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How to replace all occurrences of a string?
I have this string:
70 Answers
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Types in MySQL: BigInt(20) vs Int(20)
...---+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+------------------+------+-----+---------+-------+
| id | int(20) unsigned | YES | | NULL | |
+-------+------------------+------+-----+---------+-------+
1 row in set (0,00 sec)
mysql> IN...
How do I make a textbox that only accepts numbers?
...to implement such thing recently and i ended up with try-parsing resulting string to number and allowing input only if parsing succeeded
– grzegorz_p
Jan 4 '12 at 15:03
1
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What is the difference between printf() and puts() in C?
...ically appends a newline. If that's not what you want, you can fputs your string to stdout or use printf.
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Convert pem key to ssh-rsa format
...PubKey = NULL;
RSA* pRsa = NULL;
BIO *bio, *b64;
ERR_load_crypto_strings();
OpenSSL_add_all_algorithms();
if (argc != 3)
{
printf("usage: %s public_key_file_name ssh_key_description\n", argv[0]);
iRet = 1;
goto error;
}
pFile = fopen(argv[1], "rt");
i...
What Regex would capture everything from ' mark to the end of a line?
...ed by any number of any chars [including zero chars] ending with an end of string/line token:
'.*$
And if you wanted to capture everything after the ' char but not include it in the output, you would use:
(?<=').*$
This basically says give me all characters that follow the ' char until the ...
How do I execute a command and get the output of the command within C++ using POSIX?
...stream>
#include <memory>
#include <stdexcept>
#include <string>
#include <array>
std::string exec(const char* cmd) {
std::array<char, 128> buffer;
std::string result;
std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
...
Serialize an object to string
...
Use a StringWriter instead of a StreamWriter:
public static string SerializeObject<T>(this T toSerialize)
{
XmlSerializer xmlSerializer = new XmlSerializer(toSerialize.GetType());
using(StringWriter textWriter = new...
How to activate “Share” button in android app?
...android.content.Intent.ACTION_SEND);
sharingIntent.setType("text/plain");
String shareBody = "Here is the share content body";
sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Subject Here");
sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBody);
startActivity(Intent.cre...
How to construct a std::string from a std::vector?
Short of (the obvious) building a C style string first then using that to create a std::string, is there a quicker/alternative/"better" way to initialize a string from a vector of chars?
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