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Detect Chrome extension first run / update
...ckground page, if your planning to use this in a content script, then just call chrome.app.getDetails().version directly. The reason why I did getVersion before is because in the early days of Chrome Extension development, there was no chrome.app object, so we had to XHR the manifest. You could do a...
Find and replace string values in list
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words = [w.replace('[br]', '<br />') for w in words]
These are called List Comprehensions.
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Convert.ChangeType() fails on Nullable Types
...quals(value)) ?
default(T) : (T)Convert.ChangeType(value, t);
}
Called using:
string field1 = dr.GetValue<string>("field1");
int? field2 = dr.GetValue<int?>("field2");
DateTime field3 = dr.GetValue<DateTime>("field3");
I wrote a series of blog posts including this at ...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...olution is clearly the fastest, you can see that defining a function to be called for every x entry is a huge overhead. Just explicitly writing out the computation got us factor 5 speedup. I guess this shows that MATLABs JIT compiler does not support inline functions. According to the answer by gnov...
In Python, how can you load YAML mappings as OrderedDicts?
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Note that for dict_constructor you'll need to call loader.flatten_mapping(node) or you won't be able to load <<: *... (merge syntax)
– Anthony Sottile
Apr 11 '18 at 15:58
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How can I divide two integers to get a double?
... the same in C#, but C only requires you to cast the first - it'll automatically make double/int a double.
– paxdiablo
Mar 19 '09 at 4:34
4
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Capturing TAB key in text box [closed]
...ing to the next item in the tab order, from occurring.
In Firefox you can call the preventDefault() method on the event object passed to your event handler. In IE, you have to return false from the event handle. The JQuery library provides a preventDefault method on its event object that works in I...
gdb: how to print the current line or find the current line number?
...nstructions- so is tied to assembly concepts.
What you are looking for is called de instruction pointer, i.e:
The instruction pointer register points to the memory address which the processor will next attempt to execute. The instruction pointer is called ip in 16-bit mode, eip in 32-bit mode,a...
WPF Timer Like C# Timer
...er is the DispatcherTimer, which is not a control but used in code. It basically works the same way like the WinForms timer:
System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += dispatcherTimer_Tick;
dispatcherTimer.Inter...
Disabling of EditText in Android
... In case someone has the same problem with enabling back - you got to call editText.setFocusableInTouchMode(true) instead of editText.setFocusable(true).
– Dart Dega
Mar 1 '18 at 8:30
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