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iOS Equivalent For Android Shared Preferences
...:
NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
NSString *currentLevelKey = @"currentlevel";
if ([preferences objectForKey:currentLevelKey] == nil)
{
// Doesn't exist.
}
else
{
// Get current level
const NSInteger currentLevel = [preferences integerForKey:curr...
Remove non-numeric characters (except periods and commas) from a string
...non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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Difference between EXISTS and IN in SQL?
...turns purely Boolean values, which is always faster than having to compare strings or values larger than a BIT/Boolean type. IN may or may not be a Boolean comparison. Since programming prefers EXPLICIT usage for stability (part of ACID), EXISTS is preferred generally.
– clift...
Using Spring MVC Test to unit test multipart POST request
...eUpload is deprecated, you'll want to use MockMvcRequestBuilders#multipart(String, Object...) which returns a MockMultipartHttpServletRequestBuilder. Then chain a bunch of file(MockMultipartFile) calls.
Here's a working example. Given a @Controller
@Controller
public class NewController {
@Re...
PUT vs. POST in REST
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@Schneider, in this case your server is making an extra effort to guarantee idempotence, but it is not advertising it. Browsers will still warn the user if they try to reload such a POST request.
– Tobu
Jan 6 '12 at 10:53
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Difference between final static and static final
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private static final String API_RTN_ERROR= "1";
private final static String API_RTN_ERROR= "1";
static private final String API_RTN_ERROR= "1";
static final private String API_RTN_ERROR= "1";
final static private String API_RTN_ERROR= "1";
final ...
Split string based on a regular expression
...bular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inserted between every element:
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How to conditionally push an item in an observable array?
... what issue are you having === ? Do you have a sample? Are you comparing strings to numbers or something?
– RP Niemeyer
Aug 20 '13 at 13:14
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Ruby replace string with captured regex pattern
...only seem to be interested in the capture group, note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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MYSQL Dump only certain rows
...quotes. This is a shell command, so you need to write shell syntax for the string date_pulled='2011-05-23'. That means you need to quote or escape the single quote characters, so they're included in the string rather than being interpreted as quotes in the shell syntax. Adding double quotes around t...