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How to get last inserted id?
...d Jul 14 '16 at 14:25
Matthew MccallMatthew Mccall
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Java Ordered Map
...effectively returns a LinkedHashSet which reflects the order of your put() calls. Note that repeated calls to put() for the same key will not change the order unless you remove() the key beforehand.
– Glenn Lawrence
Mar 3 '15 at 3:29
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Create and append dynamically
I am trying to create a <div> dynamically, with an appended <div> inside. I have this so far which works:
9...
Check Whether a User Exists
...level boolean handling in bash is in my opinion less than clear and I typically avoid implicit boolean inferences in my code. The following make interesting reading and interestingly both favour 0 = true and <not 0> = false for bash purposes, and while not de facto, align with the variable na...
How Pony (ORM) does its tricks?
...tecode instructions one-by-one.
For each instruction the decompiler object calls its own method.
The name of this method is equal to the name of current bytecode instruction.
When Python calculates an expression, it uses stack, which stores an intermediate
result of calculation. The decompiler obje...
How to get the next auto-increment id in mysql
... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases...
– Gerard ONeill
Feb 12 '16 at 15:26
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How can I reverse a NSArray in Objective-C?
...e complexity of the sort algorithm is (best case O(n*logn)?, but it's also calling indexOfObject, which is probably O(n). With the sort, that could be O(n^2*logn) or something. Not good!
– Joseph Humfrey
Apr 8 '14 at 9:32
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Drawing a line/path on Google Maps
... help. At last I could draw a line on the map.
This is how I done it:
/** Called when the activity is first created. */
private List<Overlay> mapOverlays;
private Projection projection;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...s reading. uuid1 is "more unique", while uuid4 is more anonymous. So basically use uuid1 unless you have a reason not to. @mark ransom: Awesome answer, didn't come up when I searched for uuid1/uuid4. Straight from the horse's mouth, it seems.
– rocketmonkeys
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记一次数据库表自增长（Auto Increment）故障 - 数据库(内核) - 清泛网 - ...
... the table handle in the InnoDB data dictionary contains a special counter called the auto-increment counter that is used in assigning new values for the column. This counter is stored only in main memory, not on disk.
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A server restart also cancels the effect of the AUTO_INCREMENT = N table ...