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How does the SQL injection from the “Bobby Tables” XKCD comic work?
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Can enums be subclassed to add new elements?
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answered Sep 12 '09 at 9:53
Jon SkeetJon Skeet
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Performing Inserts and Updates with Dapper
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edited May 25 '18 at 17:35
RA.
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answered May 11 '11 at 12:45
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What should I set JAVA_HOME environment variable on macOS X 10.6?
...cations that use shell scripts to configure their environment use the JAVA_HOME environment variable to start the correct version of Java, locate JRE JARs, and so on.
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Booleans, conditional operators and autoboxing
...nd operand to boolean)
E2: `true ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Operator ? :
For E1, the types of the 2nd and 3rd operands are Boolean and boolean respectively, so this clause applies:
If one of the...
Getting individual colors from a color map in matplotlib
...ap('Spectral')
rgba = cmap(0.5)
print(rgba) # (0.99807766255210428, 0.99923106502084169, 0.74602077638401709, 1.0)
For values outside of the range [0.0, 1.0] it will return the under and over colour (respectively). This, by default, is the minimum and maximum colour within the range (so 0.0 and 1...
Default implementation for Object.GetHashCode()
...ative::GetHashCode function in the CLR, which looks like this:
FCIMPL1(INT32, ObjectNative::GetHashCode, Object* obj) {
CONTRACTL
{
THROWS;
DISABLED(GC_NOTRIGGER);
INJECT_FAULT(FCThrow(kOutOfMemoryException););
MODE_COOPERATIVE;
SO_TOLER...
Why the switch statement cannot be applied on strings?
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answered Mar 16 '09 at 12:30
JaredParJaredPar
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How to close tag properly?
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answered Feb 13 '13 at 18:33
Ed HealEd Heal
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Prepend a level to a pandas MultiIndex
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A nice way to do this in one line using pandas.concat():
import pandas as pd
pd.concat([df], k...