大约有 19,602 项符合查询结果(耗时:0.0413秒) [XML]
How would you count occurrences of a string (actually a char) within a string?
...ed.
Also, for multicharacter substring you should use the following code (based on Richard Watson's solution)
int count = 0, n = 0;
if(substring != "")
{
while ((n = source.IndexOf(substring, n, StringComparison.InvariantCulture)) != -1)
{
n += substring.Length;
++count;
...
How do I push a new local branch to a remote Git repository and track it too?
...ght variation of the solutions already given here:
Create a local branch based on some other (remote or local) branch:
git checkout -b branchname
Push the local branch to the remote repository (publish), but make it trackable so git pull and git push will work immediately
git push -u origin HEA...
Undo changes in entity framework entities
...entity).Reload();
Accroding to MSDN:
Reloads the entity from the database overwriting any property values with values from the database. The entity will be in the Unchanged
state after calling this method.
Note that reverting through the request to database has some drawbacks:
network tr...
Syntax highlighting/colorizing cat
... to control the color.
Here's a sample script that will choose the colour based on the file type (you can use something like this instead of invoking cat directly):
#!/bin/bash
fileType="$(file "$1" | grep -o 'text')"
if [ "$fileType" == 'text' ]; then
echo -en "\033[1m"
else
echo -en "\03...
Check if list of objects contain an object with a certain attribute value
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Drop all tables whose names begin with a certain string
... modify the query to include the owner if there's more than one in the database.
DECLARE @cmd varchar(4000)
DECLARE cmds CURSOR FOR
SELECT 'drop table [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'prefix%'
OPEN cmds
WHILE 1 = 1
BEGIN
FETCH cmds INTO @cmd
IF @@...
When should I use Memcache instead of Memcached?
...rious traffic loads, do not even contemplate how to make-do with a windows based memcache.
When dealing with a very large scale (500+ front end web servers) and 20+ back end database servers and replicants (mysql & mssql mix), a farm of memcached servers (12 servers in group) supports multiple h...
How to restore the permissions of files and directories within git if they have been modified?
...index.php/ContentLimitations. The exact permissions that get set appear to based on the server & possibly the client umask as well as a config setting, see stackoverflow.com/a/12735291/125150.
– Motti Strom
Jan 9 '14 at 13:19
...
How to find the mime type of a file in python?
...ted by toivotuo is outdated. Python-magic's current trunk is at Github and based on the readme there, finding the MIME-type, is done like this.
# For MIME types
import magic
mime = magic.Magic(mime=True)
mime.from_file("testdata/test.pdf") # 'application/pdf'
...
C# binary literals
...y
}
Original Post
Since the topic seems to have turned to declaring bit-based flag values in enums, I thought it would be worth pointing out a handy trick for this sort of thing. The left-shift operator (<<) will allow you to push a bit to a specific binary position. Combine that with the a...