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Why is there a difference in checking null against a value in VB.NET and C#?
... the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more ...
What is a “slug” in Django?
...odels what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used?
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Loop through files in a directory using PowerShell
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not sure what I'm doing wrong but this is not working - I now get no output files (and no errors): $files = Get-ChildItem "C:\Users\gerhardl\Documents\My Received Files\" $files | Where-Object { $outFile = $_.Name + "out" Get-Content $_.FullName | Where-Object { ...
How to create Android Facebook Key Hash?
...e and password etc. Store it as a .jks file at a folder easily accessible. Now copy the path and generate the key by replacing that path in the above mentioned answer.
– buggydroid
Dec 9 '15 at 11:08
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How to decide between MonoTouch and Objective-C? [closed]
...oing to see big stuff. I love Apple's stack, but I have another playground now - that's a good thing and I'm giddy :)
– Rory Blyth
Oct 30 '09 at 21:00
4
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Why fragments, and when to use fragments instead of activities?
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updated question . it now has links to the videos of google. also, thanks for the explanation, but i still need clarification about my question.
– android developer
May 7 '12 at 11:04
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
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So, basically, you want your code to run faster. JNI is the answer. I know you said it didn't work for you, but let me show you that you are wrong.
Here's Dot.java:
import java.nio.FloatBuffer;
import org.bytedeco.javacpp.*;
import org.bytedeco.javacpp.annotation.*;
@Platform(include = "Dot.h...
React JSX: selecting “selected” on selected option
...ange={this.handleChange} />
)
}
}
included component (which is now a stateless functional):
export const ReactExample = ({ name, value, handleChange }) => (
<select name={name} value={value} onChange={handleChange}>
<option value="A">Apple</option>
<opt...
File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
...ve Architecture Only" to "Yes" in the target's build settings, and it's OK now!
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NoSql vs Relational database
... big advantages:
Strong mathematical basis.
Declarative syntax.
A well-known language in Structured Query Language (SQL).
Those haven't gone away.
It's a mistake to think about this as an either/or argument. NoSQL is an alternative that people need to consider when it fits, that's all.
Docum...