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HTML5 LocalStorage: Checking if a key exists [duplicate]
...umerable: false
});
If the value isn't set, it returns null. You are testing to see if it is undefined. Check to see if it is null instead.
if(localStorage.getItem("username") === null){
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How to insert a new line in Linux shell script? [duplicate]
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Use this echo statement
echo -e "Hai\nHello\nTesting\n"
The output is
Hai
Hello
Testing
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Using std Namespace
...ork. Some months later, "module.h" was modified to include "list.h". The tests passed. "module" hadn't be modified in a way that affected its ABI, so "engine" library could be used without re-compiling its users. Integration tests were OK. New "module" published. Next compilation of engine brok...
How do I get the computer name in .NET
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I just tested this and found that Dns.GetHostName() didn't give the fully-qualified name.
– Sam
Jun 13 '13 at 4:33
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I need to securely store a username and password in Python, what are my options?
... return decrypt(db[key], getSaltForKey(key))
def require(key):
''' Test if key is stored, if not, prompt the user for it while hiding their input from shoulder-surfers.'''
if not key in db: store(key, getpass('Please enter a value for "%s":' % key))
### Setup ###
# Aquire passphrase:
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What is the difference between user and kernel modes in operating systems?
...c 0
msg:
.ascii "hello syscall v8\n"
len = . - msg
GitHub upstream.
Test it out with QEMU on Ubuntu 16.04:
sudo apt-get install qemu-user gcc-arm-linux-gnueabihf
arm-linux-gnueabihf-as -o hello.o hello.S
arm-linux-gnueabihf-ld -o hello hello.o
qemu-arm hello
Here is a concrete baremetal ex...
AngularJs: Reload page
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window object is made available through $window service for easier testing and mocking, you can go with something like:
$scope.reloadPage = function(){$window.location.reload();}
And :
<a ng-click="reloadPage" class="navbar-brand" title="home" data-translate>PORTAL_NAME</a>...
Call a Javascript function every 5 seconds continuously [duplicate]
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@Anantha: FYI, The code you had before your latest edit (after my edit) (setInterval(methodName,5000)), did not use eval. eval is only used in setInterval/setTimeout if the first parameter is passed as a string.
– Matt
Aug 25 '11 at...
How can I create a copy of an object in Python?
... @AaronHall Thanks for letting me know! This certainly isn't the greatest answer I wrote, but I kind of agree with the decision that it should not be forcibly deleted. I'll brush it up a bit, but since there are already answers with all the details (notably yours), I'll keep it short.
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How to set background color of HTML element using css properties in JavaScript
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In Selenium tests: ((IJavaScriptExecutor)WebDriver).ExecuteScript("arguments[0].style.background = 'yellow';", webElement);
– nexoma
Mar 15 '18 at 12:31
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