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How to change time and timezone in iPhone simulator?
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216
I'm guessing it uses your system timezone, so changing the TZ in System Preferences would prob...
Lightweight Java Object cache API [closed]
...les.
CacheManager cacheManager = CacheManager.getInstance();
int oneDay = 24 * 60 * 60;
Cache memoryOnlyCache = new Cache("name", 200, false, false, oneDay, oneDay);
cacheManager.addCache(memoryOnlyCache);
Creates a cache that will hold 200 elements, and has a ttl of 24 hours.
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Add a column to a table, if it does not already exist
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222
You can use a similar construct by using the sys.columns table io sys.objects.
IF NOT EXISTS ...
How to generate serial version UID in Intellij
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Without any plugins:
You just need to enable highlight: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings)
File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set...
Why do we need argc while there is always a null at the end of argv?
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Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If they are declared, the parameters to the main function shall obey
the following constraints:
The value of argc shall be nonnegative.
argv[argc] shall be a null
pointer.
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How do you upload images to a gist?
... approach, thanks.
– FoxDeploy
Jan 12 '19 at 4:22
2
Very nice. The file extension of the gist mak...
How do I view 'git diff' output with my preferred diff tool/ viewer?
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26 Answers
26
Active
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Converting an integer to a hexadecimal string in Ruby
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327
You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum...
Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
I just installed vs 2010, followed by IIS in window 7. when building a website in .net framework 4.0 and convert this into application in IIS then its shows this error
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