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In JPA 2, using a CriteriaQuery, how to count results
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@Barett if it's a rather large count you probably don't want to load a list of hundreds or thousands of entities into memory just to find out how many there are!
– Affe
Dec 10 '12 at 6:31
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What does -save-dev mean in npm install grunt --save-dev
...l appear in your devDependencies.
According to the npm install docs.
If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external test or documentation framework that you use.
In other words, when you r...
How do I get the path of the Python script I am running in? [duplicate]
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I like how your answer shows a lot of different variations and features from python to solve the question.
– Jeremy L
Feb 27 '09 at 15:54
125
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How to create a backup of a single table in a postgres database?
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with a slightly different sudo twist to this I ended up with a permission error on the file dump (logical enough since user postgres does not have write access on my directories) and I had an unknown flag error for --ignore-version. Prashan...
How do I start a program with arguments when debugging?
...ant to debug a program in Visual Studio 2008. The problem is that it exits if it doesn't get arguments. This is from the main method:
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Add only non-whitespace changes
... is the alias I made for the exact same problem:
alias.addnw=!sh -c 'git diff -U0 -w --no-color "$@" | git apply --cached --ignore-whitespace --unidiff-zero -'
Or you can simply run:
git diff -U0 -w --no-color | git apply --cached --ignore-whitespace --unidiff-zero -
Update
Added options -U0,...
How to initialize std::vector from C-style array?
...It's a quality of implementation issue. Since iterators have tags that specify their categories, an implementation of assign is certainly free to use them to optimize; at least in VC++, it does indeed do just that.
– Pavel Minaev
Mar 14 '10 at 1:33
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Keyboard shortcuts with jQuery
How can I wire an event to fire if someone presses the letter g ?
12 Answers
12
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What is the difference between the hidden attribute (HTML5) and the display:none rule (CSS)?
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The key difference seems to be that hidden elements are always hidden regardless of the presentation:
The hidden attribute must not be used to hide content that could legitimately be shown in another presentation. For example, it ...
MVC 4 Razor File Upload
...he files in Request.Files:
[HttpPost]
public ActionResult Upload()
{
if (Request.Files.Count > 0)
{
var file = Request.Files[0];
if (file != null && file.ContentLength > 0)
{
var fileName = Path.GetFileName(file.FileName);
...