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Converting strings to floats in a DataFrame
... [14]: df.convert_objects(convert_numeric=True).dtypes
Out[14]:
A float64
B float64
dtype: object
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.NET console application as Windows service
... with that framework." what is wrong here?
– user6102644
May 20 '16 at 7:23
3
Make sure you are t...
Exporting functions from a DLL with dllexport
...urs for x86 architecture because
the __stdcall convention is ignored on x64 (msdn : on x64 architectures, by convention, arguments are passed in registers when possible, and subsequent arguments are passed on the stack.).
This is particularly tricky if you are targeting both x86 and x64 platform...
Are GUID collisions possible?
...
Robert Harvey
164k4141 gold badges308308 silver badges467467 bronze badges
answered Oct 8 '08 at 21:00
Tom RitterTom...
Error Code: 2013. Lost connection to MySQL server during query
...ield to 0 is equivalent to the default parameter (600 seconds). (Windows 7 64-bit Ultimate, MySQL Workbench 5.2.47 CE)
– Franck Dernoncourt
Jun 1 '13 at 21:30
...
Cannot find Dumpbin.exe
...
With VS 2019, installing MSVC v142 - VS 2019 C++ x64/x86 build tools (v14.25) was enough for me to get dumpbin.exe.
– 0xced
Apr 16 at 6:57
add a comme...
Using HTML and Local Images Within UIWebView
...
try use base64 image string.
NSData* data = UIImageJPEGRepresentation(image, 1.0f);
NSString *strEncoded = [data base64Encoding];
<img src='data:image/png;base64,%@ '/>,strEncoded
...
Hashing a file in Python
...lly arbitrary, change for your app!
BUF_SIZE = 65536 # lets read stuff in 64kb chunks!
md5 = hashlib.md5()
sha1 = hashlib.sha1()
with open(sys.argv[1], 'rb') as f:
while True:
data = f.read(BUF_SIZE)
if not data:
break
md5.update(data)
sha1.update(d...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
...value denoting the cost parameter, followed by $
a 53 characters long base-64-encoded value (they use the alphabet ., /, 0–9, A–Z, a–z that is different to the standard Base 64 Encoding alphabet) consisting of:
22 characters of salt (effectively only 128 bits of the 132 decoded bits)
31 chara...
What's the strangest corner case you've seen in C# or .NET? [closed]
...
Answer:
On 32-bit JIT it should result in a StackOverflowException
On 64-bit JIT it should print all the numbers to int.MaxValue
This is because the 64-bit JIT compiler applies tail call optimisation, whereas the 32-bit JIT does not.
Unfortunately I haven't got a 64-bit machine to hand to v...