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Copy files from one directory into an existing directory
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@CiroSantilli六四事件法轮功包卓轩 If you copy a directory, cp will create a directory and copy all the files into it. If you use the pretend folder called ".", which is the same as the directory holding it, the copy behaves this way. Let's say t1 contains a ...
Is it ok to use dashes in Python files when trying to import them?
...ave short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, although the use of underscores is discouraged.
Since module names are mapped to file names, and some file systems are case insensitive ...
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
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Use either COUNT(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that.
In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely does what you want, and in those rare cases is equivalent to count(*)...
Update relationships when saving changes of EF4 POCO objects
...se context.ObjectStateManager.ChangeObjectState to set your BlogPost to Modified
Iterate through Tag collection
Use context.ObjectStateManager.ChangeRelationshipState to set state for relation between current Tag and BlogPost.
SaveChanges
Edit:
I guess one of my comments gave you false hope that ...
How to get the anchor from the URL using jQuery?
...ar hash = url.substring(url.indexOf("#")+1);
You can give it a try here, if it may not have a # in it, do an if(url.indexOf("#") != -1) check like this:
var url = "www.aaa.com/task1/1.3.html#a_1", idx = url.indexOf("#");
var hash = idx != -1 ? url.substring(idx+1) : "";
If this is the current...
Elevating process privilege programmatically?
...follows:
startInfo.Verb = "runas";
This will cause Windows to behave as if the process has been started from Explorer with the "Run as Administrator" menu command.
This does mean the UAC prompt will come up and will need to be acknowledged by the user: if this is undesirable (for example because...
How to pass the value of a variable to the stdin of a command?
... temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task?
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How to bundle a native library and a JNI library inside a JAR?
...the expense, however, that all platforms might not be supported as the specific library for a platform might not be included in the single JAR file.
The process is as follows:
include the native JNI libraries in the JAR file at a location specific to the platform, for example at NATIVE/${os.arch}...
Converting XML to JSON using Python?
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@Martin Blech If I create a json file from my django models file. How can I map my xml file to convert the xml to json for the required fields?
– sayth
May 14 '14 at 8:02
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What exactly does the Access-Control-Allow-Credentials header do?
... default, CORS does not include cookies on cross-origin requests. This is different from other cross-origin techniques such as JSON-P. JSON-P always includes cookies with the request, and this behavior can lead to a class of vulnerabilities called cross-site request forgery, or CSRF.
In order to re...