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Django Cookies, how can I set them?
...o's session framework should cover most scenarios, but Django also now provide direct cookie manipulation methods on the request and response objects (so you don't need a helper function).
Setting a cookie:
def view(request):
response = HttpResponse('blah')
response.set_cookie('cookie_name', '...
ActiveRecord: size vs count
...
You should read that, it's still valid.
You'll adapt the function you use depending on your needs.
Basically:
if you already load all entries, say User.all, then you should use length to avoid another db query
if you haven't anything loaded, use count to ma...
How to stop event bubbling on checkbox click
...rform some Ajax action on the click event, however the checkbox is also inside a container with it's own click behaviour that I don't want to run when the checkbox is clicked. This sample illustrates what I want to do:
...
Change color of PNG image via CSS?
...NG file with filters.
body {
background-color:#03030a;
min-width: 800px;
min-height: 400px
}
img {
width:20%;
float:left;
margin:0;
}
/*Filter styles*/
.saturate { filter: saturate(3); }
.grayscale { filter: grayscale(100%); }
.contrast { filter: contrast(...
How to export table as CSV with headings on Postgresql?
...an also write a query for getting only selected column data.
COPY (select id,name from tablename) TO 'filepath/aa.csv' DELIMITER ',' CSV HEADER;
with admin privilege
\COPY (select id,name from tablename) TO 'filepath/aa.csv' DELIMITER ',' CSV HEADER;
...
When do you use map vs flatMap in RxJava?
...
Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.class);
} catch (FileNotFoundException e) {
// this exception is a part of rx-java
...
Can one AngularJS controller call another?
...ke a bad smell (?). As with the second, wouldn't the web page need to provide the $scope argument?
– BanksySan
Mar 12 '12 at 17:02
54
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Can I scroll a ScrollView programmatically in Android?
...
ScrollView sv = (ScrollView)findViewById(R.id.scrl);
sv.scrollTo(0, sv.getBottom());
or
sv.scrollTo(5, 10);
share
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What are the differences between vector and list data types in R?
...ructures is a sufficiently focused question for SO. To add to what Tommy said, besides lists being capable of holding an arbitrary number of other vectors there is the availability of dataframes which are a particular type of list that has a dimensional attribute which defines its structure. Unlike ...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...了一个上午。
无奈之下 抱着试试看的心情打算删除RAID配置 重建之后 再次安装系统
配置RAID
开机 按F2进入 Diagnostic
然后退出
进入 Legacy usb 启动画面 然后 按CRTL+H 进入到 WEBBIOS设置画面
点击 CONFIGURATION WIAZRD 配置...