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clearing a char array c
... memset is probably the most effective way to achieve this.
On the other hand, if you are choosing to view this as a C/C++ null terminated string, setting the first byte to 0 will effectively clear the string.
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Media Player called in state 0, error (-38,0)
...app that streams an internet radio station. I have the URL for the station and am setting up the Media Player like
18 Answe...
Best way to get InnerXml of an XElement?
...would ever be more efficient in these conditions because of the penalty of converting a large list to a large array (even obvious here with smaller lists).
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postgresql list and order tables by size
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This will be more clear.
pg_size_pretty(<numeric_value>) - converts no.of bytes to human-readable format.
pg_database_size(<db_name>) - gets database size in bytes.
pg_total_relation_size(<relation_name>) - gets total size of table and its index in bytes.
pg_relation_s...
“where 1=1” statement [duplicate]
... SQL Injection possible. The security issue would be to use $cond (without converting it to an integer) to specify the minimum age in the query, and to check if isset($_REQUEST['cond']) is actually true (otherwise using 1 = 1).
– Arseni Mourzenko
Nov 16 '11 at ...
How to write a simple database engine [closed]
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assume you have a table, with some data, we would create a data format to convert this table into a binary file, by agreeing on the definition of a column delimiter and a row delimiter and make sure such pattern of delimiter is never used in your data itself. i.e. if you have selected <*> for...
How to create dictionary and add key–value pairs dynamically?
...es will be coerced to a string when used as a key. E.g. a Date object gets converted to its string representation:
dict[new Date] = "today's value";
console.log(dict);
// => {
// "Sat Nov 04 2016 16:15:31 GMT-0700 (PDT)": "today's value"
// }
Note however that this doesn't necessarily...
Unable to find specific subclass of NSManagedObject
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Seems like Apple forgot to fully convert it to the swift .. dont know why but this fixed it for me pretty gently
– Jiří Zahálka
Nov 30 '14 at 0:32
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How to add percent sign to NSString
...e for percent sign in NSString format is %%. This is also true for NSLog() and printf() formats.
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How do I see what character set a MySQL database / table / column is?
...ER_SET_APPLICABILITY` CCSA
WHERE CCSA.collation_name = T.table_collation
AND T.table_schema = "schemaname"
AND T.table_name = "tablename";
For Columns:
SELECT character_set_name FROM information_schema.`COLUMNS`
WHERE table_schema = "schemaname"
AND table_name = "tablename"
AND column_na...