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Android AsyncTask threads limits?
..., if these tasks are used to modify any state in common (such as writing a file due to a button click), there are no guarantees on the order of the modifications. Without careful work it is possible in rare cases for the newer version of the data to be over-written by an older one, leading to obscur...
Removing Java 8 JDK from Mac
...e got backups, you can revert if you make a mistake) all the JDK6 and JRE6 files.
At this stage, you should see:
% ls /Library/Java/JavaVirtualMachines/
jdk1.7.0_nn.jdk
(and nothing else)
3) In the folder /Library/Java/Extensions/, you'll need to remove all the old jar files, the ones that corr...
SVN upgrade working copy
...ems:
cd [eclipse/workspace] # <- you supply the actual path here
for file in `find . -depth 2 -name "*.svn"`; do svn upgrade `dirname $file` ; done;
After Googling a bit, I found what seems to be the equivalent for Windows users:
http://www.rqna.net/qna/mnrmqn-how-to-find-all-svn-working-c...
Android Shared preferences for creating one time activity (example) [closed]
...tring variable like:
//public static final String MY_PREFS_NAME = "MyPrefsFile";
SharedPreferences.Editor editor = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE).edit();
editor.putString("name", "Elena");
editor.putInt("idName", 12);
editor.apply();
Retrieve data from preference:
SharedPre...
What is the rationale for fread/fwrite taking size and count as arguments?
...t in the first case you get only one chunk of 1000 bytes or nuthin, if the file is smaller and in the second case you get everything in the file less than and up to 1000 bytes.
share
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improve this ...
Warn user before leaving web page with unsaved changes
...tepickers or checkbox/radiobutton beautifiers which save their value in a hidden input through JavaScript.
The change event also doesn't trigger on values set from JavaScript code, so also won't work for virtual inputs.
Binding the input event to all inputs (and textareas and selects) on your pa...
How to set JAVA_HOME environment variable on Mac OS X 10.9?
...s:
echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile
and restart your shell.
If you have multiple JDK versions installed and you want it to be a specific one, you can use the -v flag to java_home like so:
echo export "JAVA_HOME=\$(/usr/libexec/java_home -v 1.7)" >&g...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
For example if I were to have a table "Person" with a column "id" that references a column "id" in table "Worker"
5 Answers...
Find first element by predicate
...t .findFirst returns. One of the uses of Optional is to help developers avoid having to deal with nulls. e.g. instead of checking myObject != null, you can check myOptional.isPresent(), or use other parts of the Optional interface. Did that make it clearer?
– AMTerp
...
Unit testing that events are raised in C# (in order)
...
Everything you've done is correct, providing you want your test to ask "What is the last event that was raised?"
Your code is firing these two events, in this order
Property Changed (... "My Property" ...)
Property Changed (... "MyOtherProperty" ...)
Whether...