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Append a NumPy array to a NumPy array
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Well, the error message says it all: NumPy arrays do not have an append() method. There's a free function numpy.append() however:
numpy.append(M, a)
This will create a new array instead of mutating M in place. Note that using numpy.append() involves c...
What is the _snowman param in Ruby on Rails 3 forms for?
...net Explorer (5, 6, 7 and 8) to encode its parameters as unicode.
Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out this google search. Once the user has put the web-sit...
What are the special dollar sign shell variables?
... $3, ... are the positional parameters.
"$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional parameters.
$- current options set for the shell.
$$ pid of the current shell (...
How to upgrade Eclipse for Java EE Developers?
Is there any non-painful way to upgrade an Eclipse installation? I have tried browsing the eclipse site but I cannot find an useful description.
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Why does ContentResolver.requestSync not trigger a sync?
...n I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from my ContentProvider, my sync is never triggered.
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Two inline-block, width 50% elements wrap to second line [duplicate]
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@PhilRicketts does this method not allow you to set a fixed height on the container? I tried and it does not work nor with the children.
– Jarg7
Jun 22 '16 at 7:04
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How can I use MS Visual Studio for Android Development?
...; System > Advanced > Environment Variables)
ANDROID_HOME = <install_path>\android-sdk
ANDROID_NDK_ROOT = <install_path>\android-ndk
ANT_HOME = <install_path>\apache-ant
JAVA_HOME = <install_path>\jdk
_JAVA_OPTIONS = -Xms256m -Xmx512m
Download examples from here....
OSX - How to auto Close Terminal window after the “exit” command executed.
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You can also select all the profiles, and make the change to all at once.
– user2191247
Jun 8 '18 at 14:34
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Repairing Postgresql after upgrading to OSX 10.7 Lion
I recently upgraded to OSX 10.7, at which point my rails installation completely borked when trying to connect to the psql server. When I do it from the command line using
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getting the last item in a javascript object
...f you create an associative array in JS using the array markers [] it is really an object. JS does not have associative arrays as such, arrays have indexed access and sequence; objects have associative property access, non-sequential.
– Orbling
Nov 30 '10 at 19...