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How to do a newline in output
...ems that both Ruby and PHP do not expand escape sequences in single quoted strings.
– kjagiello
Dec 31 '13 at 15:02
2
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...Menu->Window->Preferences->Maven->Installation-> enter that string. Then you should have switched to your new external maven.
then run your Project as e.g. "maven test".
The error-message should be gone.
shar...
How do I escape a percentage sign in T-SQL?
...nd the desired character (e.g. '!') to each of the existing % signs in the string and then add ESCAPE '!' (or your character of choice) to the end of the query.
For example:
SELECT *
FROM prices
WHERE discount LIKE '%80!% off%'
ESCAPE '!'
This will make the database treat 80% as an actual part o...
How can I calculate an md5 checksum of a directory?
...ther groupid and ownerid numbers are the same, not necessarily whether the string representation of group/owner are the same. This is in line with what for example rsync -a --delete does: it synchronizes virtually everything (minus xattrs and acls), but it will sync owner and group based on their I...
Is a GUID unique 100% of the time?
...me GUID values then put two of them next to each other.
Guid.NewGuid().ToString() + Guid.NewGuid().ToString();
If you are too paranoid then put three.
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...include <msgpack.hpp>
class myclass {
private:
std::string str;
std::vector<int> vec;
public:
// This macro enables this class to be serialized/deserialized
MSGPACK_DEFINE(str, vec);
};
int main(void) {
// serialize
my...
.NET List Concat vs AddRange
...e done a test comparing Concat and AddRange with a List<KeyValuePair<string, string>> with 1000 elements, concatenated/added 100 times, and AddRange was extremely faster. The results were these: AddRange 13 ms, Concat().ToList() 16,000 ms, and Concat on an IEnumerable doing only the ToLi...
Android ListView not refreshing after notifyDataSetChanged
...data again.
The idea is something similar to this :
private ArrayList<String> titles;
private MyListAdapter adapter;
private ListView myListView;
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
...
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...
django templates: include and extends
...nds variable %} uses the value of variable. If the variable evaluates to a string, Django will use that string as the name of the parent template. If the variable evaluates to a Template object, Django will use that object as the parent template.
Instead of separate "page1.html" and "page2.html", ...