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I can’t find the Android keytool
...:
http://docs.oracle.com/javase/7/docs/webnotes/install/mac/mac-jdk.html
Then type this into command prompt:
/usr/libexec/java_home -v 1.7
it will spit out something like:
/Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home
keytool is located in the same directory as javac. ie:
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Remove rows with all or some NAs (missing values) in data.frame
...1 2 3 2
Your solution can't work. If you insist on using is.na, then you have to do something like:
> final[rowSums(is.na(final[ , 5:6])) == 0, ]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
4 ENSG00000207604 0 NA NA 1 2
6 ENSG0000...
Android: ListView elements with multiple clickable buttons
...alk at 11:39 there is an excellent example: youtu.be/wDBM6wVEO70?t=11m39s Then do what @znq says...setTag() when the convertView==null and do getTag() in the onClick() method of the button's onClickListener(). Thank you!
– Shehaaz
Jun 1 '13 at 23:32
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Android SQLite DB When to Close
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Create your own Application context, then open and close the database from there.
That object also has an OnTerminate() method you could use to close the connection.
I havent tried it yet but it seems a better approach.
@binnyb: I dont like using finalize() to ...
How can I add a hint text to WPF textbox?
...oardFocus += new KeyboardFocusChangedEventHandler(tb_LostKeyboardFocus);
Then the event handlers:
private void tb_GotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
{
if(sender is TextBox)
{
//If nothing has been entered yet.
if(((TextBox)sender).Foreground =...
Django rest framework nested self-referential objects
...nt.__class__(value, context=self.context)
return serializer.data
Then, for your serializer, use the the RecursiveField to serialize the value of "replies"
class CommentSerializer(serializers.Serializer):
replies = RecursiveField(many=True)
class Meta:
model = Comment
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Can clearInterval() be called inside setInterval()?
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Okay thank you for clarifying! :) then it must be some logic errors in my program.
– yvonnezoe
May 17 '13 at 1:31
1
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How to loop through an array containing objects and access their properties
...ment.getElementsByClassName that would be an HTMLCollection, not an array. Then this question could be helpful.
– J0ANMM
May 4 '17 at 8:26
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Python JSON serialize a Decimal object
...tr(o) for o in [o])
return super(DecimalEncoder, self).default(o)
Then use it like so:
json.dumps({'x': decimal.Decimal('5.5')}, cls=DecimalEncoder)
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How to construct a timedelta object from a simple string
... A serious problem with this approach is that if you include days then sending %d into strptime, will not enable you to input day 0, as only days of >=1 are valid for a date.
– user1581390
Jun 24 '18 at 2:58
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