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Remove Primary Key in MySQL
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One Line:
ALTER TABLE `user_customer_permission` DROP PRIMARY KEY , ADD PRIMARY KEY ( `id` )
You will also not lose the auto-increment and have to re-add it which could have side-effects.
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Google Maps API v3: How to remove all markers?
...dMarker manually.
Pros
Doing this way you keep the code compact and in one place (doesn't pollute the namespace).
You don't have to keep track of the markers yourself anymore you can always find all the markers on the map by calling map.getMarkers()
Cons
Using prototypes and wrappers like I ...
How to test if one java class extends another at runtime?
...wered Aug 17 '10 at 16:50
Tim StoneTim Stone
18.7k66 gold badges5454 silver badges6666 bronze badges
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How can I use a batch file to write to a text file?
I need to make a script that can write one line of text to a text file in the same directory as the batch file.
7 Answers
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Does PHP have threading?
...g available that I'm aware of. The next best thing would be to simply have one script execute another via CLI, but that's a bit rudimentary. Depending on what you are trying to do and how complex it is, this may or may not be an option.
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How do I update a Python package?
...e names.
Then, the $(...) will make it a variable and then, everything is done auto matically. Make sure you have the permissions. (Just put sudo before pip if you're confused)
I would write a script named, pip-upgrade
The code is bellow,
#!/bin/bash
sudo pip install $(pip list --outdated | awk '{ ...
Injecting content into specific sections from a partial view ASP.NET MVC 3 with Razor View Engine
... design. You may use some custom helpers to achieve similar behavior, but honestly it's the view's responsibility to include the necessary scripts, not the partial's responsibility. I would recommend using the @scripts section of the main view to do that and not have the partials worry about scripts...
How does strtok() split the string into tokens in C?
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strtok() divides the string into tokens. i.e. starting from any one of the delimiter to next one would be your one token. In your case, the starting token will be from "-" and end with next space " ". Then next token will start from " " and end with ",". Here you get "This" as output. Sim...
Importing Maven project into Eclipse
...nt to import existing maven project into eclipse. I found 2 ways to do it, one is through running from command line mvn eclipse:eclipse and another is to install maven eclipse plugin from eclipse. What is the difference between the both and which one is preferable?
The maven-eclipse-plugin is a Ma...
How do I get the Git commit count?
... -Ev '^[ ]+\w+') and seeing that e.g. commits with no message (i.e., "<none>") are not counted. Using git rev-list HEAD --count is both more succinct and more accurate.
– ctrueden
Mar 1 '13 at 22:55
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