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How to check if variable's type matches Type stored in a variable
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The other answers all contain significant omissions.
The is operator does not check if the runtime type of the operand is exactly the given type; rather, it checks to see if the runtime type is compatible with the given type:
class Animal {}...
What is NODE_ENV and how to use it in Express?
...ment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debugging or logging code if running in a development environment.
A...
How to make HTML Text unselectable [duplicate]
...sers only, then just make use of CSS3:
.unselectable {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
<label class="unselectable">Unselectable label</label>
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Professional jQuery based Combobox control? [closed]
...ately, the best thing I have seen is the jquery.combobox, but it doesn't really look like something I'd really want to use in my web applications. I think there are some usability issues with this control, but as a user I don't think I'd know to start typing for the dropdownlist to turn into a textb...
Peak memory usage of a linux/unix process
... What if I don't know PID? For example in case when the program runs a small amount of time (<1s)
– diralik
Feb 23 '19 at 22:38
6
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How to make “if not true condition”?
... then ....
OR
if (( ! $(grep -c "sysa" /etc/passwd) )) ; then ....
Finally, there is an award called the Useless Use of Cat (UUOC). :-) Some people will jump up and down and cry gothca! I'll just say that grep can take a file name on its cmd-line, so why invoke extra processes and pipe construc...
How do I get the height and width of the Android Navigation Bar programmatically?
...r). You have to find out separately if and where the navigation bar is actually showing, e.g. by testing for the presence of a physical menu button. Maybe you can find some other way in the Android souce code at android.googlesource.com/platform/frameworks/base/+/…
– user1494...
Maven: How to include jars, which are not available in reps into a J2EE project?
...o set up your own repository, perhaps this will help.
You can use the install-file goal of the maven-install-plugin to install a file to the local repository. If you create a script with a Maven invocation for each file and keep it alongside the jars, you (and anyone else with access) can easily in...
How to save and load cookies using Python + Selenium WebDriver
How can I save all cookies in Python's Selenium WebDriver to a txt-file, then load them later? The documentation doesn't say much of anything about the getCookies function.
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img src SVG changing the styles with CSS
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This is obviously possible and not really a helpful answer.
– Timmmm
Dec 19 '19 at 16:54
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