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replace String with another in java
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Try this:
https://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html#replace%28java.lang.CharSequence,%20java.lang.CharSequence%29
String a = "HelloBrother How are you!";
String r = a.replace("HelloBrother","Brother");
System.out.println(r);
This would print out "...
Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...
...取Linux服务器的最高控制权限。glibc是Linux系统中最底层的API，几乎其它任何运行库都会依赖于glibc。glibc除了封装Linux操作系统所提供的系统服务外，它本身也提供了许多其它一些必要功能服务的实现。
什么是glibc
glibc是GNU发...
Gradle: How to Display Test Results in the Console in Real Time?
...ine? EDIT: got it - just add it to the modules's gradle.config and run normally
– hardysim
Nov 26 '16 at 19:38
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Best Practice for Forcing Garbage Collection in C#
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According to MSDN:
"It is possible to force garbage
collection by calling Collect, but
most of the time, this should be
avoided because it may create
performance issues. "
However, if you can reliably test your code to confirm that calling Collect() won't have a negative impact then ...
How should I unit test threaded code?
...ads acting upon it, and you can't test situations where these threads step all over each other, then your design needs to be redone. Its both as simple and as complex as this.
There are many ways to program for multithreading that avoids threads running through instances at the same time. The sim...
What is the difference between Fragment and FragmentActivity?
...ent must always be embedded in an Activity.
Fragments are not part of the API prior to HoneyComb (3.0). If you want to use Fragments in an app targeting a platform version prior to HoneyComb, you need to add the Support Package to your project and use the FragmentActivity to hold your Fragments. Th...
How to overcome “datetime.datetime not JSON serializable”?
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Why did I go all my life not knowing this. :)
– Arel
May 3 '19 at 15:24
1
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How to trigger an event after using event.preventDefault()
...Instead of digging through the back-end form post code, you could write an API and then update your front-end code to hit that API first before allowing the form to do it's traditional POST.
To do that, you can implement code similar to what I've written here:
$('#signup_form').on('submit', funct...
How do you make a web application in Clojure? [closed]
... is Compojure: http://github.com/weavejester/compojure/tree/master
It's small but powerful, and has beautifully elegant syntax. (It uses Jetty under the hood, but it hides the Servlet API from you unless you want it, which won't be often). Go look at the README at that URL, then download a snapshot...
How do I choose between Tesseract and OpenCV? [closed]
...seract is an OCR engine. It's used, worked on and funded by Google specifically to read text from images, perform basic document segmentation and operate on specific image inputs (a single word, line, paragraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision libra...