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How to use a class from one C# project with another C# project

...Explorer' tree, expand the P2 project and then right-click the project and select 'Add Reference' from the menu. On the 'Add Reference' dialog, select the 'Projects' tab and select your P1 project. If you are using namespaces then you will need to import the namespaces for your P1 types by adding ...
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How do I specify unique constraint for multiple columns in MySQL?

... For those people using MySQL workbench: go to the Indexes tab and select UNIQUE as your type. Give your index a name and check the appropriate columns under the section "Index Columns" – Pakman Jun 3 '13 at 20:42 ...
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Where to put include statements, header or source?

...g. typedef union { unsigned long l; unsigned short lw[2]; unsigned char lb[4]; } U_QUAD; (Yes, I know I'd be in trouble if I moved to a big-endian architecture, but since my compiler doesn't allow anonymous structs in unions, using named identifiers for the bytes within the union would req...
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Tracking CPU and Memory usage per process

...tility to save the performance data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the System Monitor console which provides us with the above mentioned counters. If it is not there, click "File" > "Add/remove snap-in", click ...
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SQLite - How do you join tables from different databases?

...s with keyword .databases Then you should be able to do the following. select * from db1.SomeTable a inner join db2.SomeTable b on b.SomeColumn = a.SomeColumn; Note that "[t]he database names main and temp are reserved for the primary database and database to hold temporary tables a...
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How can I check that a form field is prefilled correctly using capybara?

...ld('Your name').value).to eq 'John' EDIT: Nowadays I'd probably use have_selector expect(page).to have_selector("input[value='John']") If you are using the page object pattern(you should be!) class MyPage < SitePrism::Page element :my_field, "input#my_id" def has_secret_value?(value) ...
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Convert from enum ordinal to enum type

...diamonds and clubs! A C programmer would allocate 1 byte for each: 'const char CLUBS=0;' etc... Yes,a HashMap lookup is O(1), but the memory and CPU overhead of a HashMap, in this case make it many orders of magnitude slower and resource hungry than calling .values() directly! No wonder Java is suc...
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Change limit for “Mysql Row size too large”

...rows of your tables plus the length of other variable length fields (VARCHAR, VARBINARY, and TEXT type fields). In my situation the offending blob table was around 16MB. Thus, the way I solved it was by adding a line to my.cnf that ensured I had at least 10x that amount and then some: innodb_l...
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How to trick an application into thinking its stdout is a terminal, not a pipe

...lt;&- script -qfc "git status" /dev/null | less -R . Those first few characters close stdin for this one commmand. – Aaron McDaid Nov 26 '14 at 13:54 ...
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Html List tag not working in android textview. what can i do?

... Instead of using the pasted bullet character, it may be better to use the unicode character: output.append("\n\t\u2022"); – Matt McMinn Mar 10 '13 at 17:14 ...