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How to create a memory leak in Java?
...accessible by running code but still stored in memory) in pure Java:
The application creates a long-running thread (or use a thread pool to leak even faster).
The thread loads a class via an (optionally custom) ClassLoader.
The class allocates a large chunk of memory (e.g. new byte[1000000]), stor...
Deleting queues in RabbitMQ
...abbitMQ server; and will delete any persistent messages
rabbitmqctl stop_app
rabbitmqctl reset
rabbitmqctl start_app
The rabbitmq documentation says that the reset command:
Returns a RabbitMQ node to its virgin state.
Removes the node from any cluster it belongs to, removes all data fr...
Visual Studio Clicking Find Results Opens Code in Wrong Window
...
Go the same... irritating... I realized that this unwanted behavior happened only while the app was running in debug. After I stopped debugging, a new panel was created with this file open in it. If I opened new files, they would open in this new panel. If I close all files in this new pane...
Core Data: Quickest way to delete all instances of an entity
...y in Core Data to make this more efficient? This is a serious issue for my app already far down the road porting to Core Data. Its taking multiple seconds to delete all 4000 entries from just one of several tables. This is too long for the user to wait. Same request directly with sqlite seems instan...
Testing service in Angular returns module is not defined
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You essentially inserted a hack into your app to make sure that things load in the correct fashion - and I didn't mean hack in a bad way (there is nothing wrong with the way you wrote that snippet of code) but what happens when an update to jasmine or something else ...
Label under image in UIButton
...ng to create a button which has some text beneath the icon (sorta like the app buttons) however it seems to be quite difficult to achieve. Any ideas how can I go about get the text to display below the image with a UIButton ?
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Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
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How to set the font style to bold, italic and underlined in an Android TextView?
...TextView(this);
textView.setText(R.string.register);
Sometimes the above approach will not be helpful when you might have to use Dynamic Text. So in that case SpannableString comes into action.
String tempString="Copyright";
TextView text=(TextView)findViewById(R.id.text);
SpannableString spanSt...
How to set environment variables in Jenkins?
...valuates to key=value. In my use case I generate the line completely: cat app/build.gradle | grep "def majorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])'
– kenny_k
Jun ...
how to release localhost from Error: listen EADDRINUSE
...g using port 3000 on my machine, it seems pretty clear that something has happened to prevent the previous instantiation of my node process from shutting down properly. It was working when I used node app.js and stopped it with Ctrl+C, but started having the EADDRINUSE issue after the first time I u...