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How to profile a bash shell script slow startup?
... do better -- using \D{...} in PS4 allows completely arbitrary time format strings to be expanded without the performance overhead of launching date as a subprocess.
– Charles Duffy
Jul 18 '13 at 21:35
...
Django template tag to truncate text
...mplate filter, that add "..." to the end of (last word of) the (truncated) string as well:
from django import template
register = template.Library()
@register.filter("truncate_chars")
def truncate_chars(value, max_length):
if len(value) > max_length:
truncd_val = value[:max_length]
...
Tetris-ing an array
...
Write a function longest_common_prefix that takes two strings as input. Then apply it to the strings in any order to reduce them to their common prefix. Since it is associative and commutative the order doesn't matter for the result.
This is the same as for other binary operati...
Should arrays be used in C++?
..." },
// ...
};
This is often preferable to using a vector (and std::string), since it
avoids all order of initialization issues; the data is pre-loaded,
before any actual code can be executed.
Finally, related to the above, the compiler can calculate the actual
size of the array from the init...
How do I escape a single quote in SQL Server?
...ative is using double quote characters, instead of single ones, around the string. I.e.,
insert into my_table values("hi, my name's tim.");
share
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improve this answer
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fo...
Get/pick an image from Android's built-in Gallery app programmatically
...r own action
private static final int SELECT_PICTURE = 1;
private String selectedImagePath;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
findViewById(R.id.Button01)
.setOnCl...
How do you include additional files using VS2010 web deployment packages?
...try about this at Web Deployment Tool (MSDeploy) : Build Package including extra files or excluding specific files.
Here is the synopsis. After including files, I show how to exclude files as well.
Including Extra Files
Including extra files into the package is a bit harder but still no bigee if ...
How to create a new database after initally installing oracle database 11g Express Edition?
...s Connection Name, Username, and Password.
For security, the password characters that you type appear as
asterisks.
Near the Password field is the check box Save Password. By default, it
is deselected. Oracle recommends accepting the default.
In the New/Select Database Connection ...
Specifically, what's dangerous about casting the result of malloc?
...f. Here's an example code fragment for discussion purposes.
main()
{
char * c = (char *)malloc(2) ;
printf("%p", c) ;
}
Suppose that the returned heap pointer is something bigger than what is representable in an int, say 0xAB00000000.
If malloc is not prototyped to return a pointer, the ...
How do I write a short literal in C++?
...
@Ates Goral: All ints. Changing to short or char would presumably change the instruction to movw or movb across the board.
– Mike F
Oct 16 '08 at 18:11
...