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throwing exceptions out of a destructor
...od can potentially throw an exception.
The destructor calls close() if the file has been opened but makes sure that any exceptions do not propagate out of the destructor.
So if the user of a file object wants to do special handling for problems associated to closing the file they will manually call ...
Change color of PNG image via CSS?
...lot more (look at the example).
So you can now change the color of a PNG file with filters.
body {
background-color:#03030a;
min-width: 800px;
min-height: 400px
}
img {
width:20%;
float:left;
margin:0;
}
/*Filter styles*/
.saturate { filter: saturate(3); }...
android button selector
...
You just need to set selector of button in your layout file.
<Button
android:id="@+id/button1"
android:background="@drawable/selector_xml_name"
android:layout_width="200dp"
android:layout_height="126dp"
android:text="Hello" />
and done.
Edit
Fo...
Android Studio: Javadoc is empty on hover
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You don't need to edit the idea.properties file, just go to File -> Settings -> Editor -> General, then check "Show quick doc on mouse move" in the right pane.
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How to disable word-wrap in Xcode 4 editor?
...
In the file inspector, in the utilities panel (one on the right), theres a check box to enable/disable this for each file individually.
– Matt Le Fleur
Jul 3 '15 at 14:25
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href image link download on click
...
<a download="custom-filename.jpg" href="/path/to/image" title="ImageName">
<img alt="ImageName" src="/path/to/image">
</a>
It's not yet fully supported caniuse, but you can use with modernizr (under Non-core detects) to check...
How can I find where Python is installed on Windows?
...t recognized as an internal or external command, operable program or batch file."
– David Spector
Nov 25 '19 at 21:40
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What is the difference between #import and #include in Objective-C?
...t's improved, however, is still a matter of debate. #import ensures that a file is only ever included once so that you never have a problem with recursive includes. However, most decent header files protect themselves against this anyway, so it's not really that much of a benefit.
Basically, it's u...
For each row in an R dataframe
... dataframe I have to do some complicated lookups and append some data to a file.
9 Answers
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How to export and import a .sql file from command line with options? [duplicate]
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Type the following command to import sql data file:
$ mysql -u username -p -h localhost DATA-BASE-NAME < data.sql
In this example, import 'data.sql' file into 'blog' database using vivek as username:
$ mysql -u vivek -p -h localhost blog < data.sql
If you hav...