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Create array of regex matches
...
Set<String> keyList = new HashSet();
Pattern regex = Pattern.compile("#\\{(.*?)\\}");
Matcher matcher = regex.matcher("Content goes here");
while(matcher.find()) {
keyList.add(matcher...
How to shuffle a std::vector?
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If you are using boost you could use this class (debug_mode is set to false, if you want that the randomizing could be predictable beetween execution you have to set it to true):
#include <iostream>
#include <ctime>
#include <boost/random/mersenne_twister.hpp>
#include...
Maximum on http header values?
...estrict header size.
A server that receives a request header field, or set of fields,
larger than it wishes to process MUST respond with an appropriate 4xx
(Client Error) status code. Ignoring such header fields would
increase the server's vulnerability to request smuggling attac...
Makefiles with source files in different directories
...../src1/somefile2.cpp \
../src2/somefile3.cpp \
I can then set VPATH this way:
VPATH := ../src1:../src2
Then I build the objects:
COMMON_OBJS := $(patsubst %.cpp, $(ObjDir)/%$(ARCH)$(DEBUG).o, $(notdir $(COMMON_SRC)))
Now the rule is simple:
# the "common" object files
$(ObjDi...
Can I stretch text using CSS?
...form-origin to make the text scale from the top of the line.
margin-bottom set to a negative value, so that the next line will not be far below - preferably percentage, so that we won't change the line-height property.
vertical-align set to top, to prevent the text before or after from floating to o...
XPath query to get nth instance of an element
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
POST request send json data java HttpUrlConnection
...coding problems, you should specify the encoding, if it is not UTF-8:
con.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
con.setRequestProperty("Accept", "application/json");
// ...
OutputStream os = con.getOutputStream();
os.write(parent.toString().getBytes("UTF-8"));
os....
Max retries exceeded with URL in requests
...etry while I got requests.exceptions.ConnectionError Read timed out. but I set a timeout for the get request.
– Zagfai
Apr 24 at 14:09
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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...ded to have] a minimum of
2GB of swap space.
Compare your /proc/sys/vm settings to a plain CentOS 5.3 installation. Add a swap file. Ratchet down swappiness and see if you live any longer.
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Header files for x86 SIMD intrinsics
...header files provide the intrinsics for the different x86 SIMD instruction set extensions (MMX, SSE, AVX, ...)? It seems impossible to find such a list online. Correct me if I'm wrong.
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