大约有 40,000 项符合查询结果(耗时:0.0356秒) [XML]

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typecast string to integer - Postgres

I am importing data from a table which has raw feeds in Varchar, I need to import a column in varchar into a string column. I tried using the <column_name>::integer as well as to_number(<column_name>,'9999999') but I am getting errors, as there are a few empty fields, I need to retri...
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How do I keep two side-by-side divs the same height?

... How do you define the cell padding you actually want present in the table cell, eg padding: 7px 10px, if the padding-bottom property is set to 100%? (PS overflow:hidden was also required for me on the row) – user1063287 Mar 19 '18 at 4:23 ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...with def. The difference is due to def creating a name entry in the locals table. The resulting function has the same execution speed. Readability: Lambda functions are somewhat less readable for most Python users, but also much more concise in some circumstances. Consider converting from using ...
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NameValueCollection vs Dictionary [duplicate]

...ionary<(Of <(TKey, TValue>)>) class is implemented as a hash table. share | improve this answer | follow | ...
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ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?

... by MS11-100 temporarily mitigates a potential DoS attack involving hash table collisions. It appears this fix breaks pages that contain a lot of POST data. In our case, on pages that have very large checkbox lists. Why would this be the case? ...
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Is it possible to use the SELECT INTO clause with UNION [ALL]?

In SQL Server this inserts 100 records, from the Customers table into tmpFerdeen :- 8 Answers ...
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python list in sql query as parameter

... = [1,5,8] l = tuple(l) params = {'l': l} cursor.execute('SELECT * FROM table where id in %(l)s',params) I hope this helped !!! share | improve this answer | follow ...
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Is it possible to refresh a single UITableViewCell in a UITableView?

I have a custom UITableView using UITableViewCell s. Each UITableViewCell has 2 buttons. Clicking these buttons will change an image in a UIImageView within the cell. ...
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Colorized Ruby output to the terminal [closed]

...color modes, based on answers by Erik Skoglund and others. #outputs color table to console, regular and bold modes def colortable names = %w(black red green yellow blue pink cyan white default) fgcodes = (30..39).to_a - [38] s = '' reg = "\e[%d;%dm%s\e[0m" bold = "\e[1;%d;%dm%s\e[0m" ...
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what is the difference between GROUP BY and ORDER BY in sql

...regation functions on non-grouped columns (such as SUM, COUNT, AVG, etc). TABLE: ID NAME 1 Peter 2 John 3 Greg 4 Peter SELECT * FROM TABLE ORDER BY NAME = 3 Greg 2 John 1 Peter 4 Peter SELECT Count(ID), NAME FROM TABLE GROUP BY NAME = 1 Greg 1 John 2 Peter SELECT NAME FROM TABLE GROUP B...