大约有 24,000 项符合查询结果（耗时：0.0323秒） [XML]
What is the difference between HashSet and List?
...(1) random access than can grow dynamically (think dynamic array). You can test containment in O(n) time (unless the list is sorted, then you can do a binary search in O(log n) time).
Maybe you can explain with an example in what cases HashSet<T> should be prefered against List<T>
...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...}
if (!('every' in Array.prototype)) {
Array.prototype.every= function(tester, that /*opt*/) {
for (var i= 0, n= this.length; i<n; i++)
if (i in this && !tester.call(that, this[i], i, this))
return false;
return true;
};
}
if (!('some' i...
Write a function that returns the longest palindrome in a given string
...me is
}
return count;
}
function getBiggestPalindrome(s) {
// test for simple cases
if (s === null || s === '') { return 0; }
if (s.length === 1) { return 1; }
var longest = 1;
for (var i = 0; i < s.length - 1; i++) {
var c = s[i]; // the current letter
...
Is there a way to check if int is legal enum in C#?
...implementation did not support negative values. This has been remedied and tests provided.
And the tests to back it up:
[TestClass]
public class EnumExtensionsTests
{
[Flags]
enum WithFlags
{
First = 1,
Second = 2,
Third = 4,
Fourth = 8
}
enum W...
What is the difference between g++ and gcc?
...ng dependencies on math, RTTI, and exception information. Whether a given test case links or fails will depend on the operating system and which C++ features are used by the test case, which again is why all of that knowledge is built into the g++ driver instead of being left up to the user to figu...
Issue with adding common code as git submodule: “already exists in the index”
... STEP 1: git rm -r --cached src/test/resources/ , STEP 2: removed existing resources directory to some other place , STEP 3: git submodule add add url_to_repo src/test/resources
– vikramvi
Jan 30 '17 at 11:41
...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
... a time, where I could adjust the value of n before a run.) I also ran the test multiple times for each n.
Doing single VALUE blocks (eg, 1 row at a time) took 5.7 - 5.9 seconds to run. The other values are as follows:
2 rows at a time: 3.5 - 3.5 seconds
5 rows at a time: 2.2 - 2.2 seconds
10 rows...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
... v$parameter where name='service_names'
Once I updated tnsnames.ora to:
TEST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *<validhost>*)(PORT = *<validport>*))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = *<servicena...
Hidden Features of JavaScript? [closed]
...
Also, be careful: the in operator also tests the prototype chain! If someone has put a property called '5' on the Object.prototype, the second example would return true even if you called '5 in list(1, 2, 3, 4)'... You'd better use the hasOwnProperty method: list...
How to capitalize the first character of each word in a string
...s that. Just replace your if-else-if block with my if-else block and run a test.
– bancer
Nov 10 '12 at 1:09
@TrueSoft...