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Creating JS object with Object.create(null)?
...nt. {}.constructor.prototype == Object.prototype while Object.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null).
{}...
What is the difference between ui-bootstrap-tpls.min.js and ui-bootstrap.min.js?
...t Error (<anonymous>)
at http://localhost:8989/hello-world/js/vendor/angular-1.2.0-rc.3/angular.min.js:6:453
at http://localhost:8989/hello-world/js/vendor/angular-1.2.0-rc.3/angular.min.js:54:14
at http://localhost:8989/hello-world/js/vendor/angular-1.2.0-rc.3/angular.min.js:64:43...
How can I use swift in Terminal?
...
sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer
then you can do one of these:
xcrun swift
lldb --repl
As of Xcode 6.1 - typing swift in the terminal launches the REPL as well.
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Purpose of buildscript block in Gradle
I am new to Gradle and I am reading the documentation but I don't understand some parts of it. One of these parts is connected with buildscript block. What is its purpose?
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AI2 SideBar Extension
...-06-19) Exception at FontTypeface == default removed. Contents Download Usage Pixel vs. DIP Detect Swiping SideBar Structure SideBar Items Openening and Closing Reference Properties Functions Events Example SideBarTest Tools Download The UrsAI2SideBar ZIP archive for downlo...
Run a task every x-minutes with Windows Task Scheduler [closed]
I'm trying to get Windows Task Scheduler to run a particular .exe every 10 minutes or so, but the options only allow for once a day execution.
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Android SDK installation doesn't find JDK
I'm trying to install the Android SDK on my Windows 7 x64 System.
45 Answers
45
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Extract subset of key-value pairs from Python dictionary object?
...ents, if you want a key that's missing in bigdict to map to None, you can do:
{k: bigdict.get(k, None) for k in ('l', 'm', 'n')}
If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set opera...
How to remove the first commit in git?
.... Its also too bad that most hits on google more or less say "you can't undo the first commit". This did the trick for me. Thanks!
– danielpops
Apr 27 '16 at 20:25
1
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How to test an SQL Update statement before running it?
...nsaction as Imad has said (which should be mandatory anyway) you can also do a sanity check which rows are affected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you whi...