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Merging two images in C#/.NET
Simple idea: I have two images that I want to merge, one is 500x500 that is transparent in the middle the other one is 150x150.
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Number of lines in a file in Java
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240
This is the fastest version I have found so far, about 6 times faster than readLines. On a 150MB...
How do I find the number of arguments passed to a Bash script?
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answered Dec 12 '10 at 18:46
zsalzbankzsalzbank
8,95411 gold badge2222 silver badges3838 bronze badges
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ItemsControl with horizontal orientation
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470
Simply change the panel used to host the items:
<ItemsControl ...>
<ItemsControl.I...
ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found
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edited Mar 20 '14 at 15:50
community wiki
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Position Absolute + Scrolling
...s:
.inner: { position: relative; height: auto; }
.full-height: { height: 100%; }
Setting the inner div's position to relative makes the absolutely position elements inside of it base their position and height on it rather than on the .container div, which has a fixed height. Without the inner, re...
Converting NumPy array into Python List structure?
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answered Dec 27 '09 at 15:31
Peter HansenPeter Hansen
18.1k22 gold badges4343 silver badges6868 bronze badges
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Difference between Big-O and Little-O Notation
... O(g) says, essentially
For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a.
Note that O(g) is the set of all functions for which this condition holds.
f ∈ o(g) says, essentially
For every c...
How do I use valgrind to find memory leaks?
...a Valgrind report that looks like this:
HEAP SUMMARY:
in use at exit: 0 bytes in 0 blocks
total heap usage: 636 allocs, 636 frees, 25,393 bytes allocated
All heap blocks were freed -- no leaks are possible
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
ERROR SUMMARY: 0 error...
Get exit code of a background process
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130
1: In bash, $! holds the PID of the last background process that was executed. That will tell y...