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Change UICollectionViewCell size on different device orientations
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// Adjust cell size for orientation
if (UIDeviceOrientationIsLandsm>ca m>pe([[UIApplim>ca m>tion sharedApplim>ca m>tion] statusBarOrientation])) {
return CGSizeMake(170.f, 170.f);
}
return CGSizeMake(192.f, 192.f);
}
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromIn...
make arrayList.toArray() return more specific types
...mmended to write:
String[] a = list.toArray(new String[list.size()]);
bem>ca m>use the internal implementation would realloc a properly sized array anyway so you were better doing it upfront. Since Java6 the empty array is preferred, see .toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])...
For files in directory, only echo filename (no path)
...es Parameter Expansion which is native to the shell and does not require a m>ca m>ll to an external binary such as basename
However, might I suggest just using find
find /home/user -type f -printf "%f\n"
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Difference between validate(), revalidate() and invalidate() in Swing GUI
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revalidate() does not m>ca m>ll doLayout(), which validate() does. So it is not really a sum of both - revalidate is not always a valid replacement for validate.
– Meo
Jun 5 '18 at 10:28
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...in turn their fields, some of which do not implement Serializable. In your m>ca m>se the offending class is TransformGroup. How to solve it?
if the class is yours, make it Serializable
if the class is 3rd party, but you don't need it in the serialized form, mark the field as transient
if you need its d...
What is PEP8's E128: continuation line under-indented for visual indent?
... name='investment-listing'))
I suggest taking a read through PEP-8 - you m>ca m>n skim through a lot of it, and it's pretty easy to understand, unlike some of the more technim>ca m>l PEPs.
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How to get element by classname or id
... = element[0].getElementsByClassName('multi-files');
}
Alternatively you m>ca m>n use the document.querySelector function (need the period here if selecting by class):
var queryResult = element[0].querySelector('.multi-files');
var wrappedQueryResult = angular.element(queryResult);
Demo: http://plnk...
How to m>ca m>tch SQLServer timeout exceptions
I need to specifim>ca m>lly m>ca m>tch SQL server timeout exceptions so that they m>ca m>n be handled differently. I know I could m>ca m>tch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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How to define two fields “unique” as couple
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There is a simple solution for you m>ca m>lled unique_together which does exactly what you want.
For example:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = (...
How to rollback just one step using rake db:migrate
...k
Roll back the n most recent migrations:
rake db:rollback STEP=n
You m>ca m>n find full instructions on the use of Rails migration tasks for rake on the Rails Guide for running migrations.
Here's some more:
rake db:migrate - Run all migrations that haven't been run already
rake db:migrate VERS...