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Gson ignoring map entries with value=null
...is implemented in Gson is that null object fields are ignored. This allows for a more compact output format; however, the client must define a default value for these fields as the JSON format is converted back into its Java form.
Here's how you would configure a Gson instance to output null:
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What's a quick way to test to see a file exists?
...o see if a file exists in my iPhone app's Documents directory (or any path for that matter). I can enumerate through the directory's files, or I can try to open a specific file. What's the fastest way? I just need to know if the file is there or if it does not exist.
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Excel VBA - exit for loop
I would like to exit my for loop when a condition inside is met. How could I exit my for loop when the if condition has been met? I think some kind of exit at the end of my if statement, but don't know how that would work.
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Android - How To Override the “Back” button so it doesn't Finish() my Activity?
... plan on having a service run in the background, make sure to look at startForeground() and make sure to have an ongoing notification or else Android will kill your service if it needs to free memory.
@Override
public void onBackPressed() {
Log.d("CDA", "onBackPressed Called");
Intent setInte...
Difference between freeze and seal
...he value of obj.el could be modified, e.g. obj.el.id can be changed.
Performance:
Sealing or freezing an object may affect its enumeration speed, depending on the browser:
Firefox: enumeration performance is not impacted
IE: enumeration performance impact is negligible
Chrome: enumeration perf...
Eclipse: quick search on filename
...y often while working in Eclipse I realize that I remember class name, but forgot in which package this class is. Using Search is not very convenient. Too many clicks and key presses. I wonder, is there a plugin to simplify this process? For example, would be great if there was text-edit box in the ...
PHP sprintf escaping %
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It is very easy.
Put another % in front of the original % to escape it.
For example,
$num=23;
printf("%%d of 23 = %d",$num);
Output:
%d of 23 = 23
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jQuery show for 5 seconds then hide
I'm using .show to display a hidden message after a successful form submit.
3 Answers
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Maximum MIMEType Length when storing type in DB
...characters, implementation limits may make such long names
problematic. For this reason, <type-name> and <subtype-name> SHOULD
be limited to 64 characters.
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Is there any git hook for pull?
I need to perform some actions (prepare gettext *.mo message files) on my project everytime I run git pull . Is there any suitable git hook, which I could use for this purpose please?
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