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Lock Escalation - What's happening here?
...oticed that the change script it generated drops the column, says "go" and then runs an additional ALTER TABLE statement that appears to set the lock escalation for the table to "TABLE". Example:
...
How does one parse XML files? [closed]
... @DonCheadle If you aren't expecting there to be any child nodes, then InnerText will just return the node value - which is what I (and probably everyone else reading this question) am parsing the XML to find in the first place.
– F1Krazy
Oct 17 '19 at...
Suppressing deprecated warnings in Xcode
...ed directive before a function / method in which you use deprecated stuff. Then you can restore the previous setting after the definition of the function end:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
- (void) methodUsingDeprecatedStuff {
//use depr...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
... @Viktor Lannér: If you call mSurfaceHolder.unlockCanvasAndPost(c) and then c = mSurfaceHolder.lockCanvas(null), then the new c does not contain the same thing as the previous c. You can’t update just a part of a SurfaceView, which is what the OP was asking I guess.
– Gui...
Determine if map contains a value for a key?
... have to agree with @dynamic on this one, having to define an iterator and then compare it with end is not a natural way of saying that something does not exist. It seems far more straightforward to me to say that a certain element appears at least once in this map. Which is what count does.
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What is the difference between NULL, '\0' and 0?
...different ways.
If a pointer is being compared to the constant literal 0, then this is a check to see if the pointer is a null pointer. This 0 is then referred to as a null pointer constant. The C standard defines that 0 cast to the type void * is both a null pointer and a null pointer constant.
A...
GroupBy pandas DataFrame and select most common value
... you don't care which mode is returned as long as it's either one of them, then you will need a lambda that calls mode and extracts the first result.
source2.groupby(['Country','City'])['Short name'].agg(
lambda x: pd.Series.mode(x)[0])
Country City
Russia Sankt-Petersburg Sp...
Deny all, allow only one IP through htaccess
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As @MA-Maddin pointed out, - then mod_access_compat are deprecated. This post shows how to do in newer versions. And one should also be considering, if the server is using a proxy, since that would then display the proxy-IP for the visitor. This post sug...
How do I dynamically assign properties to an object in TypeScript?
...namic data. If you are receiving dynamic data from API, to build form, and then sending back dynamic values to api, it does make sense. Any is there for a reason, obviously you should strongly type most of stuff which is not dynamic, but in dynamic cases you can't strongly type.
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How to hide keyboard in swift on pressing return key?
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if we have multiple textfields on a page then do we need to do it for each text field...
– DragonFire
Jul 9 '19 at 1:28
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