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How do I delete everything in Redis?
...host = args[1];
int port = Integer.valueOf(args[2]);
int dbIndex = Integer.valueOf(args[3]);
Jedis jedis = new Jedis(host, port);
int deletedKeysNumber = 0;
if(dbIndex >= 0){
deletedKeysNumber += deleteDataFromDB(jedis, keyPattern, dbIndex);
...
Print all properties of a Python Class [duplicate]
...rint for example in order of declaration, and you do not want to do it manually, check this
– Matteo A
Aug 14 '15 at 8:41
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Header files for x86 SIMD intrinsics
...
These days you should normally just include <immintrin.h>. It includes everything.
GCC and clang will stop you from using intrinsics for instructions you haven't enabled at compile time (e.g. with -march=native or -mavx2 -mbmi2 -mpopcnt -mfma ...
python .replace() regex [duplicate]
...l for what you want. I might try something like
z.write(article[:article.index("</html>") + 7]
This is much cleaner, and should be much faster than a regex based solution.
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What's the difference between the WebConfigurationManager and the ConfigurationManager?
...d in System.Configuration.
If you are getting the error
Cannot apply indexing with [] to an expression of type
'System.Configuration.ConnectionStringSettingsCollection'
while trying to access the array index...
WebConfigurationManager.ConnectionStrings["Name"].ConnectionString
make sure...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...匹配上的Group有多少组，GetMatch()则根据传递给它的Group的Index值，返回匹配上的字符串的pStart和pEnd指针，调用者有了这两个指针，自然可以很方便的得到匹配结果。
3、 一个小示例
下面这个例子来源于MSDN，演示了CATLRegExp和CAtlR...
Dictionary vs Object - which is more efficient and why?
...ots__ = ('i', 'l')
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_obj.py:
class Obj(object):
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_dict.py:
all = {}
for i in...
git undo all uncommitted or unsaved changes
... file/directory deletion,adding,modification.
2. The changes are staged in index
3. Staged changes are committed
Action for state transitioning
0->1: manual file/directory operation
1->2: git add .
2->3: git commit -m "xxx"
Check diff
0->1: git diff
0->2: git diff --cached
0->...
C#: how to get first char of a string?
...
Just MyString[0]. This uses the String.Chars indexer.
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How to set the prototype of a JavaScript object that has already been instantiated?
...n set of rules. This is currently unresolved but at least it will be officially part of JavaScript's specification.
This question is a lot more complicated than it seems on the surface, and beyond most peoples' pay grade in regards to knowledge of Javascript internals.
The prototype property of an...