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'npm' is not recognized as internal or external command, operable program or batch file
... "User variable". Sharing this below: 1:Open the System Properties window (Start-->Settings-->Control Panel-->Performance and Maintenance-->System). 2.Select the Advanced tab. 3.Click on the Environment Variables button. 4.Click New button under the "User variables" 5.add "Path" and ";C:...
How to check if a string starts with one of several prefixes?
...
Do you mean this:
if (newStr4.startsWith("Mon") || newStr4.startsWith("Tues") || ...)
Or you could use regular expression:
if (newStr4.matches("(Mon|Tues|Wed|Thurs|Fri).*"))
s...
How to run a program without an operating system?
...ng?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
...
How do I load an HTML page in a using JavaScript?
...and time it.
/*
function test_()
{
var start = new Date().getTime();
$(content_div).load(test_page, function() {
alert(new Date().getTime() - start);
});
}
// 1044
*/
// TEST 2 = use <obj...
How do I profile memory usage in Python?
... print("Total allocated size: %.1f KiB" % (total / 1024))
tracemalloc.start()
counts = Counter()
fname = '/usr/share/dict/american-english'
with open(fname) as words:
words = list(words)
for word in words:
prefix = word[:3]
counts[prefix] += 1
print('Top prefixes:', cou...
NSDate beginning of day and end of day
...
Start Of Day / End Of Day — Swift 4
// Extension
extension Date {
var startOfDay: Date {
return Calendar.current.startOfDay(for: self)
}
var endOfDay: Date {
var components = DateComponents(...
Writing a compiler in its own language
...piler to another architecture of microprocessor the bootstrapping should restart from a working compiler for that architecture. Is this right? If this is right this means that is better to keep the first compiler as it could be useful to port your compiler to other architectures (especially if is wr...
Difference between matches() and find() in Java Regex
...tch the expression against the entire string and implicitly add a ^ at the start and $ at the end of your pattern, meaning it will not look for a substring. Hence the output of this code:
public static void main(String[] args) throws ParseException {
Pattern p = Pattern.compile("\\d\\d\\d");
...
How can I change the color of a part of a TextView?
...Network DEF");
String str = spannable.toString();
iStart = str.indexOf("In-Network");
iEnd = iStart + 10;/*10 characters = in-network. */
SpannableString ssText = new SpannableString(spannable);
ClickableSpan clickableSpan = new ClickableS...
How to make an Android device vibrate?
...
Grant Vibration Permission
Before you start implementing any vibration code, you have to give your application the permission to vibrate:
<uses-permission android:name="android.permission.VIBRATE"/>
Make sure to include this line in your AndroidManifest....