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Python add item to the tuple
...
>>> x = (u'2',)
>>> x += u"random string"
Traceback (most recent call last):
File "<pyshell#11>", line 1, in <module>
x += u"random string"
TypeError: can only concatenate tuple (not "unicode") to tuple
>>> x += (u"random string", ...
Getting the class name from a static method in Java
...ard-code in knowledge of MyClass like that, then you might as well just do String name = "MyClass"; !
– John Topley
Jun 1 '09 at 20:45
111
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Delete column from SQLite table
...
For SQLite3 c++ :
void GetTableColNames( tstring sTableName , std::vector<tstring> *pvsCols )
{
UASSERT(pvsCols);
CppSQLite3Table table1;
tstring sDML = StringOps::std_sprintf(_T("SELECT * FROM %s") , sTableName.c_str() );
table1 = getTable...
Turn a simple socket into an SSL socket
...ill need to initialize OpenSSL:
void InitializeSSL()
{
SSL_load_error_strings();
SSL_library_init();
OpenSSL_add_all_algorithms();
}
void DestroySSL()
{
ERR_free_strings();
EVP_cleanup();
}
void ShutdownSSL()
{
SSL_shutdown(cSSL);
SSL_free(cSSL);
}
Now for the bulk o...
What is the difference between re.search and re.match?
...
re.match is anchored at the beginning of the string. That has nothing to do with newlines, so it is not the same as using ^ in the pattern.
As the re.match documentation says:
If zero or more characters at the
beginning of string match the regular expression patt...
How can I generate random alphanumeric strings?
How can I generate a random 8 character alphanumeric string in C#?
33 Answers
33
...
How to tell if JRE or JDK is installed
...an be inferred (most of the time)...
public static boolean isJDK() {
String path = System.getProperty("sun.boot.library.path");
if(path != null && path.contains("jdk")) {
return true;
}
return false;
}
However... on Linux this isn't as reliable... For example...
...
How do Mockito matchers work?
...dummy value, like 0 for anyInt() or any(Integer.class) or an empty List<String> for anyListOf(String.class). Because of type erasure, though, Mockito lacks type information to return any value but null for any() or argThat(...), which can cause a NullPointerException if trying to "auto-unbox" ...
How to use phpexcel to read data and insert into database?
... not work. i had to replace $highestColumn = PHPExcel_Cell::columnIndexFromString($sheet->getHighestColumn()); with simple $sheet->getHighestColumn(). you may have a bug in the code as you try to get the column index from the string - BUT try to access it via $highestColumn.$row in the loop (w...
Remove duplicates from an array of objects in JavaScript
...ueArray = things.thing.filter((thing, index) => {
const _thing = JSON.stringify(thing);
return index === things.thing.findIndex(obj => {
return JSON.stringify(obj) === _thing;
});
});
Stackblitz Example
sha...