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php is null or empty?

... Oups my mistake, but your last sentence led me think NULL, false, 0 and "" were strictly equal which is wrong, sorry for the misunderstanding. – Thomas LAURENT Aug 25 '16 at 21:06 ...
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Does return stop a loop?

...ops execution and exits the function. return always** exits its function immediately, with no further execution if it's inside a for loop. It is easily verified for yourself: function returnMe() { for (var i = 0; i < 2; i++) { if (i === 1) return i; } } console.log(returnMe()); ...
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jQuery disable a link

...f you want to preventDefault() only if a certain condition is fulfilled (something is hidden for instance), you could test the visibility of your ul with the class expanded. If it is visible (i.e. not hidden) the link should fire as normal, as the if statement will not be entered, and thus the defau...
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Convert string date to timestamp in Python

How to convert a string in the format "%d/%m/%Y" to timestamp? 14 Answers 14 ...
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What's the scope of a variable initialized in an if statement?

...coping question. The following code in a Python file (module) is confusing me slightly: 8 Answers ...
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Scala how can I count the number of occurrences in a list

I want to implement it like this: list.count(2) (returns 3). 16 Answers 16 ...
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How to get the latest tag name in current branch in Git?

... You could take a look at git describe, which does something close to what you're asking. share | improve this answer | follow | ...
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Format bytes to kilobytes, megabytes, gigabytes

...abase as bytes. What's the best way to format this size info to kilobytes, megabytes and gigabytes? For instance I have an MP3 that Ubuntu displays as "5.2 MB (5445632 bytes)". How would I display this on a web page as "5.2 MB" AND have files less than one megabyte display as KB and files one gigaby...
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

... Interface x86-32 aka i386 Linux System Call convention: In x86-32 parameters for Linux system call are passed using registers. %eax for syscall_number. %ebx, %ecx, %edx, %esi, %edi, %ebp are used for passing 6 parameters to system calls. The return value is in %eax. All other registers (incl...
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How to retrieve the first word of the output of a command in bash?

... @AlicePurcell I tried it without ; and it worked for me (MBP 10.14.2) – Samy Bencherif Apr 26 '19 at 19:26 ...