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How do I copy an object in Java?
Consider the code below:
23 Answers
23
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Regular Expression to match only alphabetic characters
...l make sure that nothing but these alphabets will be matched.
Code:
preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m);
var_dump($m);
Output:
array(0) {
}
Test case is for OP's comment that he wants to match only if there are 1 or more alphabets present in the input. As you can see in the test case...
Send and receive messages through NSNotificationCenter in Objective-C?
...your view, don't forget to send it from the main thread by calling dispatch_async:
dispatch_async(dispatch_get_main_queue(),^{
[[NSNotificationCenter defaultCenter] postNotificationName:@"my_notification" object:nil];
});
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How to spyOn a value property (rather than a method) with Jasmine
... is just what they were asking and their very same question code snippet ¯_(ツ)_/¯ The point of their question was how to spy on a property and not so much their specific example.
– Juan
Apr 3 at 23:34
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Bash command to sum a column of numbers [duplicate]
...0s
user 2m26.230s
sys 0m0.660s
bash-2.03$ time perl -nle'
$s += $_; END { print $s }
' infile
1.249999925e+15
real 1m34.663s
user 1m33.710s
sys 0m0.650s
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How to get the build/version number of your Android application?
...cation's version this is two compicated. You should use BuildConfig.VERSION_** as suggested here.
– Timo Bähr
Jun 20 '16 at 12:23
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IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration d
I want to upload my own asp.net website on IIS with IIS Manager. But when I do this, I get the following error
45 Answers...
warning: incompatible implicit declaration of built-in function ‘xyz’
...an page says this function is a GNU extension and synopsis shows:
#define _GNU_SOURCE
#include <string.h>
When #define is added to my source before the #include, declarations for the GNU extensions are made visible and warnings disappear.
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What does middleware and app.use actually mean in Expressjs?
Almost every Express app I see has an app.use statement for middleware but I haven't found a clear, concise explanation of what middleware actually is and what the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please?
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How to escape single quotes in MySQL
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You might want to update your post to include mysql_real_escape_string() or addslashes() as possible solutions... as in one of the comments below, the OP states that they're just reading from file and inserting.
– James B
May 20 '09 at 9...