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How does a “stack overflow” occur and how do you prevent it?
...you might only have 256 bytes for the stack, and if each function takes up 32 bytes then you can only have function calls 8 deep - function 1 calls function 2 who calls function 3 who calls function 4 .... who calls function 8 who calls function 9, but function 9 overwrites memory outside the stack....
How does Duff's device work?
... // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// to be run three times.)
switch (count % 8) { // The remainder is 4 (20 modulo 8) so
// jump to the ca...
filtering NSArray into a new NSArray in Objective-C
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answered Sep 21 '08 at 5:43
lajoslajos
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How to Publish Web with msbuild?
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136
I got it mostly working without a custom msbuild script. Here are the relevant TeamCity build c...
Checking the equality of two slices
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163
You need to loop over each of the elements in the slice and test. Equality for slices is not def...
Vim: insert the same characters across multiple lines
...to the n in name.
Enter visual block mode (Ctrlv).
Press j three times (or 3j).
Press I (capital i).
Type in vendor_. Note: It will only update the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated.
Press Esc.
An uppercase I must be used rather than a...
How to run an application as “run as administrator” from the command prompt? [closed]
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3 Answers
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Cleanest way to build an SQL string in Java
...table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The other thing that can be done is to keep all queries in properties file. For example
in a queries.properties file can place the above query:
update_query=UPDATE user_table SET name=? WHERE id=...
Generate list of all possible permutations of a string
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35 Answers
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Reverting to a specific commit based on commit id with Git? [duplicate]
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583
Do you want to roll back your repo to that state? Or you just want your local repo to look like ...