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Multiple returns from a function
...t in str_replace, $matches in preg_match). This might feel quite different from returning multiple values, but it is worth at least knowing about.
A third method is to use an object to hold the different values you need. This is more typing, so it's not used quite as often as the two methods above....
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
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What Brann is mentioning from the Visual Studio 2008 SP1 Team Suite is version 1.4 of the Database Publishing Wizard. It's installed with sql server 2008 (maybe only professional?) to \Program Files\Microsoft SQL Server\90\Tools\Publishing\1.4. The V...
How to reset Jenkins security settings from the command line?
Is there a way to reset all (or just disable the security settings) from the command line without a user/password as I have managed to completely lock myself out of Jenkins ?
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Does the APNS device token ever change, once created?
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From [Apple Documentation ApplePushService]2
The form of this phase of token trust ensures that only APNs generates
the token which it will later honor, and it can assure itself that a
token handed to it by a device i...
Can you remove elements from a std::list while iterating through it?
...+) and then remove the previous element (e.g., by using the returned value from i++). You can change the code to a while loop like so:
std::list<item*>::iterator i = items.begin();
while (i != items.end())
{
bool isActive = (*i)->update();
if (!isActive)
{
items.erase(...
Is it faster to count down than it is to count up?
...s stuff is almost certainly irrelevant as there isn't a simple 1-1 mapping from instructions to clock cycles. (Though I could imagine it coming up if you were doing things like generating precisely timed video signals from a microcontroller. But then you'd write in assembly language anyway.)
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When should I use C++ private inheritance?
...{
// Cannot be instantiated
};
Sealed can be instantiated. It derives from ClassSealer and can call the private constructor directly as it is a friend.
FailsToDerive won't compile as it must call the ClassSealer constructor directly (virtual inheritance requirement), but it cannot as it is pri...
Unable to find valid certification path to requested target - error even after cert imported
...r own identity also has a 'chain' of trust to the root - which is separate from any chain to a root you need to figure out 'who' you trust.
all turn on all debugging
ssl turn on ssl debugging
The following can be used with ssl:
record enable per-record tracing
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How to convert a JSON string to a Map with Jackson JSON
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[Update Sept 2020] Although my original answer here, from many years ago, seems to be helpful and is still getting upvotes, I now use the GSON library from Google, which I find to be more intuitive.
I've got the following code:
public void testJackson() throws IOException {
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Prevent ViewPager from destroying off-screen views
...rs to destroy a hosted fragment's view when it is more than one swipe away from the current position.
3 Answers
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