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How can I rename a field for all documents in MongoDB?
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Anyone could potentially use this command to rename a field from the collection (By not using any _id):
dbName.collectionName.update({}, {$rename:{"oldFieldName":"newFieldName"}}, false, true);
see FYI
shar...
Drop rows with all zeros in pandas data frame
...his question about once a month and always have to dig out the best answer from the comments:
df.loc[(df!=0).any(1)]
Thanks Dan Allan!
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Multiple commands in an alias for bash
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@PhilipRego - I would be glad to learn from you and upvote your answer.
– mouviciel
Jun 20 '19 at 8:57
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Are PHP functions case sensitive?
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I am quoting from this:
Note: Function names are
case-insensitive, though it is usually
good form to call functions as they
appear in their declaration.
So, its looks like user-defined functions are not case-sensitive, there w...
Android: Difference between Parcelable and Serializable?
...e");
// Passing MyObjects instance via intent
Intent mIntent = new Intent(FromActivity.this, ToActivity.class);
mIntent.putExtra("UniqueKey", mObjects);
startActivity(mIntent);
// Getting MyObjects instance
Intent mIntent = getIntent();
MyObjects workorder = (MyObjects) mIntent.getSerializab...
How to resize superview to fit all subviews with autolayout?
...ze: UILayoutFittingCompressedSize];
NSLog( @"fittingSize: %@", NSStringFromCGSize( s ));
return s.height;
}
- (UITableViewCell *) tableView: (UITableView *) tableView cellForRowAtIndexPath: (NSIndexPath *) indexPath
{
TSTableViewCell *cell = (TSTableViewCell*)[tableView dequeueReusable...
Using Version Control for Home Development?
.... You can rapidly see what was changed and when was changed. Compare files from different revisions and merge easily.
You can branch to experiment. If you have some experiments in mind you can create a branch (a new independent development line) and test it. In the end, if you are satisfied with the...
Converting a string to int in Groovy
...ne of the toInteger() methods has been deprecated. The following is taken from org.codehaus.groovy.runtime.StringGroovyMethods in Groovy 2.4.4
/**
* Parse a CharSequence into an Integer
*
* @param self a CharSequence
* @return an Integer
* @since 1.8.2
*/
public static Integer toInteger(Char...
How to convert a Drawable to a Bitmap?
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where does str_url come from? I couldn't find any Drawable function related to strings... thanks for your help.
– Rob
Jun 14 '10 at 9:08
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How do I rename all folders and files to lowercase on Linux?
... The second one worked for me on Solaris by removing the -T from the mv command.
– Ham
Feb 21 '12 at 12:35
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