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Fastest way to determine if record exists
...I'm not sure if an Index exists on this field, and my newbish SQL doesn't know how to find out. I am working with this DB from Java via JDBC and the database is remotely located in a colo somewhere. I've only been provided a "database summary" which just details which fields exist in each table, the...
JavaScript module pattern with example [closed]
...on expression.
Here are using function expression.
What is namespace?
Now if we add the namespace to the above piece of code then
var anoyn = (function() {
}());
What is closure in JS?
It means if we declare any function with any variable scope/inside another function (in JS we can declare...
How to import existing Git repository into another?
... mentioned merging it into master, but didn't actually show it. Editing it now...
– ebneter
Feb 28 '13 at 2:26
2
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How do I run a Java program from the command line on Windows?
... saved your file as A.text first thing you should do is save it as A.java. Now it is a Java file.
Now you need to open cmd and set path to you A.java file before compile it. you can refer this for that.
Then you can compile your file using command
javac A.java
Then run it using
java A
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How do you make a HTTP request with C++?
...
Update 2020: I have a new answer that replaces this, now 8-years-old, one: https://stackoverflow.com/a/61177330/278976
On Linux, I tried cpp-netlib, libcurl, curlpp, urdl, boost::asio and considered Qt (but turned it down based on the license). All of these were either incompl...
How to use PyCharm to debug Scrapy projects
...a good Python debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
10 Answers
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Benefits of inline functions in C++?
...1.019s 5:52.31 99.1% 0+0k 0+0io 0pf+0w This is a good example were common knowledge is wrong.
– Martin York
Sep 28 '08 at 20:38
36
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Remove all classes that begin with a certain string
...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
Writing string to a file on a new line every time
... i am using f.writelines(str(x)) to write into a file where x is list to now tell how to write a list x into a file coping each list starting at new line
– kaushik
May 27 '10 at 4:47
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Starting python debugger automatically on error
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@PiotrDobrogost Good point. I think it's more helpful to know that you can pass a tb object in, though, as it better demonstrates the API. Good to know both options exist.
– davidA
Dec 18 '16 at 23:35
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