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What are the uses of the exec command in shell scripts? [closed]
Can anyone explain what are the uses of the exec command in shell scripting with simple examples?
2 Answers
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When to use , tag files, composite components and/or custom components?
... using JSF 2.0 with Facelets recently and got puzzled by new composite components knowing existing <ui:include> and other templating techniques offered by Facelets 1.x.
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Convert list of dictionaries to a pandas DataFrame
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How might one use one of the key/value pairs as the index (eg. time)?
– CatsLoveJazz
Jun 28 '16 at 13:37
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builder for HashMap
..., Map.entry(k2,v2), ...) gives us more readable code which is less error prone (unless I misunderstood you).
– Pshemo
Oct 16 '19 at 20:41
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How do I trigger the success callback on a model.save()?
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I'm a tad confused - (1)I thought that backbone always sent the whole model back during save (that it's not possible to send partial model updates). So what is the purpose of the attribute name-values? (2) What if you just want to save the model after performing some ...
How can I pad a value with leading zeros?
...f zeros and the -6,6 correspond to the pad width. Same idea but slice take one less param; not sure if slice is faster or slower than subtr. Of course my solution isn't needing variable assignment.
– slartibartfast
Mar 4 '14 at 7:41
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C++ new int[0] — will it allocate memory?
..., even if your request is zero, this allocation happens on the Heap, where one request implies several book keeping operations, like allocating and initializing heap guards before and after the zone given by the allocator, insertion into freelists or other complex horrible structures. Freeing it mea...
Sockets: Discover port availability using Java
...u're trying to do is select a free port then new ServerSocket(0) will find one for you.
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Programmatically obtain the phone number of the Android phone
How can I programmatically get the phone number of the device that is running my android app?
17 Answers
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Java Interfaces/Implementation naming convention [duplicate]
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Correct! One more thing, since Abstract* types don't add new contract, they should be considered wrong, too. Having abstract classes is all about violating SRP.
– Miha_x64
Jan 10 '19 at 10:38
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