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How to access the correct `this` inside a callback?
...ructor function
new foo(); // `this` will refer to an object that inherits from `foo.prototype`
To learn more about this, have a look at the MDN documentation.
How to refer to the correct this
Use arrow functions
ECMAScript 6 introduced arrow functions, which can be thought of as lambda functions....
Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
...ch. I would still go with babay's answer, but if you want to save yourself from writing two extra commands I guess this is the way to go.
– Erik B
Jul 8 '13 at 13:32
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Open Source Java Profilers [closed]
...d HProf. I find it useful to compare the results it provides with results from more fully features profilers.
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Add file extension to files with bash
...pulation. ` ${string%substring}` Deletes shortest match of $substring from back of $string.
– Jichao
Aug 28 '15 at 19:36
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Case-insensitive string comparison in C++ [closed]
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As far as I know from my own experimentation, this makes your new string type incompatible with std::string.
– Zan Lynx
Sep 26 '12 at 21:25
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Why does Dijkstra's algorithm use decrease-key?
... to enqueue into the priority queue and Td is the time required to dequeue from the priority queue.
In an implementation of Dijkstra's algorithm that supports decrease-key, the priority queue holding the nodes begins with n nodes in it and on each step of the algorithm removes one node. This means...
How to find serial number of Android device?
...VICE);
String uid = tManager.getDeviceId();
getSystemService is a method from the Activity class. getDeviceID() will return the MDN or MEID of the device depending on which radio the phone uses (GSM or CDMA).
Each device MUST return a unique value here (assuming it's a phone). This should wor...
Open a new tab in gnome-terminal using command line [closed]
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A bit more elaborate version (to use from another window):
#!/bin/bash
DELAY=3
TERM_PID=$(echo `ps -C gnome-terminal -o pid= | head -1`) # get first gnome-terminal's PID
WID=$(wmctrl -lp | awk -v pid=$TERM_PID '$3==pid{print $1;exit;}') # get window id
xdoto...
Suppressing deprecated warnings in Xcode
...ndy to be able to build for multiple SDKs and platforms. However, bouncing from 3.2 to 3.0 and even occasionally 2.x, I frequently get deprecated warnings involving methods that have changed or been superseded:
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What are MVP and MVC and what is the difference?
...the Presenter contains the UI business logic for the View. All invocations from the View delegate directly to the Presenter. The Presenter is also decoupled directly from the View and talks to it through an interface. This is to allow mocking of the View in a unit test. One common attribute of MVP i...