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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
... title of previous screen)
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back_arrow.png"]
style:UIBarButtonItemStyleBordered
targe...
Reactjs: Unexpected token '
...
The issue Unexpected token '<' is because of missing the babel preset.
Solution : You have to configure your webpack configuration as follows
{
test : /\.jsx?$/,
exclude: /(node_modules|bower_components)/,
loader : 'babel',
query ...
How do I wrap text in a UITableViewCell without a custom cell
...entifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
cell.textLabel.lineBreakMode = UILineBreakModeWordWrap;
cell.textLabel.numberOfLines = 0;
cell.textLabel.font = [UIFon...
What function is to replace a substring from a string in C?
..., rep); ++count) {
ins = tmp + len_rep;
}
tmp = result = malloc(strlen(orig) + (len_with - len_rep) * count + 1);
if (!result)
return NULL;
// first time through the loop, all the variable are set correctly
// from here on,
// tmp points to the end of th...
Efficiency of premature return in a function
...letely disregarded.
If the simple example above is extended with resource allocation, and then error checking with a potential resulting freeing of resources, the picture might change.
Consider the naive approach beginners might take:
int func(..some parameters...) {
res_a a = allocate_resource...
Make first letter of a string upper case (with maximum performance)
...lternative char.ToUpper(s[0]) + s.Substring(1), is that only one string is allocated, whereas the Substring approach allocates a string for the substring, then a second string to compose the final result.
EDIT: Here is what this approach looks like, combined with the initial test from CarlosMuño...
What are fixtures in programming?
...tate a method with @org.junit.After to release any permanent resources you allocated in setUp
For example, to write several test cases that want to work with different combinations of 12 Swiss Francs, 14 Swiss Francs, and 28 US Dollars, first create a fixture:
public class MoneyTest {
private M...
Read file line by line using ifstream in C++
...ard methods are:
Assume that every line consists of two numbers and read token by token:
int a, b;
while (infile >> a >> b)
{
// process pair (a,b)
}
Line-based parsing, using string streams:
#include <sstream>
#include <string>
std::string line;
while (std::getline...
Cross Domain Form POSTing
...eby preventing javascript to update document with forms that have security tokens from other url).
– Mohsenme
May 7 '15 at 22:46
|
show 1 mo...
Convert NSData to String?
...oding:(NSStringEncoding)encoding
Example:
NSString *myString = [[NSString alloc] initWithData:myData encoding:NSUTF8StringEncoding];
Remark: Please notice the NSData value must be valid for the encoding specified (UTF-8 in the example above), otherwise nil will be returned:
Returns nil if the ini...