.iloc uses integers to read and write data to a DataFrame.
First, let's create a DataFrame:
df = pd.DataFrame({'one': [1, 2, 3, 4, 5],
'two': [6, 7, 8, 9, 10],
}, index=['a', 'b', 'c', 'd', 'e'])
This DataFrame looks like:
one two
a 1 6
b 2 ...
Command Structure is
sqlcmd -S yourservername\instancename -d database_name -o outputfilename_withpath -Q "your select query"
Switches are as follows
-S for servername and instance name
-d for source database
-o for target outputfile (it will create output file)
-Q fo...
When nothing matches a wildcard such as * in bash, it gets passed on as a literal * to the command, as if you had typed \*. However, zsh throws an error.
Bash:
duncan@K7DXS-Laptop-Arch:~/test$ echo *.txt
*.txt
duncan@K7DXS-Laptop-Arch:~/test$ touch abc.txt
duncan@K7DXS-Laptop-Arch:~/test$ echo...
For BLE slave devices to do any useful work, the GPIOs of the wireless MCU are almost always involved. For instance, to read temperature from an external sensor, the ADC functionality of GPIO pins may be required. TI's CC2640 MCU features a maximum of 31 GPIOs, given different packaging types.
In t...
Cordova plugins are in simple words a layer on top of the respective native platform.
Plugins provide an interface between to access the native platform.
Cordova Plugins provide a common interface to interact with the native code.
Each plugin has an intermediary JavaScript file that provides access to platform specific features.
cordova plugin add <plugin-name>
Example: cordova plugin add cordova-plugin-camera
The plugin should be installed in the root directory of the project.
Note:
Before adding the plugin replace the platform specific www folder
content with the outer www folder in the root directory. Th...
cordova-plugin-battery-status - used for monitoring device's battery status.
cordova-plugin-camera - provides an API for taking pictures and for choosing images from the system's image library.
cordova-plugin-contacts - provides access to the device contacts database.
cordova-plug...
It crops the images in square shape.
This cordova project uses two plugins:
Cordova Camera Plugin -- https://github.com/apache/cordova-plugin-camera
Cordova Crop Image Plugin -- https://github.com/jeduan/cordova-plugin-crop
The Camera plugin is combined with the Crop Image Plugin by ...
Pygame has a module, pygame.draw, that contains functions which can draw shapes directly to a Surface.
FunctionDescriptionpygame.draw.rectdraw a rectangle shapepygame.draw.polygondraw a shape with any number of sidespygame.draw.circledraw a circle around a pointpygame.draw.ellipsedraw a round shape...
This example implements a custom binding that toggles visibility (similar to the existing visible binding), but will utilize jQuery's fading API to animate the transition from visible to invisible.
Custom binding definition:
//Add a custom binding called "fadeVisible" by adding it as a p...
This example is a custom binding that replaces text whenever an input value is updated. In this case, spaces will be replaced with "+". It is intended to be used alongside the existing value binding, and shows binding with an object literal.
Sample markup with the replaceText binding:
&l...
Using the IntDef#flag() attribute set to true, multiple constants can be combined.
Using the same example in this topic:
public abstract class Car {
//Define the list of accepted constants
@IntDef(flag=true, value={MICROCAR, CONVERTIBLE, SUPERCAR, MINIVAN, SUV})
//Tell the compi...
Create a script to start celery worker. Insert your script within your app. For example: stack/bin/celery_worker_start
#!/bin/bash
NAME="StackOverflow Project - celery_worker_start"
PROJECT_DIR=/home/stackoverflow/apps/proj/proj/
ENV_DIR=/home/stackoverflow/apps/proj/env/...
.loc uses labels to read and write data.
Let's setup a DataFrame:
df = pd.DataFrame({'one': [1, 2, 3, 4, 5],
'two': [6, 7, 8, 9, 10],
}, index=['a', 'b', 'c', 'd', 'e'])
Then we can print the DataFrame to have a look at the shape:
print df
This will o...
Given an interface:
public interface Logger {
void log(String message);
}
Rather than usage:
public void doJob(Logger logger) {
if (logger != null) {
logger.log("[doJob]:Step 1");
}
// ...
if (logger != null) {
logger.log("[doJob]:Step 2&q...
This function gets existing item form cache, and if the item don't exist in cache, it will fetch item based on the valueFetchFactory function.
public static TValue GetExistingOrAdd<TValue>(string key, double minutesForExpiration, Func<TValue> valueFetchFactory)
{
...
A common pattern in other languages is having a function that produces a "stream" of objects, and being able to use loop-code to loop over it.
We can model this in C++ as
template<class T>
struct generator_iterator {
using difference_type=std::ptrdiff_t;
using value_type=T;
...
