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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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How to get the last N records in mongodb?
...need to sort in ascending order.
Assuming you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will sort descending (newest to oldest.)
If you use the auto created _id field it has a date embedded in...
How to log request and response body with Retrofit-Android?
...T;
import retrofit2.http.Query;
import rx.Observable;
public interface APIService {
String ENDPOINT = "http://api.openweathermap.org";
String API_KEY = "2de143494c0b2xxxx0e0";
@GET("/data/2.5/weather?appid=" + API_KEY) Observable<WeatherPojo> getWeatherForLatLon(@Query("lat") double l...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
I've a timer object. I want it to be run every minute. Specifically, it should run a OnCallBack method and gets inactive while a OnCallBack method is running. Once a OnCallBack method finishes, it (a OnCallBack ) restarts a timer.
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How can I make SQL case sensitive string comparison on MySQL?
...y default. This means that if you search with col_name LIKE 'a%', you get all column values that start with A or a. To make this search case sensitive, make sure that one of the operands has a case sensitive or binary collation. For example, if you are comparing a column and a string that both have...
How to create Java gradle project
...ted to the gradle project. Then, how can I set the source folders automatically?
– verystrongjoe
May 15 '15 at 0:26
On...
Fast Linux File Count for a large number of files
...ke a while if there are a lot of them. Also there will be no output until all of the names are read and sorted. Use the ls -f option to turn off sorting.
ls -f | wc -l
Note that this will also enable -a, so ., .., and other files starting with . will be counted.
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How to apply a function to two columns of Pandas dataframe
Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function :
12 Answers
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How to reference a file for variables using Bash?
I want to call a settings file for a variable, how can I do this in bash?
9 Answers
9
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Create list of single item repeated N times
I want to create a series of lists, all of varying lengths. Each list will contain the same element e , repeated n times (where n = length of the list).
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