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PreparedStatement IN clause alternatives?
...mited list based on the number of parameters.
final StringBuilder sb = new StringBuilder(
new String(new char[params]).replace("\0", "?,")
);
// Remove trailing comma.
sb.setLength(Math.max(sb.length() - 1, 0));
// For more than 1 parameter, replace the single param...
.NET - Dictionary locking vs. ConcurrentDictionary
...
Basically you want to go with the new ConcurrentDictionary. Right out of the box you have to write less code to make thread safe programs.
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Python int to binary string?
...ird-party libraries with suitable licenses.
your own collection.
something new you need to write (and save in your own collection for later).
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C# difference between == and Equals()
...ure whether or not they are the same reference.
When I'm working with a new type whose definition is in flux or writing generic algorithms, I find the best practice is the following
If I want to compare references in C#, I use Object.ReferenceEquals directly (not needed in the generic case)
If ...
C++ - passing references to std::shared_ptr or boost::shared_ptr
...s message (the variable should be reset before sending). So we declare the new variable:
std::shared_ptr<std::string> previous_message;
Then we amend our function according to the rules we specified:
void send_message(std::shared_ptr<std::string> msg)
{
previous_message = 0;
...
Why is it necessary to set the prototype constructor?
...his.name = name;
}
Person.prototype.copy = function() {
// return new Person(this.name); // just as bad
return new this.constructor(this.name);
};
// define the Student class
function Student(name) {
Person.call(this, name);
}
// inherit Person
Student.prototype = Object...
jQuery : eq() vs get()
I'm new to jQuery, and I'm wondering what the difference is between jQuery's get() and eq() functions. I may misunderstand what the get() function does, but I thought it odd that I couldn't call a function on the returned on the returned element in the same line.
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How to use timeit module
...
Raymond HettingerRaymond Hettinger
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How can I convince IE to simply display application/json rather than offer to download it?
...ding"=hex:08,00,00,00
Then double-click the .reg file. Restart IE. The new behavior you get when tickling a URL that returns a doc with Content-Type: application/json or Content-Type: text/json is like this:
What it does, why it works:
The 25336920-03F9-11cf-8FD0-00AA00686F13 is the CLSID ...
Android List Preferences: have summary as selected value?
...tValue().toString());
listPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
preference.setSummary(newValue.toString());
retu...