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Static extension methods [duplicate]
....Parse(..)
vs.
Helper.ParseBool(..);
Doesn't really bring much to the table...
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Remove characters except digits from string using Python?
...digs)
'1233344554552'
>>>
string.maketrans makes a translation table (a string of length 256) which in this case is the same as ''.join(chr(x) for x in range(256)) (just faster to make;-). .translate applies the translation table (which here is irrelevant since all essentially means iden...
jQuery Ajax File Upload
...total;
var progress_bar_id = "#progress-wrp";
if (event.lengthComputable) {
percent = Math.ceil(position / total * 100);
}
// update progressbars classes so it fits your code
$(progress_bar_id + " .progress-bar").css("width", +percent + "%");
$(progress_bar_id + " .st...
Text size and different android screen sizes
...ve been deprecated since Android 3.2 in favor of the following:
Declaring Tablet Layouts for Android 3.2
For the first generation of tablets running Android 3.0, the proper
way to declare tablet layouts was to put them in a directory with the
xlarge configuration qualifier (for example, res...
LINQ to Entities does not recognize the method
...ect(iv => iv.ITEMNMBR.Trim()).ToList();
I added a .ToList() before my table, this decouple the Entity and linq code, and avoid my next linq expression be translated
NOTE: this solution isn't optimal, because avoid entity filtering, and simply loads all table into memory
...
Execute SQLite script
...script, I think this works well:
$ sqlite3 example.db 'SELECT * FROM some_table;'
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...务门描述符）-- 在 64 位模式下无效
interrupt descriptor table（中断描述符表）：用于存在 gate descriptor 的表格
在 32 位保护模式下，每个 gate descriptor 是 8 bytes 宽，在 64 位模式下 gate descriptor 被扩充为 16 bytes, 同时 64 位模式下不...
What is the PostgreSQL equivalent for ISNULL()
...
Use COALESCE() instead:
SELECT COALESCE(Field,'Empty') from Table;
It functions much like ISNULL, although provides more functionality. Coalesce will return the first non null value in the list. Thus:
SELECT COALESCE(null, null, 5);
returns 5, while
SELECT COALESCE(null, 2, 5);...
Can I force a page break in HTML printing?
I'm making a HTML report that is going to be printable, and it has "sections" that should start in a new page.
10 Answers
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EC2 Can't resize volume after increasing size
...sired new space (if empty the whole space is reserved)
Hit a to make it bootable
Hit 1 and w to write changes
Reboot instance OR use partprobe (from the parted package) to tell the kernel about the new partition table
Log via SSH and run resize2fs /dev/xvde1
Finally check the new space running df -h...