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Using “like” wildcard in prepared statement
... "SELECT * FROM analysis WHERE notes LIKE ? ESCAPE '!'");
pstmt.setString(1, notes + "%");
or a suffix-match:
pstmt.setString(1, "%" + notes);
or a global match:
pstmt.setString(1, "%" + notes + "%");
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How to use enums as flags in C++?
...efine bit operators for the enum, as:
enum AnimalFlags
{
HasClaws = 1,
CanFly = 2,
EatsFish = 4,
Endangered = 8
};
inline AnimalFlags operator|(AnimalFlags a, AnimalFlags b)
{
return static_cast<AnimalFlags>(static_cast<int>(a) | static_cast<int>(b));
...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...
11
Using phpseclib, a pure PHP RSA implementation...
<?php
include('Crypt/RSA.php');
$rsa = n...
Replacing blank values (white space) with NaN in pandas
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12 Answers
12
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Switch case with fallthrough?
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314
Use a vertical bar (|) for "or".
case "$C" in
"1")
do_this()
;;
"2" | "3")
do_what...
How can I convert an Integer to localized month name in Java?
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13 Answers
13
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Passing functions with arguments to another function in Python?
...
Do you mean this?
def perform( fun, *args ):
fun( *args )
def action1( args ):
something
def action2( args ):
something
perform( action1 )
perform( action2, p )
perform( action3, p, r )
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How to not run an example using roxygen2?
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147
Use \dontrun{}
#'@examples
#'\dontrun{
#'geocode("3817 Spruce St, Philadelphia, PA 19104")
#'...
Check existence of input argument in a Bash shell script
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11 Answers
11
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Can I assume (bool)true == (int)1 for any C++ compiler?
Can I assume (bool)true == (int)1 for any C++ compiler ?
4 Answers
4
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