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What happens if I define a 0-size array in C/C++?
Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all.
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Get nodes where child node contains an attribute
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Try
//book[title/@lang = 'it']
This reads:
get all book elements
that have at least one title
which has an attribute lang
with a value of "it"
You may find this helpful — it's an article entitled "XPath in Five Paragraphs" by Ronald Bourret.
But in all hones...
'await' works, but calling task.Result hangs/deadlocks
...g to schedule its continuation onto a thread that is being blocked by the call to Result.
In this case, your SynchronizationContext is the one used by NUnit to execute async void test methods. I would try using async Task test methods instead.
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
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From the app side I have a text box that is sending the string to ESP32, all working except when I try to send strings over 23bytes. Ok, I read some topics here and tried to apply those solutions but no success yet.
From my ESP32 firmware I wrote:
BLEDevice::init("Monitor3");
BLEDevice::setMTU(128...
Stop Visual Studio from mixing line endings in files
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I don't have this menu item on my VS2010 ultimate install.
– Palantir
Oct 22 '10 at 8:16
6
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Lock Escalation - What's happening here?
... to take fewer, larger locks (e.g. entire table) instead of locking many smaller things (e.g. row locks).
But this can be problematic when you have a huge table, because taking a lock on the entire table may lock out other queries for a long time. That's the tradeoff: many small-granularity locks...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...son for this maybe because you try to set a column to NOT NULL when it actually already has NULL values.
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Exact difference between CharSequence and String in java [duplicate]
...h can be modified
Any method which accepts a CharSequence can operate on all of these equally well. Any method which only accepts a String will require conversion. So using CharSequence as an argument type in all the places where you don't care about the internals is prudent. However you should us...
What does addChildViewController actually do?
...s I've had to do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a standard Tab Bar Controller . (It's pretty much a Tab Bar Controller but with a hideable side...
mkdir's “-p” option
...p created both, hello and goodbye
This means that the command will create all the directories necessaries to fulfill your request, not returning any error in case that directory exists.
About rlidwka, Google has a very good memory for acronyms :). My search returned this for example: http://www.cs...