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Find substring in the string in TWIG
I want to find substring of the string or check if there is no such substring using Twig. On the words, I need analogue of 'strstr' or 'strpos' in php.
I googled and searched this issue in stackoverflow but nothing found. Does someone know how to solve this problem?
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When do you use map vs flatMap in RxJava?
...onError handler for you.
Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.class);
} catch (FileNotFoundException e) {
// this exception is...
How to get the index of an element in an IEnumerable?
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That's actually very cute, +1! It involves extra objects, but they should be relatively cheap (GEN0), so not a huge problem. The == might need work?
– Marc Gravell♦
Aug 17 '09 at 21:48
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How to print matched regex pattern using awk?
...e for-loop to work if (a) "yyy" is a regular expression and not a straight string and (b) if that "yyy" does not match an entire field within a record.
– Johnsyweb
Apr 4 '11 at 9:28
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Detect backspace in empty UITextField
...return NO for select: and selectAll: actions when the text is equal to the string @"\u200B".
– ma11hew28
Oct 19 '11 at 21:56
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How to intercept all AJAX requests made by different JS libraries
... for other reasons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control met...
DateTime.ToString() format that can be used in a filename or extension?
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You can use this:
DateTime.Now.ToString("yyyy-dd-M--HH-mm-ss");
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Convert Python dictionary to JSON array
... means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTem...
Retrieving Property name from lambda expression
...berExpression;
if (member == null)
throw new ArgumentException(string.Format(
"Expression '{0}' refers to a method, not a property.",
propertyLambda.ToString()));
PropertyInfo propInfo = member.Member as PropertyInfo;
if (propInfo == null)
throw n...
What is the purpose of .PHONY in a Makefile?
...meaning: a) its behavior will not be altered if the file does exist and b) extra stat() will not be called.
Generally all targets in your Makefile which do not produce an output file with the same name as the target name should be PHONY. This typically includes all, install, clean, distclean, and s...