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Downloading a file from spring controllers
...tream as a place to put generated PDF to your generator. Also, if you know what file type you are sending, you can set
response.setContentType("application/pdf");
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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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Eloquent Collection: Counting and Detect Empty
...Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty()) { }
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Objective-C: Reading a file line by line
What is the appropriate way of dealing with large text files in Objective-C? Let's say I need to read each line separately and want to treat each line as an NSString. What is the most efficient way of doing this?
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
... new object
If you've read through the first example then you already now what's the purpose of the || {}.
Because if there is no existing FOO object then the OR-case will become active and creates a new object, so you can assign functions to it. Like:
var FOO = {};
FOO.skateboard = function() ...
Android:What is difference between setFlags and addFlags for intent
What is difference between setFlags and addFlags for intent. Could any one explain it please.
Help Appreciated.
3 Answers
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How does the compilation/linking process work?
...r failed overload resolution errors, are reported.
Linking
The linker is what produces the final compilation output from the object files the compiler produced. This output can be either a shared (or dynamic) library (and while the name is similar, they haven't got much in common with static libra...
Android soft keyboard covers EditText field
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Are you asking how to control what is visible when the soft keyboard opens? You might want to play with the windowSoftInputMode. See developer docs for more discussion.
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What is the easiest way to duplicate an activerecord record?
...record, changing a single field in the process (in addition to the id ). What is the simplest way to accomplish this?
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Python Requests throwing SSLError
...ing validated via SSL so I have to get past that step first. I don't know what Python requests is wanting? Where is this SSL certificate supposed to reside?
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