大约有 30,000 项符合查询结果（耗时：0.0309秒） [XML]
Generic type parameter naming convention for Java (with multiple chars)?
...rfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable.
5 Answ...
Efficiency of Java “Double Brace Initialization”?
...Just for reference, double brace initialization is the following:
List<String> list = new ArrayList<String>() {{
add("Hello");
add("World!");
}};
It looks like a "hidden" feature of Java, but it is just a rewrite of:
List<String> list = new ArrayList<String>() {
...
What is the maximum length of a Push Notification alert text?
...kes up 20 characters (20 bytes), leaving 236 bytes to put inside the alert string. With ASCII that will be 236 characters, and could be lesser with UTF8 and UTF16.
share
|
improve this answer
...
(How) can I count the items in an enum?
...
There's not really a good way to do this, usually you see an extra item in the enum, i.e.
enum foobar {foo, bar, baz, quz, FOOBAR_NR_ITEMS};
So then you can do:
int fuz[FOOBAR_NR_ITEMS];
Still not very nice though.
But of course you do realize that just the number of items in an...
Divide a number by 3 without using *, /, +, -, % operators
...
Use itoa to convert to a base 3 string. Drop the last trit and convert back to base 10.
// Note: itoa is non-standard but actual implementations
// don't seem to handle negative when base != 10.
int div3(int i) {
char str[42];
sprintf(str, "%d", IN...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...unt of all tables in a database:
CREATE TABLE #counts
(
table_name varchar(255),
row_count int
)
EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP TABLE ...
max value of integer
...numbers as they were unsigned (that is, handling all bits correctly).
The character data type char is 16 bits wide, unsigned, and holds characters using UTF-16 encoding (however, it is possible to assign a char an arbitrary unsigned 16 bit integer that represents an invalid character codepoint)
...
How do you compare structs for equality in C?
... do the wrong thing at application level. For example, should two UNICODE_STRING structs in Windows be compared shallowly or deeply?
share
|
improve this answer
|
follow
...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...properly escaped like \' ), jQuery fails to parse an otherwise valid JSON string. Here’s an example of what I mean ( done in Chrome’s console ):
...
Reading large text files with streams in C#
...w BufferedStream(fs))
using (StreamReader sr = new StreamReader(bs))
{
string line;
while ((line = sr.ReadLine()) != null)
{
}
}
March 2013 UPDATE
I recently wrote code for reading and processing (searching for text in) 1 GB-ish text files (much larger than the files involved he...