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MySQL check if a table exists without throwing an exception
What is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
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Convert a PHP object to an associative array
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Just typecast it
$array = (array) $yourObject;
From Arrays:
If an object is converted to an array, the result is an array whose elements are the object's properties. The keys are the member variable names, with a few notable exceptions: integer properties are unaccessible; private var...
也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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代码:
_stprintf(String, TEXT("%s,n,8,1"), strBaudRate);
if (!Rs232ConfigurePortWin32(String))
{
MessageBox(hMainWnd, TEXT("Error configuring port!"), TEXT("Error"), MB_OK|MB_ICONSTOP);
bConnected = FALSE;
return;
}
接着看看这个函数Rs232ConfigurePo...
GitHub authentication failing over https, returning wrong email address
... Credential Manager => Windows Manager
Delete everything related to tfs
Now click on Add a generic credential and provide the following values
(1) Internet or network adress: git:https://tfs.donamain name
(2) username: your username
(3) password: your password
this should fix it
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Rails: FATAL - Peer authentication failed for user (PG::Error)
...s=# create database "dcaclab_development" owner "guy_on_stackoverflow";
Now update your database.yml file after you've confirmed creating the database, user, password and set these privileges. Don't forget host: localhost.
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How to generate JAXB classes from XSD?
...eeds. A standard format allows reader applications to display feeds from different sources. In this example we will process the Atom feed for this blog.
Demo
In this example we will use JAXB to convert the Atom XML feed corresponding to this blog to objects and then back to XML.
import java.io....
UITextView that expands to text using auto layout
...tionHeightConstraint setConstant:descriptionSize.height];
[self layoutIfNeeded];
}
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QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
...de to work.
UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers.
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Android: how to make keyboard enter button say “Search” and handle its click?
...boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
performSearch();
return true;
}
return false;
}
});
shar...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
... this practice
Click Add Rule and then Apply Your Changes
Check if you're now able to connect to your instance via SSH.
Hope this can help someone as helped me.
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