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Adding :default => true to boolean in existing Rails column
...f down
change_column_default :profiles, :show_attribute, nil
end
Rails API-docs
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Create a List of primitive int?
...e method setSelectedIndices is a non-sense : docs.oracle.com/javase/8/docs/api/javax/swing/…
– vdolez
Jul 23 '16 at 7:22
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Get file name from URL
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getFileName requires android api level 26
– Manuela
Mar 12 at 9:11
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Android: TextView: Remove spacing and padding on top and bottom
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If you use AppCompatTextView ( or from API 28 onward ) you can use the combination of those 2 attributes to remove the spacing on the first line:
XML
android:firstBaselineToTopHeight="0dp"
android:includeFontPadding="false"
Kotlin
text.firstBaselineToTopHeigh...
How can I read a text file in Android?
...ext file is on sd card
//Find the directory for the SD Card using the API
//*Don't* hardcode "/sdcard"
File sdcard = Environment.getExternalStorageDirectory();
//Get the text file
File file = new File(sdcard,"file.txt");
//Read text from file
StringBuilder text = new StringBuilder();
try {
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How can I debug a HTTP POST in Chrome?
...when it changed? EDIT: Answered my own question. If you're using the Fetch API, Chrome wasn't capturing these requests to show in the tab. Apparently Canary is or will be soon.
– virtualandy
Sep 17 '15 at 23:55
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Renaming or copying files and folder using NERDTree on Vim. Is it possible?
...ERDTreeMenu The NERD tree has a menu that can be programmed via the an
API (see |NERDTreeMenuAPI|). The idea
is to simulate the "right click" menus
that most file explorers have. The
script comes with two default menu
plugins: exec_menuitem.vim and
fs_menu.vim. fs_menu.vim adds some
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
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Where it is documented:
From the API documentation under the has_many association in "Module ActiveRecord::Associations::ClassMethods"
collection.build(attributes = {}, …)
Returns one or more new objects of the
collection type that have been
inst...
python dataframe pandas drop column using int
...mns parameter here: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.drop.html?highlight=drop#pandas.DataFrame.drop
How to create a new file together with missing parent directories?
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As of java7, you can also use NIO2 API:
void createFile() throws IOException {
Path fp = Paths.get("dir1/dir2/newfile.txt");
Files.createDirectories(fp.getParent());
Files.createFile(fp);
}
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