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What's the point of malloc(0)?
...ate memory of correct size. The malloc function is unaware of what you're casting its result to. The malloc function relies purely on the size number that you give as its argument. You need to do malloc(sizeof(int)) to get enough storage to hold an int, for example, not 0.
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Is it safe to check floating point values for equality to 0?
...rns true
The problem is, programmer sometimes forgets that implicit type cast (double to float) is happening for the comparison and the it results into a bug.
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How to create enum like type in TypeScript?
...n-enum-with-string-values-in-typescript/
There is a simple solution: Just cast the string literal to any before assigning:
export enum Language {
English = <any>"English",
German = <any>"German",
French = <any>"French",
Italian = <any>"Italian"
}
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How to check edittext's text is email address or not?
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String implements CharSequence so I think the cast from email to inputStr is redundant.
– nuala
Aug 2 '12 at 15:11
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Can I call a base class's virtual function if I'm overriding it?
...in this Question, this shouldn't work because of protected inheritance. To cast a base class pointer you have to use public inheritance.
– Darkproduct
Jun 3 at 9:06
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Operator Overloading with C# Extension Methods
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I was hoping to implement this same concept to cast a String to a PowerShell ScriptBlock.
– Trevor Sullivan
Feb 17 '14 at 17:00
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What does LINQ return when the results are empty
...nto another query. This caused the second query to throw no matter what I cast it to because there was no value being fed into the second query.
– trevorc
Nov 30 '11 at 21:11
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Signed versus Unsigned Integers
...es, you could do:
i = ((int) b[j]) << 8 | b[j+1]
(should probably cast the 2nd byte, but I'm guessing the compiler will do the right thing)
With signed values you would have to worry about sign extension and do:
i = (((int) b[i]) & 0xFF) << 8 | ((int) b[i+1]) & 0xFF
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How to read and write excel file
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in fact, just remove the (short) cast poi.apache.org/apidocs/org/apache/poi/hssf/usermodel/…
– nicolallias
Dec 23 '14 at 14:18
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How to create index on JSON field in Postgres?
...to do integer comparisons instead of string comparisons, you have to add a cast: ((info->>'name')::INT).
– jpmc26
Oct 6 '15 at 19:44
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