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Locking a file in Python
...cessed from multiple Python processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
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为什么大数据也不能帮你摆脱单身狗的命运？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...立长期关系(only 5 percent of Americans in long-term partnerships met online. )
那个报告说了几点有意思的，个性习惯的相同对健康的两性关系也没啥帮助。就算算法再复杂，也对找到合适对象没多少帮助，除非你把可能遇见的人数增加。
但...
How to send a message to a particular client with socket.io
...ans up the room
this way you send messages just to that room and only to online (connected) users (less packages sent throughout the server).
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How to study design patterns? [closed]
...m just reading about them. Take some sample implementations that you find online and build up around them.
A great resource is the Data & Object Factory page. They go over the patterns, and give you both conceptual and real world examples. Their reference material is great, too.
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How can I shift-select multiple checkboxes like GMail?
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It seems like every answer I can find online is completely dependent on jQuery for this. JQuery adds very little functionality. Here's a quick version that doesn't require any frameworks:
function allow_group_select_checkboxes(checkbox_wrapper_id){
var lastC...
Windows recursive grep command-line
... of word
For full information on FINDSTR regular expressions refer to the online Command
Reference.
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Similarity String Comparison in Java
...wn. Below you'll find an example implementation.
Working example:
See online demo here.
public class StringSimilarity {
/**
* Calculates the similarity (a number within 0 and 1) between two strings.
*/
public static double similarity(String s1, String s2) {
String longer = s1, s...
Why is vertical-align: middle not working on my span or div?
... browser prefixed with autoprefixer github.com/postcss/autoprefixer or via online demo simevidas.jsbin.com/gufoko/quiet
– starikovs
Jan 22 '15 at 13:46
2
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Finding out whether a string is numeric or not
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With minus sign: "^-?\d+$"
The regular expression can be checked in the online web site.
The helper function is as following.
// Validate the input string with the given pattern and
// return the result as a boolean
- (BOOL)validateString:(NSString *)string withPattern:(NSString *)pattern
{
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leiningen - how to add dependencies for local jars?
...e maven with Clojure. As I recall, Meikel Brandmeyer (also on SO under his online handle of kotarak) uses Gradle (a Groovy build system) with a plugin to accomodate Clojure called Clojuresque; I never tried it myself, as don't know the first thing about Groovy, but he claims to run a very nice build...