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Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
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Android Studio doesn't see device
The AVD Manager in Android Studio doesn't show my device but adb devices does show it. Am I missing something obvious here?
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getViewTypeCount and getItemViewType methods of ArrayAdapter
Can somebody in plain words explain me the usage of getViewTypeCount() and getItemViewType() methods of ArrayAdapter ?
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Are global variables in PHP considered bad practice? If so, why?
...l way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; .
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What is the equivalent of the C# 'var' keyword in Java?
...possible in Java (all Types had names, even if they were extremely verbose and unweildy). I do not know if this has changed in the mean time.
var is not the same as dynamic. variables are still 100% statically typed. This will not compile:
var myString = "foo";
myString = 3;
var is also useful whe...
Is there a good Valgrind substitute for Windows?
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Insure++ takes forever to instrument your code, and forever to execute your code at runtime.
– C Johnson
Aug 9 '10 at 15:12
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How to remove a file from the index in git?
... from the repo, add the relevant files or directories to .gitignore, stage and commit as normal. They'll be gone from the repo but remain untouched in your local tree, and you won't accidentally check them in again.
– Ionoclast Brigham
Dec 7 '14 at 6:27
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twitter-bootstrap vs jquery-mobile [closed]
...will only show a single div with data-role='page' at a time), AJAX preload and history API, and lots of touch friendly components/widgets. Whereas bootstrap is foremost a CSS library mostly for desktop but works on mobile as well especially since 2.0 comes with media queries built in. Bootstrap wi...
Why are Where and Select outperforming just Select?
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Select iterates once over the entire set and, for each item, performs a conditional branch (checking for validity) and a + operation.
Where+Select creates an iterator that skips invalid elements (doesn't yield them), performing a + only on the valid items.
So, the...
Stored procedure slow when called from web, fast from Management Studio
...in the past, so I'm eager to see a resolution to this question. Aaron Bertrand's comment on the OP led to Query times out when executed from web, but super-fast when executed from SSMS, and while the question is not a duplicate, the answer may very well apply to your situation.
In essence, it sound...