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Difference between string and text in rails?
... load varchar in one go, but store text (and blob) outside of the table. A SELECT name, amount FROM products could, be a lot slower when using text for name than when you use varchar. And since Rails, by default loads records with SELECT * FROM... your text-columns will be loaded. This will probably...
json_encode is returning NULL?
...tf8 encoding: try to put mysql_query('SET CHARACTER SET utf8') before your SELECT query.
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How can I post an array of string to ASP.NET MVC Controller without a form?
...C and JQuery, and one of the pages is a list of items in which some can be selected. Then I would like to press a button and send a List (or something equivalent) to my controller containing the ids of the items that were selected, using JQuery's Post function.
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Choosing Mobile Web HTML5 Framework [closed]
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BEWARE of non-native select boxes in jQuery Mobile. They will kill your phone's memory.
– Jason Sebring
Feb 27 '12 at 0:48
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What difference does .AsNoTracking() make?
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Can we get the same benefits for anonymous classes in select query, such as context.Users.Select(u=> new { Name = u.Name })? Thanks.
– Dilhan Jayathilake
Feb 6 '17 at 23:33
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Set transparent background using ImageMagick and commandline prompt
...background color. I just flood fill the background with transparency, then select the alpha channel and blur it and remove half of the blurred area using -level 50x100%. Then turn back on all the channels and flatten it against the brown color. The -blur 0x1 -level 50x100% acts to antialias the bou...
How do I access the host machine from the guest machine? [closed]
...ne via NAT;
Right click the network icon in the VM window (bottom-right)
Select "NAT"
Select "Connect"
Wait for the guest OS reconnect to the network
Then, In the Guest OS;
Click Start > Network > Network & Sharing Center
Click "View Status" next to the network connection
Click "Deta...
Read Excel File in Python
...ues for a given column
values = df['Arm_id'].values
#get a data frame with selected columns
FORMAT = ['Arm_id', 'DSPName', 'Pincode']
df_selected = df[FORMAT]
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“The breakpoint will not currently be hit. The source code is different from the original version.”
...was just build for x86 in that dialog, while my local machine is x64! So I selected the Any CPU option and it works again.
– JP Hellemons
Jul 11 '12 at 7:28
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How can I get the corresponding table header (th) from a table cell (td)?
...your_td.parentNode.children, your_td)
var corresponding_th = document.querySelector('#your_table_id th:nth-child(' + (index+1) + ')')
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