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Returning a boolean from a Bash function
...s no failure (success) and non-zero means failure (of type N).
While the selected answer is technically "true" please do not put return 1** in your code for false. It will have several unfortunate side effects.
Experienced developers will spot you as an amateur (for the reason below).
Experience...
Xcode 4 and Core Data: How to enable SQL Debugging
... you should Go to Product -> Edit Scheme -> Then from the left panel select Run YOURAPP.app and go to the main panel's Arguments Tab.
There you can add an Argument Passed On Launch.
You should add -com.apple.CoreData.SQLDebug 4 (number between 1 and 4, higher number makes it more verbose)
P...
Search for “does-not-contain” on a DataFrame in pandas
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You can use Apply and Lambda to select rows where a column contains any thing in a list. For your scenario :
df[df["col"].apply(lambda x:x not in [word1,word2,word3])]
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How to change an application icon programmatically in Android?
...ication's icon from the program so next time they would see the previously selected icon in the launcher.
10 Answers
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How do I time a method's execution in Java?
....stop());
The nice thing is that Stopwatch.toString() does a good job of selecting time units for the measurement. I.e. if the value is small, it'll output 38 ns, if it's long, it'll show 5m 3s
Even nicer:
Stopwatch timer = Stopwatch.createUnstarted();
for (...) {
timer.start();
methodToTr...
MAC addresses in JavaScript
...);
var s = obj.ConnectServer(".");
var properties = s.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration");
var e = new Enumerator(properties);
var output;
output = '<table border="0" cellPadding="5px" cellSpacing="1px" bgColor="#CCCCCC">';
output = output...
How do I check out a remote Git branch?
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Accepted answer not working for you?
While the first and selected answer is technically correct, there's the possibility you have not yet retrieved all objects and refs from the remote repository. If that is the case, you'll receive the following error:
$ git checkout -b remote_br...
change text of button and disable button in iOS
...trolStateReserved];
[myButton setTitle: @"myTitle" forState: UIControlStateSelected];
[myButton setTitle: @"myTitle" forState: UIControlStateDisabled];
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What is causing this error - “Fatal error: Unable to find local grunt”
.... Use grunt:init, which gives you options such as jQuery, node,commonjs. Select what you want, then proceed. This really works. For more information you can visit this.
Do this:
1. npm install -g grunt
2. grunt:init ( you will get following options ):
jquery: A jQuery plugin
nod...
Class Not Found Exception when running JUnit test
...roblem occurs in Eclipse only, executing command Project -> Clean... on selected project may help.
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