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Stateless vs Stateful - I could use some concrete information
... many web apps are statefull beacause same sign up page gives differant results for user creditials...First time sign up will success...second time with same input signup will fail....because webapp has state of user somewhere stored...it may be database or differant storage
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
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Do you know what the code/sequence for Command+Delete is? (clear out the prompt)
– Steven Lu
Mar 31 '13 at 18:37
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delete map[key] in go?
...ven if the key is already absent from the map.
delete(timeZone, "PDT") // Now on Standard Time
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Set margins in a LinearLayout programmatically
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Ha, ok I understand now. Was getting a bit lost in the layout system which is rather complicated. I don't think there's anyway to set layout_widgth/height at runtime.
– Timmmm
Mar 20 '10 at 10:51
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Generating a PNG with matplotlib when DISPLAY is undefined
... Important note: .use needs to be called before pyplot is imported. So if you are, for instance, just trying to import pyplot, you need to import matplotlib first, call use, and than import pyplot.
– seaotternerd
Nov 8 '13 at 9:15
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Divide a number by 3 without using *, /, +, -, % operators
...gt;> 2, sum);
num = add(num >> 2, num & 3);
}
if (num == 3)
sum = add(sum, 1);
return sum;
}
As Jim commented this works, because:
n = 4 * a + b
n / 3 = a + (a + b) / 3
So sum += a, n = a + b, and iterate
When a == 0 (n < 4), sum += floor(n / 3); i....
Is it better to use std::memcpy() or std::copy() in terms to performance?
...I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That...
Why does my 'git branch' have no master?
...e my repo was still empty.) By committing something (any file), the master now came into being, and I was able to go on to doing other things. I tried the things in the other answers, but nothing helped. This one answer here may apply to many people out there. (I read much about hashing in Git. I ...
Custom Drawable for ProgressBar/ProgressDialog
...ar.
File res/drawable/progress_bar_states.xml declares the colors of the different states:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@android:id/background">
<shape>
<gradient
android:...
How do you prevent IDisposable from spreading to all your classes?
...use a future version might actually do something important in Dispose, and now you're got a hard to track down leak.
– Andy
Aug 25 '15 at 21:50
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