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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...the same. The names part is a gotcha. This example won't compile even if all columns are varchars join T2 in db.tbl2 on new { T1.firstName, T1.secondName } equals new { T2.colFirst, T2.colSecond }. If you change it to this, it will compile however, join T2 in db.tbl2 on new { N1 = T1.firstName, N...
str performance in python
...; import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (100000)
6 CALL_FUNCTION 1
9 RETURN_VALUE
>>> dis.dis(lambda: '%s' % 100000)
9 0 LOAD...
Recommended way to save uploaded files in a servlet application
...e server's work folder get synced with last updates (this is in IDE terms called "publishing"). This is the main cause of the problem you're seeing.
In real world code there are circumstances where storing uploaded files in the webapp's deploy folder will not work at all. Some servers do (either by...
How to force the browser to reload cached CSS/JS files?
...write if there are exactly 10 digits at the end. (Because 10 digits covers all timestamps from 9/9/2001 to 11/20/2286.)
First, we use the following rewrite rule in .htaccess:
RewriteEngine on
RewriteRule ^(.*)\.[\d]{10}\.(css|js)$ $1.$2 [L]
Now, we write the following PHP function:
/**
* Give...
Declare and Initialize String Array in VBA
...
Dim myStringArray() As String
*code*
redim myStringArray(size_of_your_array)
Then you can do something static like this:
myStringArray = { item_1, item_2, ... }
Or something iterative like this:
Dim x
For x = 0 To size_of_your_array
myStringArray(x) = data_source(x).Name
Nex...
Cannot highlight all occurrences of a selected word in Eclipse
...C/C++ Write occurrences. But still when I select a word it won't highlight all occurrences of that specific word.
12 Answer...
Shell command to sum integers, one per line?
...
just used this for a: count all documents’ pages script: ls $@ | xargs -i pdftk {} dump_data | grep NumberOfPages | awk '{s+=$2} END {print s}'
– flying sheep
Jul 10 '13 at 14:42
...
Creating Unicode character from its number
... So you need to be absolutely sure ahead of time that your value of c is smaller than 0x10000, or else this approach will break horribly.
– David Given
Mar 13 '12 at 22:29
1
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How to check if a process id (PID) exists
...process is not owned by the running user, you may not have permissions to call kill -0. Better to use ps -p $PID > /dev/null 2>&1, which allows you to see process status, even if you do not have permissions to send a signal.
– mckoss
Apr 1 '12 at 16:...
Why em instead of px?
...something else like the size of the browser window or the font size.
Like all the other absolute units, px units don't scale according to the width of the browser window. Thus, if your entire page design uses absolute units such as px rather than %, it won't adapt to the width of the browser. This...