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JavaScript hide/show element
...u can't use this in a CSS stylesheet, it seems. Thus, you'd either have to set it in the HTML or combine usage of display: none; etc.
– Andrew
Jul 11 '19 at 18:14
1
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What is Double Brace initialization in Java?
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The first brace creates a new Anonymous Inner Class.
The second set of brace creates an instance initializers like static block in Class.
For example:
public class TestHashMap {
public static void main(String[] args) {
HashMap<String,String> map = new HashMap<...
Which HTML elements can receive focus?
...ause yours does not include elements that don't have a tabindex explicitly set. For example <a href="foo.html">Bar</a> is certainly focusable because it's an a element that has an href attribute. But your selector does not include it.
– jbyrd
Aug 31...
NameError: name 'self' is not defined
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For cases where you also wish to have the option of setting 'b' to None:
def p(self, **kwargs):
b = kwargs.get('b', self.a)
print b
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How to make zsh run as a login shell on Mac OS X (in iTerm)?
When zsh is set as a login shell on Mac OS X, when it is started by iTerm, zsh doesn't consider that it's being run as a login shell, although it's started as ‘-zsh’ (‘-’ is put as the first character of arg[0]) which is supposed to mean that it should start as a login shell.
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How to change Android version and code version number?
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Go in the build.gradle and set the version code and name inside the defaultConfig element
defaultConfig {
minSdkVersion 9
targetSdkVersion 19
versionCode 1
versionName "1.0"
}
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ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
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You may need to set up a root account for your MySQL database:
In the terminal type:
mysqladmin -u root password 'root password goes here'
And then to invoke the MySQL client:
mysql -h localhost -u root -p
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JavaScript arrays braces vs brackets
...'property value', you are not actually adding an element to the array, but setting a property of the array object. Confused? I told ya ;) In JavaScript, basically everything is an object. Other objects, like Array, RegExp,... extend the basic object with further functionality. A plain, empty object ...
Making text background transparent but not text itself
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Don't use opacity for this, set the background to an RGBA-value instead to only make the background semi-transparent. In your case it would be like this.
.content {
padding:20px;
width:710px;
position:relative;
background: rgb(204, 204,...
How to run cron once, daily at 10pm
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Remember to check the system's date, it happened to me to set crontab to start a job at 22, but it actually started at 23 because the system was UTC (so 22 for the system was 23 for me in GMT).
– nnsense
Apr 24 '19 at 18:10
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