truncate

问题 When a float number needs to be truncated to a certain digit after the floating point, it turns out that it is not easy to be done. For example if the truncating has to be done to second digit after the point, the numbers should be 45.8976 => 45.89, 0.0185 => 0.01 ( second digit after the point is not rounded according to the third digit after the point ). Functions like round() , number_format() , sprintf() round the number and print out 45.8976 => 45.90, 0.0185 => 0.02 I have met two

问题 How do I fit long text into a fixed width column where I have room for only one line of text? The text needs to be cut to a fixed width (lets say to 100px) and I would like to add dots "..." at the end. Something like this for example: Given string: Some really long string that I need to fit in there! Desired output in fixed-width-column should be: Some really long string... 回答1: You can do this with CSS alone: .box { -o-text-overflow: ellipsis; /* Opera */ text-overflow: ellipsis; /* IE,

问题 I have current variable php: $latlng = "<a href='http://www.google.com/maps/place/".$lat.",".$lng."/@".$lat.",".$lng.",".$zoom."' target='_blank'>Lat ".$lat." Lng ".$lng."</a>"; echo output is as following example: i want truncate it so at end i want have following result: I have tried following code but it cut only final part: $cut_string = substr($latlng,0,strpos($latlng,'</a>')-12); echo "$cut_string <br/>\r\n"; Thanks 回答1: I think I understand your problem. You want the link with full

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 2 years ago . I have created an image of my sd card containing raspbian using the dd tool. This gave me a 16,09 GB big image file. The actual data on there is about 5gb, and I want to truncate it so I can store/clone it onto a 8gb sd card. All help results I found required Linux to do this (tools like resize2fs doesn't appear

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 2 years ago . I have created an image of my sd card containing raspbian using the dd tool. This gave me a 16,09 GB big image file. The actual data on there is about 5gb, and I want to truncate it so I can store/clone it onto a 8gb sd card. All help results I found required Linux to do this (tools like resize2fs doesn't appear

问题 This is the sql i'm using based from this answer: SET @pattern = '%_movielist'; SELECT concat('TRUNCATE TABLE ', GROUP_CONCAT(concat(TABLE_NAME)), ';') INTO @truncatelike FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME LIKE @pattern; SELECT @truncatelike; PREPARE stmt FROM @truncatelike; EXECUTE stmt; DEALLOCATE PREPARE stmt; but I get this error Access denied for user 'root'@'%' to database 'information_schema' . What am I doing wrong? It seems to work for other users 回答1: You trying to

问题 have a solr configured for french content. Search is fine, but when i activate facet search, words are truncated in a special way. All e disappear, for eg automobil instead of automobile, montagn instead of montagne, styl instead of style , homm => homme etc.... <lst name="keywords"> <int name="automobil">1</int> <int name="citroen">1</int> <int name="minist">0</int> <int name="polit">0</int> <int name="pric">0</int> <int name="shinawatr">0</int> <int name="thailand">0</int> </lst here is the

问题 I'm looking for a query (or series of) to TRUNCATE all tables in my schema (which has a few hundred tables) EXCEPT for a 4 specific ones. How might I go about doing that? Thanks! 回答1: I believe you'll have to write a script in whatever language you like the most. You can get a list of the tables in the schema from the information_schema db, then iterate over them, truncating any that you feel like. Query would be something like: SELECT table_name FROM information_schema.tables WHERE table

问题 I have a stored procedure that writes results to a Result table. How do you truncate / erase a table from within a stored procedure? example call peformTest() truncate TestResultTable; //do stuff with new data to insert into TestResultTable end 回答1: If you want to remove all data from the table, then your syntax is correct: truncate testResultTable; or truncate table testResultTable; Depending on your specific needs, if you need to get rid of the table correctly and then re-create it, you can

问题 Code to create sample dataframe: Sample = [{'account': 'Jones LLC', 'Jan': 150, 'Feb': 200, 'Mar': [[.332, .326], [.058, .138]]}, {'account': 'Alpha Co', 'Jan': 200, 'Feb': 210, 'Mar': [[.234, .246], [.234, .395], [.013, .592]]}, {'account': 'Blue Inc', 'Jan': 50, 'Feb': 90, 'Mar': [[.084, .23], [.745, .923], [.925, .843]]}] df = pd.DataFrame(Sample) Sample Dataframe visualized: df: account Jan Feb Mar Jones LLC | 150 | 200 | [.332, .326], [.058, .138] Alpha Co | 200 | 210 | [[.234, .246], [