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How to verify if a file exists in a batch file?
...m\html\data.sql" /c /d /h /e /i /y "C:\myprogram\sync\"
I will explain what the /c /d /h /e /i /y means:
/C Continues copying even if errors occur.
/D:m-d-y Copies files changed on or after the specified date.
If no date is given, copies only those files whose
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Is the 'type' attribute necessary for tags?
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Regardless of what browsers currently do, you're much better off following the standard, for better interoperability and forward-compatibility.
– EricLaw
Nov 16 '10 at 14:54
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How can i use iptables on centos 7? [closed]
...port for httpd service, but something wrong with my iptables service ... what's wrong with it? What am I doing wrong?
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...ery and fill the data table with the data from the DB
string sql = "SELECT Whatever FROM MyDBTable;";
OleDbCommand cmd = new OleDbCommand(sql, con);
OleDbDataAdapter adptr = new OleDbDataAdapter();
adptr.SelectCommand = cmd;
adptr.Fill(dt);
con.Close();
//Add the table to the data set
ds.Tables.Ad...
Correct use of flush() in JPA/Hibernate
..., but I'm not quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing entity data.
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Does the APNS device token ever change, once created?
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Apple's official documentation is unclear on this point. What I have observed is this: the token is invariant for a given device, application, and domain (production vs. sandbox). I believe that this must remain true in order for the system to work reliably. Consider the situati...
Cross cutting concern example
What is a good example of a cross-cutting concern ? The medical record example on the wikipedia page seems incomplete to me.
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Does Java have a complete enum for HTTP response codes?
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@Donal: again, not a good list. What's relevant is the IANA registry.
– Julian Reschke
Jul 11 '13 at 17:12
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Adding Python Path on Windows 7
... LONG time. I added it to my path in every way I could think of but here's what finally worked for me:
Right click on "My computer"
Click "Properties"
Click "Advanced system settings" in the side panel
Click "Environment Variables"
Click the "New" below system variables
in name enter pythonexe (or...
Is there a CSS selector for the first direct child only?
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What you posted literally means "Find any divs that are inside of section divs and are the first child of their parent." The sub contains one tag that matches that description.
It is unclear to me whether you want both child...