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How do I set bold and italic on UILabel of iPhone/iPad?
...t {
return with([.traitBold, .traitItalic])
}
func with(_ traits: UIFontDescriptor.SymbolicTraits...) -> UIFont {
guard let descriptor = self.fontDescriptor.withSymbolicTraits(UIFontDescriptor.SymbolicTraits(traits).union(self.fontDescriptor.symbolicTraits)) else {
...
Python: Checking if a 'Dictionary' is empty doesn't seem to work
...sing the first way only though. The other two ways are way too wordy.
test_dict = {}
if not test_dict:
print "Dict is Empty"
if not bool(test_dict):
print "Dict is Empty"
if len(test_dict) == 0:
print "Dict is Empty"
...
What is the difference between #import and #include in Objective-C?
...tions asked.
So if you have a file a.h with this contents:
typedef int my_number;
and a file b.c with this content:
#include "a.h"
#include "a.h"
the file b.c will be translated by the preprocessor before compilation to
typedef int my_number;
typedef int my_number;
which will result in a c...
Watch multiple $scope attributes
...bject in scope.
$scope.$watchGroup(
[function () { return _this.$scope.ViewModel.Monitor1Scale; },
function () { return _this.$scope.ViewModel.Monitor2Scale; }],
function (newVal, oldVal, scope)
{
if (newVal != oldVal) {
...
How do I check if a string is unicode or ascii?
... it raises a UnicodeDecodeError exception, it wasn't valid.
>>> u_umlaut = b'\xc3\x9c' # UTF-8 representation of the letter 'Ü'
>>> u_umlaut.decode('utf-8')
u'\xdc'
>>> u_umlaut.decode('ascii')
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
...
The usage of the two methods is slightly different:
@Html.Partial("_yourPartialView")
@{ Html.RenderPartial("_yourPartialView "); }
The choice of which to use depends on your requirements. If you need
to further manipulate the string being injected in the response
stream, you shoul...
Navigation in django
...f to do that, have a look at the following code:
tags.py
@register.simple_tag
def active(request, pattern):
import re
if re.search(pattern, request.path):
return 'active'
return ''
urls.py
urlpatterns += patterns('',
(r'/$', view_home_method, 'home_url_name'),
(r'/se...
How to unit test a Node.js module that requires other modules and how to mock the global require fun
...ll of your code is going to get the same object back when you require('some_module'), because all of your code shares the same node_modules dir. Second, the article is conflating namespace with singletons, which is sort of orthogonal. Third, that article is pretty darn old (as far as node.js is co...
新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...x open files等；App Level的优化如Java运行环境版本的选择，ES_HEAP_SIZE的设置，修改bulk index的queue size等，另外还设置了默认的index template，目的是更改默认的shard，replica数并将string改为not_analyzed，开启doc_values以应对elasticsearch进程OOM...
Batch Renaming of Files in a Directory
...n-hidden file in the current directory
import os
[os.rename(f, f.replace('_', '-')) for f in os.listdir('.') if not f.startswith('.')]
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