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What is the python “with” statement designed for?
...y add it for the sake of completeness: the with statement simplifies exception handling by encapsulating common preparation and cleanup tasks in so-called context managers. More details can be found in PEP 343. For instance, the open statement is a context manager in itself, which lets you open a fi...
How do I scroll the UIScrollView when the keyboard appears?
... to change the contentInset of the UIScrollView. It is a very elegant solution, because you do not have to mess with the contentSize.
Following code is copied from the Keyboard Programming Guide, where the handling of this issue is explained. You should have a look into it.
// Call this method som...
Show or hide element in React
...act circa 2020
In the onClick callback, call the state hook's setter function to update the state and re-render:
const Search = () => {
const [showResults, setShowResults] = React.useState(false)
const onClick = () => setShowResults(true)
return (
<div>
<inp...
Exception messages in English?
We are logging any exceptions that happen in our system by writing the Exception.Message to a file. However, they are written in the culture of the client. And Turkish errors don't mean a lot to me.
...
Parsing XML with namespace in Python via 'ElementTree'
...ve the .find(), findall() and iterfind() methods an explicit namespace dictionary. This is not documented very well:
namespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed
root.findall('owl:Class', namespaces)
Prefixes are only looked up in the namespaces parameter you pass ...
How to use UIVisualEffectView to Blur Image?
... The workaround works even without subclassing, just define extension UILabel { override func tintColorDidChange() { textColor = tintColor; super.tintColorDidChange() } }
– Palimondo
Jun 16 '14 at 16:48
...
How to get HTTP Response Code using Selenium WebDriver
....util.Iterator;
import java.util.logging.Level;
import org.json.JSONException;
import org.json.JSONObject;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.logging.LogEntries;
import org.openqa.selenium.logging.LogEntry;
imp...
.gitignore for Visual Studio Projects and Solutions
Which files should I include in .gitignore when using Git in conjunction with Visual Studio Solutions ( .sln ) and Projects?
...
Deciding between HttpClient and WebClient
... form of message handlers for security, etc.
I know mine is only one opinion, but I would only recommend use of HttpClient for any future work. Perhaps there's some way to leverage some of the other pieces coming out of System.Net.Http without using that assembly directly, but I cannot imagine how...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...
This is the full step-by-step procedure to resync a master-slave replication from scratch:
At the master:
RESET MASTER;
FLUSH TABLES WITH READ LOCK;
SHOW MASTER STATUS;
And copy the values of the result of the last command somewhere.
Without closing the connection to the client (because it wo...