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pdftk compression option
...tion to /default or /printer. For explanations of the all possible options consult the ps2pdf manual.
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Convert Base64 string to an image file? [duplicate]
...
I had just raw base64 data without any prefix or so. therefor I had to change $data[1] to $data[0].
– rcpfuchs
Apr 27 '16 at 6:05
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How should one use std::optional?
...ng data:
void your_client_code(some_socket_object& socket)
{
char raw_data[1024]; // max 1024 bytes of raw data (for example)
while(socket.read(raw_data, 1024))
{
if(auto block = cache_and_get_block(raw_data))
{
// process *block here
// then ...
What is the maximum size of a web browser's cookie's key?
...s. Each browser's implementation maximum will necessarily be different, so consult individual browser documentation.
See section 5.3, "Implementation Limits", in the RFC.
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How to create a file with a given size in Linux?
...ble space but likely no where near the actual size of the file. You should consult resources about sparse files for more information as there are advantages and disadvantages to this type of file. A non-sparse file has its blocks (allocation units) allocated ahead of time which means the space is re...
Is it a good practice to use try-except-else in Python?
...... except: ... else: ... structure makes for very readable code:
try:
raw_value = int(input())
except ValueError:
value = some_processed_value
else: # no error occured
value = process_value(raw_value)
Compare to how it might work in other languages:
raw_value = input()
if valid_number(...
Escape a string for a sed replace pattern
... For cross-platform compatibility with other shells, you should consult this document regarding the replacement of sed special characters: grymoire.com/Unix/Sed.html#toc-uh-62
– Dejay Clayton
Feb 15 '14 at 1:43
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Can I extend a class using more than 1 class in PHP?
...You could however have a hierarchy as follows...
Matron extends Nurse
Consultant extends Doctor
Nurse extends HumanEntity
Doctor extends HumanEntity
HumanEntity extends DatabaseTable
DatabaseTable extends AbstractTable
and so on.
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Explanation of …
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How would you do this alert in raw javascript with jquery?
– tremor
Oct 9 '13 at 21:01
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Web-scraping JavaScript page with Python
...cript, DOM.
Therefore we need to render the javascript content before we crawl the page.
As selenium is already mentioned many times in this thread (and how slow it gets sometimes was mentioned also), I will list two other possible solutions.
Solution 1: This is a very nice tutorial on how to u...