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Detecting an “invalid date” Date instance in JavaScript
...n Borgar's answer is unnecessary as isNaN() and isFinite() both implicitly convert to number.
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How do I update/upsert a document in Mongoose?
...t = new Contact({
phone: request.phone,
status: request.status
});
// Convert the Model instance to a simple object using Model's 'toObject' function
// to prevent weirdness like infinite looping...
var upsertData = contact.toObject();
// Delete the _id property, otherwise Mongo will return a ...
Using a dictionary to count the items in a list [duplicate]
...
This answer works even on a list of floating point numbers, where some of the numbers may be '0'
– SherylHohman
May 3 '17 at 5:12
3
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Using Mockito with multiple calls to the same method with the same arguments
... when):
when(someMock.someMethod()).thenAnswer(new Answer() {
private int count = 0;
public Object answer(InvocationOnMock invocation) {
if (count++ == 1)
return 1;
return 2;
}
});
Or using the equivalent, static doAnswer method:
doAnswer(new Answer() {
...
How to set input type date's default value to today?
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The date will be converted into UTC time. If you're at 6pm on 2018-03-27 in -0600 and you set the valueAsDate to new Date(), the fields value will be set to 2018-03-28. See austinfrance.wordpress.com/2012/07/09/…
– Aup...
MemoryCache does not obey memory limits in configuration
...he other setting, but this is the more important one):
protected override int GetCurrentPressure()
{
int num = GC.CollectionCount(2);
SRef ref2 = this._sizedRef;
if ((num != this._gen2Count) && (ref2 != null))
{
this._gen2Count = num;
this._idx ^= 1;
this._cacheSizeSampl...
How to write log to file
...f("error opening file: %v", err)
}
defer f.Close()
log.SetOutput(f)
log.Println("This is a test log entry")
Based on the Go docs, os.Open() can't work for log.SetOutput, because it opens the file "for reading:"
func Open
func Open(name string) (file *File, err error) Open opens the named...
Styling HTML email for Gmail
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Use inline styles for everything. This site will convert your classes to inline styles: http://premailer.dialect.ca/
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How to find the sum of an array of numbers
...resentation of JavaScript code. Using the Array.prototype.join function to convert the array to a string, we change [1,2,3] into "1+2+3", which evaluates to 6.
console.log(
eval([1,2,3].join('+'))
)
//This way is dangerous if the array is built
// from user input as it may be exploited ...
Shell - Write variable contents to a file
...s -- right now, any runs of whitespace within the variable's value will be converted to a single space, glob expressions will be expanded, etc.
– Charles Duffy
Jul 23 '12 at 19:54
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