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Manually raising (throwing) an exception in Python
... Python!') # Don't! If you catch, likely to hide bugs.
For example:
def demo_bad_catch():
try:
raise ValueError('Represents a hidden bug, do not catch this')
raise Exception('This is the exception you expect to handle')
except Exception as error:
print('Caught this...
What's the best way to set a single pixel in an HTML5 canvas?
...ng drawImage() to show it:
var img = new Image;
img.src = "data:image/png;base64," + myPNGEncoder(r,g,b,a);
// Writing the PNGEncoder is left as an exercise for the reader
creating another img or canvas filled with all the pixels you want and use drawImage() to blit just the pixel you want across....
Header files for x86 SIMD intrinsics
...of the LLVM projects. That said, the current release: clang-800.0.42.1, is based on LLVM 3.9.0. The first LLVM 3.0 based version appears to be Apple clang 2.1 back in Xcode 4.1. LLVM 3.1 first appears with Apple clang 3.1 (a numeric coincidence) in Xcode 4.3.3.Apple also defines __apple_build_versio...
How to encrypt/decrypt data in php?
...he encrypted output, like the IV, is binary; storing these values in a database can be accomplished by using designated column types such as BINARY or VARBINARY.
The output value, like the IV, is binary; to store those values in MySQL, consider using BINARY or VARBINARY columns. If this is not an o...
How to find if a native DLL file is compiled as x64 or x86?
... }
return NULL;
}
PE_ARCHITECTURE GetImageArchitecture(void *pImageBase) {
// Parse and validate the DOS header
IMAGE_DOS_HEADER *pDosHd = (IMAGE_DOS_HEADER*)pImageBase;
if (IsBadReadPtr(pDosHd, sizeof(pDosHd->e_magic)) || pDosHd->e_magic != IMAGE_DOS_SIGNATURE)
ret...
Sharing a result queue among several processes
...e, just a way for the workers to (repeatedly) report their results back to base.
2 Answers
...
Convert pem key to ssh-rsa format
...eBuffer(&pEncoding[11 + index], nLen, nBytes);
b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
bio = BIO_new_fp(stdout, BIO_NOCLOSE);
BIO_printf(bio, "ssh-rsa ");
bio = BIO_push(b64, bio);
BIO_write(bio, pEncoding, encodingLength);
BIO_flush(bio);...
Making a request to a RESTful API using python
...
Using requests:
import requests
url = 'http://ES_search_demo.com/document/record/_search?pretty=true'
data = '''{
"query": {
"bool": {
"must": [
{
"text": {
"record.document": "SOME_JOURNAL"
}
},
{
"text...
Get Base64 encode file-data from Input Form
...ipt.
The easy way:
The readAsDataURL() method might already encode it as base64 for you. You'll probably need to strip out the beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though.
The hard way:
If you want to try it the hard way (or it doesn't work),...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...a list of many others) is that it tends to artificially favor lookup table based solutions. Since the benchmark is repeating the one operation in a loop, it will often find that using a lookup table that just fits in L1 is the fastest, because everything will hit in L1 every time since there is no c...