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How to check if a string contains only digits in Java [duplicate]
...se this method to check if my string is having only digits using regular expression. I tried with below examples, but both of them returned me false as result.
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How can I delete a service in Windows?
I have a couple old services that I want to completely uninstall. How can I do this?
13 Answers
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Is there a good Valgrind substitute for Windows?
I was looking into Valgrind to help improve my C coding/debugging when I discovered it is only for Linux - I have no other need or interest in moving my OS to Linux so I was wondering if there is a equally good program for Windows.
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How do I choose between Tesseract and OpenCV? [closed]
I recently came across Tesseract and OpenCV . It looks like Tesseract is a full-fledged OCR engine and OpenCV can be used as a framework to create an OCR application/service.
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How can I get the DateTime for the start of the week?
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Use an extension method. They're the answer to everything, you know! ;)
public static class DateTimeExtensions
{
public static DateTime StartOfWeek(this DateTime dt, DayOfWeek startOfWeek)
{
int diff = (7 + (dt.DayOfWeek - startOfWeek)) % 7;
return dt.AddDays(-1 * diff).Da...
Removing white space around a saved image in matplotlib
I need to take an image and save it after some process. The figure looks fine when I display it, but after saving the figure, I got some white space around the saved image. I have tried the 'tight' option for savefig method, did not work either. The code:
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How to get current relative directory of your Makefile?
I have a several Makefiles in app specific directories like this:
12 Answers
12
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
I am implementing Google Cloud Messaging in my application. Server code is not ready yet and in my environment due to some firewall restrictions I can not deploy a test sever for push notification. What I am looking for is a online server which would send some test notifications to my device to test...
How can I get the current page name in WordPress?
What PHP code can be used to retrieve the current page name in a WordPress theme?
19 Answers
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Profiling Vim startup time
I’ve got a lot of plugins enabled when using Vim – I have collected plugins over the years. I’m a bit fed up with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
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