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What is the proper way to check for null values?
I love the null-coalescing operator because it makes it easy to assign a default value for nullable types.
10 Answers
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How do I update the GUI from another thread?
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For .NET 2.0, here's a nice bit of code I wrote that does exactly what you want, and works for any property on a Control:
private delegate void SetControlPropertyThreadSafeDelegate(
Control control,
string propertyNa...
How to change a field name in JSON using Jackson
...ied that, however I was doing @JsonProperty(value="label") and it was not working, I've tried it as you have suggested and it works! thanks man this will really help simplify the code now.
– Ali
Sep 1 '11 at 16:28
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Convert JavaScript String to be all lower case?
...string str itself". This is base on a documentation here developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Cary Bondoc
Jun 27 '14 at 0:52
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Fastest way to find second (third…) highest/lowest value in vector or column
...x and min, but I do not see a really fast way to find another value in the order, apart from sorting the whole vector and then picking a value x from this vector.
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How do I get the full path to a Perl script that is executing?
...ntains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably get the fullpath+filename of the script.
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)
...my .NET 4.0 application. But every method i try to load my dll i get an error:
17 Answers
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What is the difference between up-casting and down-casting with respect to class variable
...e animal's runtime type is Animal, and so when you tell the runtime to perform the cast it sees that animal isn't really a Dog and so throws a ClassCastException.
To call a superclass's method you can do super.method() or by performing the upcast.
To call a subclass's method you have to do a downc...
Change URL parameters
...dditionalURL) {
tempArray = additionalURL.split("&");
for (var i=0; i<tempArray.length; i++){
if(tempArray[i].split('=')[0] != param){
newAdditionalURL += temp + tempArray[i];
temp = "&";
}
}
}
var ro...
Looking for ALT+LeftArrowKey solution in zsh
...r I miss my Alt + LeftArrowKey and Alt + RightArrowKey to go back and forth a word at a time.
9 Answers
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