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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
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answered Feb 19 '13 at 10:54
Chris TaylorChris Taylor
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How does grep run so fast?
...omparison
# (everything is in the buffer cache)
$ time grep -c 'tg=f_c' 20140910.log
28
0.168u 0.068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140910.log
28
0.100u 0.056s 0:00.17
The longer form is 35% faster!
How come? Boyer-Moore consructs a skip-forward table from the pattern-st...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
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edited Mar 27 '13 at 10:17
answered Feb 14 '13 at 8:44
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What is the difference between save and export in Docker?
...h images.
An image has to be considered as 'dead' or immutable, starting 0 or 1000 containers from it won't alter a single byte. That's why I made a comparison with a system install ISO earlier. It's maybe even closer to a live-CD.
A container "boots" the image and adds an additional layer on top ...
Undoing accidental git stash pop
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70
Try using How to recover a dropped stash in Git? to find the stash you popped. I think there ar...
git add . vs git commit -a
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140
git commit -a means almost[*] the same thing as git add -u && git commit.
It's not the ...
Relative imports in Python 3
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AyaAya
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Scala equivalent of Java java.lang.Class Object
... type erasure on the JVM, in the case of getClass.
scala> classOf[C]
res0: java.lang.Class[C] = class C
scala> c.getClass
res1: java.lang.Class[_] = class C
That is why the following will not work:
val xClass: Class[X] = new X().getClass //it returns Class[_], nor Class[X]
val integerClass:...
Combining multiple @SuppressWarnings annotations - Eclipse Indigo
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307
Use the following:
@SuppressWarnings({"unused", "unchecked"})
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Can Java 8 code be compiled to run on Java 7 JVM?
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answered Mar 18 '14 at 22:30
JesperEJesperE
58.6k1515 gold badges129129 silver badges188188 bronze badges
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