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Show a popup/message box from a Windows batch file
...cscript MessageBox.vbs "This will be shown in a popup."
MsgBox reference if you are interested in going this route.
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Is onload equal to readyState==4 in XMLHttpRequest?
... confuse about the xhr return event, as I can tell, there are not so much different between onreadystatechange --> readyState == 4 and onload, is it true?
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How do you configure an OpenFileDialog to select folders?
...penFileOrFolder dialog that allows you to open either a folder or a file.
If you set its AcceptFiles value to false, then it operates in only accept folder mode.
You can download the source from GitHub here
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list.clear() vs list = new ArrayList(); [duplicate]
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It's hard to know without a benchmark, but if you have lots of items in your ArrayList and the average size is lower, it might be faster to make a new ArrayList.
http://www.docjar.com/html/api/java/util/ArrayList.java.html
public void clear() {
modCount++;
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How do I use CSS in Django?
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If you're using the development server follow the django project's how-to guide for managing static files to setup your URL's, then reference you media files in the template -- say, an image inside an image folder from /site_...
Extract file name from path, no matter what the os/path format
....path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (which is equiv...
Using CSS to affect div style inside iframe
Is it possible to change styles of a div that resides inside an iframe on the page using CSS only?
13 Answers
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Copy a table from one database to another in Postgres
...get database:
pg_dump -t table_to_copy source_db | psql target_db
Note: If the other database already has the table set up, you should use the -a flag to import data only, else you may see weird errors like "Out of memory":
pg_dump -a -t my_table my_db | psql target_db
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What is the C# equivalent of friend? [duplicate]
...visible, for example. And the internal members are only visible to the specified assembly - it's not like it's just making everything public. I far prefer using this over reflection, which isn't refactoring-friendly or compile-time-checking-friendly.
– Jon Skeet
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Difference between CC, gcc and g++?
What are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
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