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Unique (non-repeating) random numbers in O(1)?
I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?
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Detect a finger swipe through JavaScript on the iPhone and Android
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Simple vanilla JS code sample:
document.addEventListener('touchstart', handleTouchStart, false);
document.addEventListener('touchmove', handleTouchMove, false);
var xDown = null;
var yDown = null;
function getTouches(evt) {
retur...
How do you do a deep copy of an object in .NET? [duplicate]
...nto serialization graph, since BinaryFormatter uses fields via reflection, and events are just fields of delegate types plus add/remove/invoke methods. You can use [field: NonSerialized] on event to avoid this.
– Ilya Ryzhenkov
Sep 24 '08 at 20:16
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How do I set a variable to the output of a command in Bash?
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In addition to backticks `command`, command substitution can be done with $(command) or "$(command)", which I find easier to read, and allows for nesting.
OUTPUT=$(ls -1)
echo "${OUTPUT}"
MULTILINE=$(ls \
-1)
echo "${MULTILINE}"
Quoting (") does ma...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
Why were 181783497276652981 and 8682522807148012 chosen in Random.java ?
3 Answers
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How did Google manage to do this? Slide ActionBar in Android application
...e hierachyviewer! (Located in the tools directory)
There's the DecorView, and a LinearLayout as a child. This LinearLayout contains both the ActionBar and the other content. So, you can simply apply some FrameLayout.LayoutParams to this LinearLayout and get some space on the left side this way. The...
Is there anyway to exclude artifacts inherited from a parent POM?
... ideas:
Maybe you could simply not inherit from the parent in that case (and declare a dependency on base with the exclusion). Not handy if you have lot of stuff in the parent pom.
Another thing to test would be to declare the mail artifact with the version required by ALL-DEPS under the dependenc...
dyld: Library not loaded … Reason: Image not found
...libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0)
and for each libboost_xxx.dylib, do:
$ install_name_tool -change @executable_path/libboost_something.dylib /opt/local/lib/libboost_something.dylib exefile
and finally verify using otool again:
$ otool -L exefile
exefile:
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python setup.py uninstall
...setup.py install use pip install .
You need to remove all files manually, and also undo any other stuff that installation did manually.
If you don't know the list of all files, you can reinstall it with the --record option, and take a look at the list this produces.
To record a list of installed ...
Capturing Groups From a Grep RegEx
..._[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name="${name}.jpg" # same thing stored in a variable
else
echo "$f doesn't...