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How do you get the list of targets in a makefile?
...al with false positives from other output sections.
if ($$1 !~ "^[#.]")
Selectively ignores blocks:
# ... ignores non-targets, whose blocks start with # Not a target:
. ... ignores special targets
All other blocks should each start with a line containing only the name of an explicitly defined...
How can I merge properties of two JavaScript objects dynamically?
...d use object spread:
let merged = {...obj1, ...obj2};
merged is now the union of obj1 and obj2. Properties in obj2 will overwrite those in obj1.
/** There's no limit to the number of objects you can merge.
* Later properties overwrite earlier properties with the same name. */
const allRules = ...
How to read a (static) file from inside a Python package?
...lidtk
├── lidtk
│ ├── analysis
│ │ ├── char_distribution.py
│ │ └── create_cm.py
│ ├── classifiers
│ │ ├── char_dist_metric_train_test.py
│ │ ├── char_features.py
│ │ ├── cld2
│...
How can I convert a hex string to a byte array? [duplicate]
...gth)
.Where(x => x % 2 == 0)
.Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
.ToArray();
}
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Should I use encodeURI or encodeURIComponent for encoding URLs?
....
encodeURI assumes that the input is a complete URI that might have some characters which need encoding in it.
encodeURIComponent will encode everything with special meaning, so you use it for components of URIs such as
var world = "A string with symbols & characters that have special meanin...
How to read a single char from the console in Java (as the user types it)?
Is there an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
...
How to Store Historical Data
...erform an insert statement into FOO_Hist similar to: insert into FOO_HIST select * from FOO where id = @id .
13 Answers
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Best practice multi language website
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It's getting harder and harder to select the best answer, currently there are about 3/4 answers that deserve at least a part of the bounty each. Combined they become a solid answer to everything I wanted to clear up together :)
– Joshua ...
How do I initialize a byte array in Java?
...;
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
If you let CDRIVES static and final, the performance drop is irrelevant.
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What uses are there for “placement new”?
..._b, ...);
Now you can cluster objects together in a single memory arena, select an allocator which is very fast but does no deallocation, use memory mapping, and any other semantic you wish to impose by choosing the pool and passing it as an argument to an object's placement new operator.
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