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Storing Images in DB - Yea or Nay?
...special coding or processing to access images in the file system
databases win out where transactional integrity between the image and metadata are important.
it is more complex to manage integrity between db metadata and file system data
it is difficult (within the context of a web application) t...
Convert two lists into a dictionary
...= ('Monty', 42, 'spam')
What is the simplest way to produce the following dictionary ?
dict = {'name' : 'Monty', 'age' : 42, 'food' : 'spam'}
Most performant, dict constructor with zip
new_dict = dict(zip(keys, values))
In Python 3, zip now returns a lazy iterator, and this is now the m...
Open a URL in a new tab (and not a new window)
I'm trying to open a URL in a new tab, as opposed to a popup window.
33 Answers
33
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Why does string::compare return an int?
...ll the way to one of them
// ends. If the length isn't equal, "longest" wins.
return a.length() - b.length();
}
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Multiple linear regression in Python
...er from zero, but they shouldn't be directly compared. clarification is a bit late, but hope it's useful to somebody
– Sam Mason
Apr 26 '19 at 15:58
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Why are floating point numbers inaccurate?
... Data
First, a few functions to see the components that make a 32- and 64-bit float. Gloss over these if you only care about the output (example in Python):
def float_to_bin_parts(number, bits=64):
if bits == 32: # single precision
int_pack = 'I'
float_pack = '...
How does a debugger work?
...end on what you are debugging, and what the OS is. For native debugging on Windows you can find some details on MSDN: Win32 Debugging API.
The user tells the debugger which process to attach to, either by name or by process ID. If it is a name then the debugger will look up the process ID, and init...
What is MyAssembly.XmlSerializers.dll generated for?
... I know this is an old response but in VS2015 Update 3 on a Winforms app targeting .NET 2.0 x86 when compiled on a Win10 Ent 64bit system then even when the setting "Generate serialization assembly" dropdown to "Off" then the *.XmlSerializers.dll is still generated. My app does refere...
Do sealed classes really offer performance Benefits?
... Uhh... I realize this is old, but this isn't quite right... the big win with sealed classes is when the JIT Optimizer can inline the call... in that case, the sealed class can be a huge win.
– Brian Kennedy
Oct 1 '11 at 10:28
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...(late 2009 for example) and are using Yosemite, you cannot use HAXM for 64 bit architecture. According to the release notes on HAXM:
HAXM driver does not support emulating a 64 bit system image on Intel systems based on Core microarchitecture (Core, Core2 Duo etc.). All systems based on Nehalem ...