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What is the argument for printf that formats a long?
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printf("%ld", ULONG_MAX) outputs the value as -1. Should be printf("%lu", ULONG_MAX) for unsigned long as described by @Blorgbeard below.
– jammus
Nov 12 '11 at 16:03
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Postgres - FATAL: database files are incompatible with server
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413
If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your pos...
Objective-C categories in static library
...sted with idea from http://iphonedevelopmentexperiences.blogspot.com/2010/03/categories-in-static-library.html blog. Author say he can use category from lib without setting -all_load or -ObjC flag. He just add to category h/m files empty dummy class interface/implementation to force linker use this ...
Value of type 'T' cannot be converted to
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293
Even though it's inside of an if block, the compiler doesn't know that T is string.
Therefore, i...
Default value in Doctrine
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392
Database default values are not "portably" supported. The only way to use database default val...
How do I install Maven with Yum?
...ur purposes. Try,
wget http://mirror.olnevhost.net/pub/apache/maven/maven-3/3.0.5/binaries/apache-maven-3.0.5-bin.tar.gz
basically just go to the maven site. Find the version of maven you want. The file type and use the mirror for the wget statement above.
Afterwards the process is easy
Run th...
How to get enum value by string or int
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Kendall FreyKendall Frey
37.6k1717 gold badges9696 silver badges138138 bronze badges
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querySelector search immediate children
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Though it's not a full answer, you should keep an eye on the W3C Selector API v.2 which is already available in most browser, both desktop and mobile, except IE (Edge seems to support): see full support list.
function(elem) {
return elem.querySelectorAll(':scope > someselector');
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Difference between Mock / Stub / Spy in Spock test framework
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given:
def mockSubscriber = Mock(Subscriber) {
3 * receive(_) >>> ["hey", "ho"]
}
publisher.addSubscriber(mockSubscriber)
when:
publisher.send("Hello subscribers")
publisher.send("Anyone there?")
then: "check interactions"
1 * mockSu...
How to run an EXE file in PowerShell with parameters with spaces and quotes
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348
When PowerShell sees a command starting with a string it just evaluates the string, that is, i...