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Booleans, conditional operators and autoboxing
...a.lang.Exception;
descriptor: ([Ljava/lang/String;)V
flags: ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=1
0: invokestatic #2 // Method returnsNull:()Ljava/lang/Boolean;
3: invokevirtual #3 // Method java...
How to split a large text file into smaller files with equal number of lines?
...file (still splits on line breaks):
split -C 20m --numeric-suffixes input_filename output_prefix
creates files like output_prefix01 output_prefix02 output_prefix03 ... each of max size 20 megabytes.
share
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How to unset a JavaScript variable?
...ed.
(1) If it is created with var, it cannot be deleted.
For example:
var g_a = 1; //create with var, g_a is a variable
delete g_a; //return false
console.log(g_a); //g_a is still 1
(2) If it is created without var, it can be deleted.
g_b = 1; //create without var, g_b is a property
delete g_b; /...
Getting individual colors from a color map in matplotlib
...call the cmap object you have.
import matplotlib
cmap = matplotlib.cm.get_cmap('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...
Limit file format when using ?
...sh we had a choice to exclude files as well, for example exclude="exe". ¯_(ツ)_/¯
– Sagiv b.g
Feb 19 '19 at 16:11
1
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...
}
System.out.printf("Done.%n");
}
}
Using Java 1.6.0_24-b07 on a Windows 7 32 bit.
java -Xloggc:gc.log GarbageCollector
Then look at gc.log
Triggered 444 times using BAD method
Triggered 666 times using WORSE method
Triggered 354 times using BETTER method
Now granted, ...
Verifying signed git commits?
...ge and pull operations checked if the key had a trust-level of either TRUST_NEVER or TRUST_UNDEFINED in verify_merge_signature().
If that was the case, the process die()'d.
The other code paths that did signature verification relied entirely on the return code from check_commit_signature...
HTML table td meaning
...ered Sep 20 '15 at 22:27
Dbeast1_16Dbeast1_16
5
1
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Parse large JSON file in Nodejs
...d to hear if it works.
It does work consider the following Javascript and _.isString:
stream.pipe(JSONStream.parse('*'))
.on('data', (d) => {
console.log(typeof d);
console.log("isString: " + _.isString(d))
});
This will log objects as they come in if the stream is an array of obj...
Prepend a level to a pandas MultiIndex
...to the columns by adding axis=1, since the df.columns doesn't have the "set_index" method like the index, which always bugs me.
– Rutger Kassies
Feb 10 '17 at 12:32
2
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