大约有 40,000 项符合查询结果（耗时：0.0532秒） [XML]
Are PDO prepared statements sufficient to prevent SQL injection?
...or MySQL). Therefore, PDO internally builds the query string, calling mysql_real_escape_string() (the MySQL C API function) on each bound string value.
The C API call to mysql_real_escape_string() differs from addslashes() in that it knows the connection character set. So it can perform the escapin...
gdb: how to print the current line or find the current line number?
...swered Jan 30 '13 at 11:05
kumar_m_kirankumar_m_kiran
3,64233 gold badges3838 silver badges6868 bronze badges
...
Why does SIGPIPE exist?
... changing global signal dispositions is to temporarily mask it with pthread_sigmask, perform the write, then perform sigtimedwait (with zero timeout) to consume any pending SIGPIPE signal (which is sent to the calling thread, not the process) before unmasking it again.
I believe the reason SIGPIPE ...
Import SQL file into mysql
...
From the mysql console:
mysql> use DATABASE_NAME;
mysql> source path/to/file.sql;
make sure there is no slash before path if you are referring to a relative path... it took me a while to realize that! lol
...
Get user info via Google API
...scope - https://www.googleapis.com/auth/userinfo.profile
return youraccess_token = access_token
get https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token=youraccess_token
you will get json:
{
"id": "xx",
"name": "xx",
"given_name": "xx",
"family_name": "xx",
"link": "xx",...
Reflection - get attribute name and value on property
...<string, string> GetAuthors()
{
Dictionary<string, string> _dict = new Dictionary<string, string>();
PropertyInfo[] props = typeof(Book).GetProperties();
foreach (PropertyInfo prop in props)
{
object[] attrs = prop.GetCustomAttributes(true);
foreach...
Do Java arrays have a maximum size?
...ry easy to test.
In a recent HotSpot VM, the correct answer is Integer.MAX_VALUE - 5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array = new Object[Integer.MAX_VALUE - 4];
}
}
You get:
Exception in thread "main" java.lang.OutOfMemoryEr...
UISegmentedControl below UINavigationbar in iOS 7
...WillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[self _moveHairline:YES];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
[self _moveHairline:NO];
}
- (void)_moveHairline:(BOOL)appearing
{
// move the hairline below the segmentbar
...
How to export/import PuTTy sessions list?
...
Only sessions:
regedit /e "%USERPROFILE%\Desktop\putty-sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions
All settings:
regedit /e "%USERPROFILE%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham
Powershell:
Only sessions:
reg export HKCU\Software\SimonTatham\PuTT...
How to limit the amount of concurrent async I/O operations?
...hecker
{
private const int ThreadCount=20;
private CountdownEvent _countdownEvent;
private SemaphoreSlim _throttler;
public Task Check(IList<string> urls)
{
_countdownEvent = new CountdownEvent(urls.Count);
_throttler = new SemaphoreSlim(ThreadCount);
...