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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...其他潜在性能优化技巧，具体如下探讨。
4-1 Android应用String/StringBuilder/StringBuffer优化建议
字符串操作在Android应用开发中是十分常见的操作，也就是这个最简单的字符串操作却也暗藏很多潜在的性能问题，下面我们实例来说说...
Does Dispose still get called when exception is thrown inside of a using statement?
...eflector decodes the IL generated by your code:
private static void Main(string[] args)
{
SqlConnection conn = new SqlConnection("...");
try
{
conn.Open();
DoStuff();
}
finally
{
if (conn != null)
{
conn.Dispose();
}
}...
Given a filesystem path, is there a shorter way to extract the filename without its extension?
...
try
System.IO.Path.GetFileNameWithoutExtension(path);
demo
string fileName = @"C:\mydir\myfile.ext";
string path = @"C:\mydir\";
string result;
result = Path.GetFileNameWithoutExtension(fileName);
Console.WriteLine("GetFileNameWithoutExtension('{0}') returns '{1}'",
fileName, r...
std::string的截取字符串的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
std::string的截取字符串的方法例如截取ip:port，代码如下：std::string ip("127.0.0.1:8888");int index = ip.find_last_of(':'); ipip.substr(0, index)....例如截取ip:port，代码如下：
std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
//ip
ip.substr(0, in...
Import and Export Excel - What is the best library? [closed]
... Note that if you need to produce an excel file that has big strings in it, this library has a tendency to randomly produce 'unreadable content' errors in excel.
– Kevin Laity
Jan 30 '14 at 18:50
...
How to execute a stored procedure within C# program
...
using (var conn = new SqlConnection(connectionString))
using (var command = new SqlCommand("ProcedureName", conn) {
CommandType = CommandType.StoredProcedure }) {
conn.Open();
command.ExecuteNonQuery();
}
...
How can I check which version of Angular I'm using?
... angular.version.full holds the full version (e.g. "1.2.16") as a string
– Guillaume
May 16 '14 at 22:24
6
...
jQuery Mobile: document ready vs. page events
...ata.toPage,
from = data.options.fromPage;
if (typeof to === 'string') {
var u = $.mobile.path.parseUrl(to);
to = u.hash || '#' + u.pathname.substring(1);
if (from) from = '#' + from.attr('id');
if (from === '#index' && to === '#second') {
...
How can I add comments in MySQL?
...with the COMMENT option. The comment is displayed by the SHOW CREATE TABLE and SHOW FULL COLUMNS statements. This option is operational as of MySQL 4.1. (It is allowed but ignored in earlier versions.)"
As an example
--
-- Table structure for table 'accesslog'
--
CREATE TABLE accesslog (
aid int(...
How to go to a URL using jQuery? [duplicate]
...
What's the difference between window.location.href and location.href
– Yahya Uddin
Aug 21 '17 at 23:20
1
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