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Run cURL commands from Windows console
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edited Aug 17 '16 at 13:33
Daniel Stenberg
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...n session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
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It is a quirk of the syntax for passing arrays to functions.
Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the fir...
Using “this” with class name
...ickListener() {
@Override
public void onClick(View v) {
// it will be wrong to use only "this", because it would
// reference the just created OnClickListener object
Intent login = new Intent(ClassName.this, Login.class);
startActivityForResult(login, LOGIN_RE...
No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
...venience):
// Add headers
app.use(function (req, res, next) {
// Website you wish to allow to connect
res.setHeader('Access-Control-Allow-Origin', 'http://localhost:8888');
// Request methods you wish to allow
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT,...
How do I access my SSH public key?
I've just generated my RSA key pair, and I wanted to add that key to GitHub.
18 Answers
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How to set selected item of Spinner by value, not by position?
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Suppose your Spinner is named mSpinner, and it contains as one of its choices: "some value".
To find and compare the position of "some value" in the Spinner use this:
String compareValue = "some value";
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFr...
Reduce left and right margins in matplotlib plot
I'm struggling to deal with my plot margins in matplotlib. I've used the code below to produce my chart:
11 Answers
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Best implementation for hashCode method for a collection
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The best implementation? That is a hard question because it depends on the usage pattern.
A for nearly all cases reasonable good implementation was proposed in Josh Bloch's Effective Java in Item 8 (second edition). The best thing is to look it up there because the author explain...
How can I remove the first line of a text file using bash/sed script?
...p" "$FILE"
The && will make sure that the file doesn't get overwritten when there is a problem.
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