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问题 I follow this tutorial to add search to my Expo (React Native) app. After the last step I have this mistake:photo. What should I do? This is the part of the program. This is one of my navigation screens, where I have links for other screens: function InfoScreen({ navigation }) { return ( <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}> <Button title="Go back" onPress={() => navigation.goBack()} /> <View style={styles.container_new}> <Text style={styles.text}>Basic

问题 I have two list of names (strings) that look like this: executives = ['Brian Olsavsky', 'Some Guy', 'Some Lady'] analysts = ['Justin Post', 'Some Dude', 'Some Chick'] I need to find where those names occur in a list of strings that looks like this: str = ['Justin Post - Bank of America', "Great. Thank you for taking my question. I guess the big one is the deceleration in unit growth or online stores.", "I know it's a tough 3Q comp, but could you comment a little bit about that?", 'Brian

问题 Hi guys I have an extended question from this thread I need to find some files given file name and use grep on the last lines of these files to find a certain string. I currently have: find my_dir/ -name "*filename*" | xargs grep 'lookingfor' I'm new to using these commands so much help would be appreciated. Thank you in advance. 回答1: You can for example do: find my_dir/ -name "*filename*" -exec sh -c "tail -200 {} | grep lookingfor" \; setting 200 to the number of last lines you want. 回答2: I

问题 Hi guys I have an extended question from this thread I need to find some files given file name and use grep on the last lines of these files to find a certain string. I currently have: find my_dir/ -name "*filename*" | xargs grep 'lookingfor' I'm new to using these commands so much help would be appreciated. Thank you in advance. 回答1: You can for example do: find my_dir/ -name "*filename*" -exec sh -c "tail -200 {} | grep lookingfor" \; setting 200 to the number of last lines you want. 回答2: I

问题 Is there a way to check if an instance of a specific data type is present in a list / dictionary, without explicitly checking every element / key? I suspect the answer is no. If it does exist, though, I imagine it would be similar to the way you can use the in operator to search for specific elements / keys, like this: 3 in [1, 2, 3] # => True except you'd be checking for an instance of a data type rather than a some specific value, like this: int in [1,"a", 3.4] # => True Any ideas? 回答1:

问题 I'm new in C++ and i need to search the drives for a specific file and display them or list them in a listbox. Here's what i have so far. Some bits and pieces i found in the forums and stuff i have added. My question is how do i put them together. Lets say i'm searching for a file called "test.txt" Thanks! // search for drives char* szSingleDrive; DWORD dwSize = MAX_PATH; char szLogicalDrives[MAX_PATH] = { 0 }; DWORD dwResult = GetLogicalDriveStrings(dwSize, szLogicalDrives); UINT

问题 I have added search url to i18n_patterns , but the language switcher doesn't work on that page. urls.py: urlpatterns += i18n_patterns( path("search/", search_views.search, name="search"), path("", include(wagtail_urls)), ) language switcher: {% get_available_languages_wmt as languages %} <div class="nav-item dropdown float-right"> <p class="nav-link dropdown-toggle m-auto" data-toggle="dropdown" role="button" aria-expanded="false"> {{ request.LANGUAGE_CODE|upper }}</p> <div class="dropdown

问题 I am using the official Elasticsearch-PHP client installed on a personal Debian server, and what I am trying to do involves indexing, searching and highlighting individual documents. i.e. each search result will only return one document - which will then be highlighted for "simple query string" searches. I am also using FVH (fast vector highlighting). My question is similar to this one Position as result, instead of highlighting and the test code is basically the same so I won't repeat that

问题 I'm new in C++ and i need to search the drives for a specific file and display them or list them in a listbox. Here's what i have so far. Some bits and pieces i found in the forums and stuff i have added. My question is how do i put them together. Lets say i'm searching for a file called "test.txt" Thanks! // search for drives char* szSingleDrive; DWORD dwSize = MAX_PATH; char szLogicalDrives[MAX_PATH] = { 0 }; DWORD dwResult = GetLogicalDriveStrings(dwSize, szLogicalDrives); UINT

问题 Background Suppose you wish to find a partial text from a formatted phone number, and you wish to mark the finding. For example, if you have this phone number: "+972 50-123-4567" , and you search for 2501 , you will be able to mark the text within it, of "2 50-1". More examples of a hashmap of queries and the expected result, if the text to search in is "+972 50-123-45678", and the allowed characters are "01234567890+*#" : val tests = hashMapOf( "" to Pair(0, 0), "9" to Pair(1, 2), "97" to