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java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();
... thread.
Toast needs an Activity to push to the user interface and threads don't have that.
So one workaround is to give the thread a link to the parent Activity and Toast to that.
Put this code in the thread where you want to send a Toast message:
parent.runOnUiThread(new Runnable() {
public ...
How do I save a String to a text file using Java?
...es statement" which will automatically close your PrintStream when you are done with it (ie exit the block) like so:
try (PrintWriter out = new PrintWriter("filename.txt")) {
out.println(text);
}
You will still need to explicitly throw the java.io.FileNotFoundException as before.
...
Why doesn't JavaScript support multithreading?
...
JavaScript does not support multi-threading because the JavaScript interpreter in the browser is a single thread (AFAIK). Even Google Chrome will not let a single web page’s JavaScript run concurrently because this would cause massive...
How do I use CSS in Django?
...ngo, and am wondering how I can make Django use my CSS file? What settings do I need to do to make Django see the css file?
...
How to search file text for a pattern and replace it with a given value
...d a quick one-off script where all the data is backed up. For that reason, do NOT copy this code into your programs.
Here's a quick short way to do it.
file_names = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
new_contents = text.gsub(/search_regexp/, "rep...
How do I make my GUI behave well when Windows font scaling is greater than 100%
When choosing large font sizes in the Windows control panel (like 125%, or 150%) then there are problems in a VCL application, every time something has been set pixelwise.
...
How do I intercept a method call in C#?
...te some others but making AOP with C# is painful.
I looked up for ways to do exactly what you wanted to do and I found no easy way to do it.
As I understand it, this is what you want to do:
[Log()]
public void Method1(String name, Int32 value);
and in order to do that you have two main options
...
Referring to the null object in Python
How do I refer to the null object in Python?
6 Answers
6
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Run all SQL files in a directory
...
Create a .BAT file with the following command:
for %%G in (*.sql) do sqlcmd /S servername /d databaseName -E -i"%%G"
pause
If you need to provide username and passsword
for %%G in (*.sql) do sqlcmd /S servername /d databaseName -U username -P
password -i"%%G"
Note that the "-E" is no...
PHP Session Fixation / Hijacking
...ets the session identifier of a session for a user. Typically in PHP it's done by giving them a url like http://www.example.com/index...?session_name=sessionid. Once the attacker gives the url to the client, the attack is the same as a session hijacking attack.
There are a few ways to prevent sess...
