("message/rfc822");
i.putExtra(Intent.EXTRA_EMAIL , new String[]{"recipient@example.com"});
i.putExtra(Intent.EXTRA_SUBJECT, "subject of email");
i.putExtra(Intent.EXTRA_TEXT , "body of email");
try {
startActivity(Intent.createChooser(i, "Send mail..."));
} catch (android.c...
What does a type followed by _t (underscore-t) represent?
...nd probably some others I've forgotten. The C99 standard defines a lot of extra types, such as uintptr_t, intmax_t, int8_t, uint_least16_t, uint_fast32_t, and so on. These new types are formally defined in <stdint.h> but most often you will use <inttypes.h> which (unusually for standar...
Check if a String contains numbers Java
I'm writing a program where the user enters a String in the following format:
14 Answers
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...SDictionary *r3 = @{@"bool" : @((BOOL)true)};
Then we convert it to JSON string before sending as
NSData *data = [NSJSONSerialization dataWithJSONObject:requestParams options:0 error:nil];
NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
The result is
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Size of character ('a') in C/C++
What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++.
4 Answers
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What is the difference between varchar and varchar2 in Oracle?
...ARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will.
If you rely on empty string and NULL being the same thing, you should use VARCHAR2.
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