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LINQ to SQL Left Outer Join
...s? I fail to see how any of those keywords magically makes it a left join. What does the "into sr" do? Linq frustrates me sometimes :)
– Joe Phillips
Apr 7 '14 at 21:29
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Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
... @AbuSadatMohammedYasin no it shouldn't: the question asked "what is going on" and this answer simply doesn't attempt to explain it. As cs_alumnus mentioned, there's a bigger problem: all the new values that should be referencing another value in the other table (as a Foreign key shoul...
Smallest data URI image possible for a transparent image
...3Csvg xmlns='http://www.w3.org/2000/svg'/%3E
The final length depends on what it's gzipped with.
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How do you set the Content-Type header for an HttpClient request?
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I will eventually figure out what object type "req" is ... by trial and error........BUT it would be great to show that. Thank you for your consideration.
– granadaCoder
Dec 21 '18 at 15:38
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'is' versus try cast with null check
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There's no information yet about what actually happens below the belt. Take a look at this example:
object o = "test";
if (o is string)
{
var x = (string) o;
}
This translates to the following IL:
IL_0000: nop
IL_0001: ldstr "test"
I...
How do I pass a method as a parameter in Python
...ToRun(spam_value, ham=ham_value)
If you don't know, when writing method2, what arguments methodToRun is going to take, you can also use argument unpacking to call it in a generic way:
def method1(self, spam, ham):
return 'hello ' + str(spam) + ' and ' + str(ham)
def method2(self, methodToRun, ...
Why does InetAddress.isReachable return false, when I can ping the IP address?
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This is identical to what InetAddress.isReachable() already does, via port 7, except that the latter is more intelligent about what the various possible IOExceptions mean in terms of reachability.
– Marquis of Lorne
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python multithreading wait till all threads finished
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say t1 takes the longest, but t2 has an exception. what happens then? can you catch that exception or check whether t2 finished ok or not?
– Ciprian Tomoiagă
May 4 '14 at 15:27
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How do I measure separate CPU core usage for a process?
...at the script is utilizing both cores (and there are many other service or whatever threads, which are almost idle):
$ ps -p 28671 -L -o pid,tid,psr,pcpu
PID TID PSR %CPU
28671 28671 1 0.0
28671 28672 0 4.4
28671 28673 0 0.6
28671 28674 0 0.5
28671 28675 0 2.3
28671 28676 0 0....
How can I make a Python script standalone executable to run without ANY dependency?
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What would you do about the libraries (numpy, scipy, matplotlib) ? For instance, how would clients be able to use the ginput() function in matplotlib from the executable, without having it installed on their computer.
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