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Solving a “communications link failure” with JDBC and MySQL [duplicate]

... TOMCAT6_SECURITY=no use validationQuery property use validationQuery="select now()" to make sure each query has responses AutoReconnect Add this code to your connection string: &autoReconnect=true&failOverReadOnly=false&maxReconnects=10 Although non of these solutions worke...
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How to branch with TortoiseHG

... Before commiting, click on Branch button (see image), Then select a branch or create a new one (by typing where you select the branches). See the image here share | improve this ans...
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Calculate the number of business days between two dates?

...I changed the last loop for a Linq statement: businessDays -= bankHolidays.Select(bankHoliday => bankHoliday.Date).Count(bh => firstDay <= bh && bh <= lastDay); – JoanComasFdz Nov 23 '12 at 8:40 ...
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How do I change the color of the text in a UIPickerView under iOS 7?

...IColor whiteColor]}]; return attString; } If you want to change the selection bar colors as well, I found that I had to add 2 separate UIViews to the view containing the UIPickerView, spaced 35 pts apart for a picker height of 180. Swift 3: func pickerView(_ pickerView: UIPickerView, attrib...
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How to remove the URL from the printing page?

...e same way in other browsers also). Click on Firefox menu , Go to Print , Select Page Set Up from sub menu of Print. A pop will come up on your screen, there go to "Margin & Header /Footer" tab. In that select "BLANK" for header / footer as per requirement before printing. You can check the ...
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Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...

...lor結果顯示在Canvas上,會是一個相當大的負整數後續使用select list item 去解出來之後就會是 0~255 的整數了。Ball 移動到觸碰點位置使用select list item 搭配 split 指令去分別取得該點的紅色、綠色與藍色值,顯示於Label上即可。 [color...
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How to remove elements from a generic list while iterating over it?

... Select the elements you do want rather than trying to remove the elements you don't want. This is so much easier (and generally more efficient too) than removing elements. var newSequence = (from el in list ...
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Best Practice: Access form elements by HTML id or name attribute?

... restrictions on the value of the name attribute, so e.g. you can have <select name="a+b"> or <input type="text" name="...2">, which can't be referenced using javascript .propertyName notation). Explicit [] notation also allows names built from expressions, e.g. myCheckBox = document.ge...
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jQuery attr vs prop?

...ns (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like: var elem = $("#foo")[0]; if ( elem ) { index = elem.selectedIndex; } That sucked, so prop was added: index = $("#foo").prop("selectedIndex"); This was great, bu...
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How can I troubleshoot my Perl CGI script?

...rather than being buffered. You have to set this for each filehandle. Use select to change the default filehandle, like so: $|++; #sets $| for STDOUT $old_handle = select( STDERR ); #change to STDERR $|++; #sets $| for STDERR select( $old_hand...