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Node.js: How to send headers with form data using request module?
...
'Content-Length': contentLength,
'Content-Type': 'application/x-www-form-urlencoded'
},
uri: 'http://myUrl',
body: formData,
method: 'POST'
}, function (err, res, body) {
//it works!
});
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How to find all occurrences of an element in a list?
index() will just give the first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element?
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How do I use a PriorityQueue?
...which compares in the appropriate way for your sort order. If you give an example of how you want to sort, we can provide some sample code to implement the comparator if you're not sure. (It's pretty straightforward though.)
As has been said elsewhere: offer and add are just different interface meth...
sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
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Programmatically obtain the Android API level of a device?
...level programatically by the system constant (Build.VERSION.SDK_INT). For example you can run some piece of code which requires newer API in the following way (it will execute if the current device's API level is at least 4)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.DONUT) {
}
To obtai...
SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
...t puts null values in for the unpopulated fields.
This wikipedia article explains the various types of joins with examples of output given a sample set of tables.
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Objective-C : BOOL vs bool
...T_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YES ((BOOL)1)
#define NO ((BOOL)0)
So, yes, you can assume that BOOL is a char. You can use the (C99) bool type,...
Determine version of Entity Framework I am using?
..., click the item, then check the runtime version number in the Properties explorer, you will see the sub version as well. Mine for instance shows runtime version v4.0.30319 with the Version property showing 4.0.0.0. The EntityFramework.dll can be viewed in this fashion also. Only the Version will be...
How to search for a string in cell array in MATLAB?
...n is good because it works for multiple data types, but it only works for exact matches. If you need a case-insensitive match, see stackoverflow.com/a/9433112/44737. If you need to match something more complex like a regex or a field in a structure, see stackoverflow.com/a/8061808/44737
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Joining two lists together
...to it (as if you called .Add(foo) a bunch of times). The Concat and Union extension methods don't change the original list. They lazily construct a new IEnumerable and won't even access the original list members unless necessary. As noted, Union removes duplicates while the others don't.
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