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How to query nested objects?
...ndividual fields in the subdocument:
Equality matches within subdocuments select documents if the subdocument matches exactly the specified subdocument, including the field order.
In the following example, the query matches all documents where the value of the field producer is a subdocument tha...
How to set breakpoints in inline Javascript in Google Chrome?
...e directory tree underneath it (with the up and down arrow in it), you can select the file you want to debug. You can get out of an error by pressing resume on the right-hand side of the same tab.
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dynamically add and remove view to viewpager
...gram. hope this would help you.In its first activity four grid data can be selected. On the next activity, there is a view pager which contains two mandatory pages.And 4 more pages will be there, which will be visible corresponding to the grid data selected.
Following is the mainactivty
MainActivi...
How to check if a user likes my Facebook Page or URL using Facebook's API
... var user_id = response.authResponse.userID;
var fql_query = "SELECT uid FROM page_fan WHERE page_id = "+page_id+"and uid="+user_id;
FB.Data.query(fql_query).wait(function(rows) {
if (rows.length == 1 && rows[0].uid == user_id) {
console...
Combining CSS Pseudo-elements, “:after” the “:last-child”
...this reason: the last-child is a modifier on the li, and then after you've selected all li elements that are last children you then select (and implicitly create) a new element before and after each.
– Martin Atkins
Nov 15 '11 at 14:52
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...exactly the situation we are in here.
Moving on:
A single method M is selected corresponding to a method invocation of the form E(A) [...] The argument list A is a list of expressions, each classified as a variable [...] of the corresponding parameter in the formal-parameter-list of D.
OK. So...
Loop through all the resources in a .resx file
...et.OfType<DictionaryEntry>(). Using LINQ allows you, for example, to select resources based on their index (int) instead of key (string):
ResourceSet resourceSet = Resources.ResourceManager.GetResourceSet(CultureInfo.CurrentUICulture, true, true);
foreach (var entry in resourceSet.OfType<D...
How to join (merge) data frames (inner, outer, left, right)
...s these operations in SQL.
library(sqldf)
## inner join
df3 <- sqldf("SELECT CustomerId, Product, State
FROM df1
JOIN df2 USING(CustomerID)")
## left join (substitute 'right' for right join)
df4 <- sqldf("SELECT CustomerId, Product, State
FROM df1...
Run a batch file with Windows task scheduler
...cepted answer, making sure that "run with the highest privileges" are also selected.
– mheavers
Dec 28 '15 at 16:05
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AI助手重构版问题记录 - AI 助手 - 清泛IT社区,为创新赋能!
...ValueLabel.Text","value":{"join":[{"dict_lookup":{"key": "temp_C","dict":{"select_item":{"list":{"dict_lookup":{"key": "current_condition","dict":{"get_var": "weatherData"},"default_val":{"list":[]}}},"index": 0}},"default_val": "--"}},"°C"]}},{"set_prop": "WeatherValueLabel.Text","value":{"dict_lo...
