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CSS – why doesn’t percentage height work? [duplicate]
... 50% doesn't yield a well defined value unless you break the feedback loop by giving the parent element a specific height.
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How to remove item from list in C#?
...It will remove the items 2 and 3 and keep the items 1 and 4 - as specified by the removeList. Note that this happens in place, so there is no additional assigment required.
Of course, you can also use it on single items like:
results.RemoveAll(r => r.ID==4);
where it will remove Bill with ID 4 i...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...you should update before creating the constraint so you won't be surprised by queries that should return values that should exist!
– Armfoot
Nov 19 '15 at 22:13
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How to turn a String into a JavaScript function call? [duplicate]
...ave a reference to a function inside a variable, we can call this function by "calling the variable", i.e. fn(t.parentNode.id), which equals clickedOnItem(t.parentNode.id), which was what the OP wanted.
More full example:
/* Somewhere: */
window.settings = {
/* [..] Other settings */
functionN...
How to retrieve inserted id after inserting row in SQLite using Python?
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+1 for explaining that it will return the most recent id by that individual cursor instance.
– quakkels
Jan 19 '13 at 22:25
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What is the difference between shallow copy, deepcopy and normal assignment operation?
...lists are references. For the inner lists, would the copied one influenced by original one? I create a list of lists like list_=[[1,2],[3,4]] newlist = list_.copy() list_[0]=[7,8] and the newlist remains the same, so does the inner list are references?
– Alston
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Rails auto-assigning id that already exists
...ce!(t)
end
I found the reset_pk_sequence! from this thread. http://www.ruby-forum.com/topic/64428
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Check if PHP session has already started
...ta is written to the session cookie and the session is unlocked for access by another script that also calls 'session_start'. CLOSING does NOT mean that the session is DESTROYED, therefore. You can close a session by exiting the current script or calling session_write_close(), and you can open it a...
In Git, how can I write the current commit hash to a file in the same commit
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Could someone further expound with a step by step on how to do this? Or at least a nudge in the right direction?
– Joel Worsham
Dec 1 '14 at 15:52
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Is Ruby pass by reference or by value?
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In traditional terminology, Ruby is strictly pass-by-value. But that's not really what you're asking here.
Ruby doesn't have any concept of a pure, non-reference value, so you certainly can't pass one to a method. Variables are always references to objec...