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Validate decimal numbers in JavaScript - IsNumeric()
...= false;
Some time ago I had to implement an IsNumeric function, to find out if a variable contained a numeric value, regardless of its type, it could be a String containing a numeric value (I had to consider also exponential notation, etc.), a Number object, virtually anything could be passed to ...
What is the purpose of the word 'self'?
...red Apr 25 '10 at 20:25
Thomas WoutersThomas Wouters
111k2121 gold badges136136 silver badges116116 bronze badges
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No newline at end of file
...file where there is a newline at the end and one where is not. Diff has to output a newline anyway, or the result would be harder to read or process automatically.
Note that it is a good style to always put the newline as a last character if it is allowed by the file format. Furthermore, for exampl...
libpthread.so.0: error adding symbols: DSO missing from command line
...er and everything ok.
Old:
$ g++ -rdynamic -m64 -fPIE -pie -o /tmp/node/out/Release/mksnapshot ...*.o *.a -ldl -lrt
got following error. If i append -lpthread option to above command then OK.
/usr/bin/ld: /tmp/node/out/Release/obj.host/v8_libbase/deps/v8/src/base/platform/condition-variable.o:...
Difference between onStart() and onResume()
...eryStoreActivity extends Activity {}
PLEASE NOTE: I've deliberately left out the calls to things like super.onCreate(...) etc. This is pseudo-code so give me some artistic licence here. ;)
The methods for DriveToWorkActivity follow...
protected void onCreate(...) {
openGarageDoor();
unlo...
How can I see the entire HTTP request that's being sent by my Python application?
...nately, I'm getting an error from PayPal, and PayPal support cannot figure out what the error is or what's causing it. They want me to "Please provide the entire request, headers included".
...
Declare slice or make slice?
...it would do an allocation? Cap is zero so nothing is allocated with or without make.
– Arman Ordookhani
Apr 21 at 14:19
1
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What's the difference between struct and class in .NET?
...g this one - this is from the early beta of SO when we were still figuring out the rules.
– Keith
Jul 15 '19 at 15:08
1
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What is the difference between HTTP status code 200 (cache) vs status code 304?
...
200 cache. Some good notes about this here: developer.yahoo.com/performance/rules.html#expires . You want as long an expiration time as possible on your assets, but have to balance this with the fact that you lose a certain amount of control this way. ...
Call by name vs call by value in Scala, clarification needed
...ume we have a function with a side-effect. This function prints something out and then returns an Int.
def something() = {
println("calling something")
1 // return value
}
Now we are going to define two function that accept Int arguments that are exactly the same except that one takes the ar...