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Return a value if no rows are found in Microsoft tSQL
...re, and it took a while to figure out what was going on. The following is based on the answer by Moe Sisko and some related research
If your SQL query does not return any data there is not a field with a null value so neither ISNULL nor COALESCE will work as you want them to. By using a sub query...
Insert new item in array on any position in PHP
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Based on @Halil great answer, here is simple function how to insert new element after a specific key,
while preserving integer keys:
private function arrayInsertAfterKey($array, $afterKey, $key, $value){
$pos = array_s...
duplicate MIME type “text/html”?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the perfect counterpart in Python for “while not EOF”
...s above for "doing it the python way", if one wants to really have a logic based on EOF, then I suppose using exception handling is the way to do it --
try:
line = raw_input()
... whatever needs to be done incase of no EOF ...
except EOFError:
... whatever needs to be done incase of EO...
How to compare a local git branch with its remote branch?
...was that too much to ask? Yes, yes it was. :-) git diff remotes/origin/<base branch> <current branch> -- <filename> works great on git 1.8.3.1
– Steve Bonds
Apr 25 '18 at 21:22
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Automatically import modules when entering the python or ipython interpreter
... will allow you to change the startup requirements and other configuration based on a particular case. However, if you'd always like np to be available to you then by all means put it in the startup directory.
For more information on ipython configuration. The docs have a much more complete explana...
Case sensitive Cmd+D in Sublime Text 2
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Make function wait until element exists
... This is the proper solution, much better than all the periodic Timer-based checkings.
– András Szepesházi
Feb 9 '18 at 19:35
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What is the length of the access_token in Facebook OAuth2?
...n be up to 255 characters. If you're storing the access token in your database, the column should be able to accommodate at least varchar(255). Here's an excerpt from Facebook's Developer blog from October 4, 2011:
"With the Encrypted Access Token migration enabled, the format of the access token...
Do threads have a distinct heap?
...e stack, which it can quickly add and remove items from. This makes stack based memory fast, but if you use too much stack memory, as occurs in infinite recursion, you will get a stack overflow.
Since all threads share the same heap, access to the allocator/deallocator must be synchronized. The...