大约有 8,200 项符合查询结果(耗时:0.0213秒) [XML]
Get last result in interactive Python shell
...Out[n], where n is the number of the input that generated the output:
In [64]: 1+1
Out[64]: 2
...
In [155]: Out[64] + 3
Out[155]: 5
For more info, see https://jakevdp.github.io/PythonDataScienceHandbook/01.04-input-output-history.html .
...
Why Large Object Heap and why do we care?
...problem that otherwise disappears completely by just running the code on a 64-bit operating system. A 64-bit process has 8 terabytes of virtual memory address space available, 3 orders of magnitude more than a 32-bit process. You just can't run out of holes.
Long story short, the LOH makes code r...
Read file data without saving it in Flask
... image = request.files['photo']
image_string = base64.b64encode(image.read())
image_string = image_string.decode('utf-8')
#use this to remove b'...' to get raw string
return render_template('handleUpload.html',filestring = image_string)
...
OAuth with Verification in .NET
... response.StatusDescription);
}
You can download a DLL containing the OAuth.Manager class here. There is also a helpfile in that download. Or you can view the helpfile online.
See an example of a Windows Form that uses this manager here.
WORKING EXAMPLE
Download a worki...
Go > operators
... 4
1 << 3 = 8
1 << 4 = 16
1 << 5 = 32
1 << 6 = 64
1 << 7 = 128
1 << 8 = 256
1 << 9 = 512
512 >> 1 = 256
512 >> 2 = 128
512 >> 3 = 64
512 >> 4 = 32
512 >> 5 = 16
512 >> 6 = 8
512 >> 7 = 4
512 >> ...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
.../2.7/include/python2.7 -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTR...
“#include” a text file in a C program as a char[]
...ar a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
share
|
improve this answer
|
follow
|
...
What is the most ridiculous pessimization you've seen? [closed]
...ds (or 10's of thousands) of times during program launch.
Loading the same DLL hundreds or thousands of times
Wasting mega bytes of memory by keeping full paths to files needlessly
Not organizing data structures so they take up way more memory than they need
Sizing all strings that store file names ...
configure Git to accept a particular self-signed server certificate for a particular https remote
...it does work on windows! export every cert in the certificate-chain as Base64 coded X.509 file (.CER) Put all the files together and reference this file. Be sure that you don't have spaces in the path to the cert file (use oldschool paths)
– pscheit
Sep 29 '16 ...
Maximum packet size for a TCP connection
...
The absolute limitation on TCP packet size is 64K (65535 bytes), but in practicality this is far larger than the size of any packet you will see, because the lower layers (e.g. ethernet) have lower packet sizes.
The MTU (Maximum Transmission Unit) for Ethernet, for inst...
