大约有 47,000 项符合查询结果（耗时：0.0672秒） [XML]
Better way to cast object to int
... to signify a Nullable<int>. The "as" operator works like Convert.To____(), but think TryParse() rather than Parse(): it returns null rather than throwing an exception if the conversion fails.
Of these, I would prefer (int) if the object really is just a boxed integer. Otherwise use Conver...
Meaning of $? (dollar question mark) in shell scripts
.../drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I can just say if [ $drupa...
How to fix Git error: object file is empty?
... the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories:
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full
Checking object directories: 100% (256/256)...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...ith something like map or collect would be built in, and nobody has to see all the hoops the compiler has to go through to make them work smoothly. In Scala, it's all in a library, and therefore out in the open.
In fact the functionality of map that's supported by its complicated type is pretty adv...
MySQL case insensitive select
...ble statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
– gregthegeek
Mar 19 '14 at 18:56
...
How to identify all stored procedures referring a particular table
...efreing this table. Now I have have to drop this table as well as identify all sp's which are referring this table. I am facing difficulty to find list of all sp's. Please suggest some query by assuming that the table name is 'x' and database is sql server 2005.
...
Continuous Integration for Ruby on Rails? [closed]
...he results. I came from a .NET shop that used CruiseControl.NET and was really spoiled with its ease of use and rich status/reporting.
...
How do you check in python whether a string contains only numbers?
....isdigit():
From the isdigit documentation:
str.isdigit()
Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers ...
What are all the escape characters?
I know some of the escape characters in Java, e.g.
4 Answers
4
...
When to use static classes in C# [duplicate]
...lity either before or after the old method, we can create a new class and call the old one inside of it - but that's just gross.
Interface woes
Static methods cannot be defined through interfaces for logic reasons. And since we can't override static methods, static classes are useless when we need...