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Any way to replace characters on Swift String?
I am looking for a way to replace characters in a Swift String .
21 Answers
21
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Difference between dispatch_async and dispatch_sync on serial queue?
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Yes. Using serial queue ensure the serial execution of tasks. The only difference is that dispatch_sync only return after the block is finished whereas dispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
print...
hash function for string
...e as safe as you think--for example, IEEE floating point numbers have two different bit patterns (0 and -0) that should produce the same hashes (they'll compare as equal to each other).
– Jerry Coffin
Jul 15 '15 at 22:02
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Android OpenGL ES and 2D
...e it as an initializer parameter
{
/*many thanks to sprite method test if this works*/
if ( gl == null )
{
Log.e(TAG, "Failed to load resource. Context/GL is NULL");
return false;
}
int error;
int textureName = -1;
gl.glGenTextures(1, texture, 0);
te...
How to display Base64 images in HTML?
...SuGq1uTrfUgMEp9EJ+CQvr+BJ/AAKvAcCiAR+bf9CjAAluzmdX4AEIIAAAAASUVORK5CYII=
Now it's simple to use.
You have to just put it in the src of the image and define there as it is in base64 encoded form.
Example:
<img src="data:image/jpeg;base64,iVBORw0KGgoAAAANSUhEUgAAABkAAAAZCAYAAADE6YVjAAAAGXRFWHR...
Generating a drop down list of timezones with PHP
...eported a bug for the same error as Xeoncross and was wondering if anyone knows how this is possible? The manual seems to indicate that these constants are available since PHP5.2 but is this incorrect?
– brendo
Apr 8 '11 at 1:20
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java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...re static methods. It would take the same amount of effort to type either. If you like Python, why are you programming in Java? Is it because more people use Java than Python and you got a Java job instead of Python job?
– stepanian
Feb 27 '12 at 9:07
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If threads share the same PID, how can they be identified?
...hread's "PID"), and there's where gettid(2) comes in. This way I can tell, if we're in the main thread or not.
– Tomasz Gandor
Nov 21 '14 at 12:40
2
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Tablix: Repeat header rows on each page not working - Report Builder 3.0
...rows on each page but this does not work. I read somewhere that this is a known bug in Report Builder 3.0. Is this true? If not, is there something else that needs to be done?
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
I am wondering if anyone can give a "best practices" response to using blank HTML form actions to post back to the current page.
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