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How can I exclude all “permission denied” messages from “find”?
I need to hide all permission denied messages from:
17 Answers
17
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How to handle Handler messages when activity/fragment is paused
...gh the Android operating system does not appear to have a mechanism that sufficiently addresses your problem I believe this pattern does provide a relatively simple to implement workaround.
The following class is a wrapper around android.os.Handler that buffers up messages when an activity is pause...
Are PDO prepared statements sufficient to prevent SQL injection?
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The short answer is NO, PDO prepares will not defend you from all possible SQL-Injection attacks. For certain obscure edge-cases.
I'm adapting this answer to talk about PDO...
The long answer isn't so easy. It's based off an attack demonstrated here.
The Attack
So, let...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
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If you want your Models to alert the ViewModels of changes, they should implement INotifyPropertyChanged, and the ViewModels should subscribe to receive PropertyChange notifications.
Your code might look something like this:
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Approximate cost to access various caches and main memory?
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Here is a Performance Analysis Guide for the i7 and Xeon range of processors. I should stress, this has what you need and more (for example, check page 22 for some timings & cycles for example).
Additionally, this page has some detai...
What is the purpose of setting a key in data.table?
I am using data.table and there are many functions which require me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
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How do I create a simple 'Hello World' module in Magento?
How can the following be accomplished in Magento?
6 Answers
6
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Lock-free multi-threading is for real threading experts
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Current "lock-free" implementations follow the same pattern most of the time:
*read some state and make a copy of it**
*modify copy**
do an interlocked operation
retry if it fails
(*optional: depends on the data structure/algorithm)
T...
Haskell Type vs Data Constructor
I am learning Haskell from learnyouahaskell.com . I am having trouble understanding type constructors and data constructors. For example, I don't really understand the difference between this:
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How do you fix a bad merge, and replay your good commits onto a fixed merge?
I accidentally committed an unwanted file ( filename.orig while resolving a merge) to my repository several commits ago, without me noticing it until now. I want to completely delete the file from the repository history.
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