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Set every cell in matrix to 0 if that row or column contains a 0
...t how I ensure I hit all the row's a cols,
* I progress through the matrix from (0,0) to (1,1) to (2,2) and on to (n,n).
*
* For simplicities sake, I use ints instead of individual bits. But I never store
* anything but 0 or 1 so it's still fair ;)
*/
// ================================
// Using gl...
Simple logical operators in Bash
...nd substitution: there is a command inside the parentheses, and the output from the command is used as part of the command line (after extra expansions unless the substitution is between double quotes, but that's another story).
{ … } braces are like parentheses in that they group commands, but t...
How to commit changes to a new branch
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since I got the new-branch from git checkout v3.0(the branch before I made changes) new-branch, Do I still require to use "git add <files>"?
– user1988385
Feb 1 '13 at 22:18
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String concatenation: concat() vs “+” operator
...to change when the next update is released, or if you use a different JVM. From @lukaseder, a list of HotSpot JVM intrinsics.
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Literal suffix for byte in .NET?
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So, we added binary literals in VB last fall and got similar feedback
from early testers. We did decide to add a suffix for byte for VB. We
settled on SB (for signed byte) and UB (for unsigned byte). The reason
it's not just B and SB is two-fold.
One, the B suffix is ambiguous if you'...
How to catch curl errors in PHP
I am using PHP curl functions to post data to the web server from my local machine. My code is as follows:
5 Answers
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SQLite Reset Primary Key Field
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Try this:
delete from your_table;
delete from sqlite_sequence where name='your_table';
SQLite Autoincrement
SQLite keeps track of the largest
ROWID that a table has ever held using
the special SQLITE_SEQUENCE table. The
SQLITE...
Is it good practice to NULL a pointer after deleting it?
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Setting a pointer to 0 (which is "null" in standard C++, the NULL define from C is somewhat different) avoids crashes on double deletes.
Consider the following:
Foo* foo = 0; // Sets the pointer to 0 (C++ NULL)
delete foo; // Won't do anything
Whereas:
Foo* foo = new Foo();
delete foo; // Del...
Control the dashed border stroke length and distance between strokes
...value is 2:
border-image-slice: 2;
The slices look like this, 2 pixels from the top, right, bottom and left:
Define the border-image-repeat:
In this example, we want the pattern to repeat itself evenly around our div. So we choose:
border-image-repeat: round;
Writing shorthand
The proper...
Can I use Objective-C blocks as properties?
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WorkingwithBlocks.html from Apple "You should specify copy as the property attribute, because..."
– Fattie
Nov 15 '16 at 22:43
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