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Is there a “not equal” operator in Python?
...een happens.
if hi == "hi": # The variable hi is being compared to the string "hi", strings are immutable in Python, so you could use the 'is' operator.
print "hi" # If indeed it is the string "hi" then print "hi"
else: # hi and "hi" are not the same
print "no hi"
The ...
What is the purpose of XORing a register with itself? [duplicate]
... of buffer overflows, etc. Why avoid the 0 ? Well, 0 represents the end of string in c/c++ and the shell code would be truncated if the mean of exploitation is a string processing function or the like.
Btw im referring to the original question: "Any reason to do a “xor eax, eax”?" not what the ...
SSH Key - Still asking for password and passphrase
...SSH authentication and thought I set it up. Is the ssh-agent something outside of git I need to install? Thanks
– HelloWorld
Jan 13 '14 at 15:50
2
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Storing R.drawable IDs in XML array
I would like to store drawable resources' ID in the form of R.drawable.* inside an array using an XML values file, and then retrieve the array in my activity.
...
django order_by query set, ascending and descending
...
Reserved.objects.filter(client=client_id).order_by('-check_in')
Notice the - before check_in.
Django Documentation
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Code First: Independent associations vs. Foreign key associations?
...will definitely use Entity reference:
public class Order
{
public int ID { get; set; }
public Customer Customer { get; set; } // <-- Customer object
...
}
Once you generate an entity model from a database with FKs it will always generate entity references. If you don't want to use ...
Java: how can I split an ArrayList in multiple small ArrayLists?
... + chunkSize));
}
return chunkList;
}
Eg :
List<Integer> stringList = new ArrayList<>();
stringList.add(0);
stringList.add(1);
stringList.add(2);
stringList.add(3);
stringList.add(4);
stringList.add(5);
stringList.add(6);
stringList.add(7);
stringList.add(8);
stringList.add(9...
What is the difference between pluck and collect in Rails?
...particular field. See this.
When you do:
User.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Ra...
Google Sheets API Setup · App Inventor 2 中文网
...nt
3. Record Relevant Information
The Spreadsheet ID
The Sheet Name
The Grid ID
Note: If you are only going to read from the Google Sheets document, and not
edit or write data to the document, you can skip the process of making a...
Wait until file is unlocked in .NET
...;
/// <param name="fullPath"></param>
bool WaitForFile(string fullPath)
{
int numTries = 0;
while (true)
{
++numTries;
try
{
// Attempt to open the file exclusively.
using (FileStream ...